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	Comment fait on pour justifier que...		2002-09-30
		Lucie pose la question : Comment fait on pour justifier que p au carré est égal à 2 fois q au carré? Claude Tardif lui répond.
	Un polyedre ayant comme face 20 triangles		2000-08-02
		Sonia pose la question : J'aimerai savoir comment s'appelle un polyedre ayant comme face 20 triangles équilatéraux égaux. Chris Fisher lui répond.
	sec(pi/12)		2022-03-23
		Diana pose la question : Please help me find the exact value of the following trigonometric expression: sec(pi/12). Thanks! Harley Weston lui répond.
	UFO speed in MPH from nearest galaxy in one year		2021-05-22
		Joe pose la question : If the next closest galaxy is 15 quadrillion miles away and there are 8760 hours in one year; how fast would a UFO have to fly to travel from the next galaxy, in MPH in one year ? Google calculator gives this result: 1.7123288e+12 I don't understand what the "e+12" means. How is that pronounced, ex. trillion, quadrillion etc..? Harley lui répond.
	A 2.5 acre square		2021-01-09
		hannah pose la question : how many feet of fence needed to fence a square 2.5 acres?? Penny Nom lui répond.
	Golf for 28 golfers over 4 days		2020-11-14
		David pose la question : hi, I was wondering if you could help me with a golf draw, I have 28 players and wish to play a four round foursomes over 4 days I would like to minimize the amount of games that they play together. Harley Weston lui répond.
	gcd(a^2 + b^2, a + b)		2020-01-19
		Roger pose la question : I am stuck with this problem: find the gcd(a^2+b^2, a+b), where a & b are relatively prime integers not both zero. Penny Nom lui répond.
	Investigating y = (-2)^x		2020-01-13
		Gonzalo pose la question : This is not precisely a maths question, but it is formulated based on my maths curiosity. Fidgetting with my new graphic calculator, I started graphing things and had the idea to graph $y=(-2)^x.$ The result surprised me, and I thought a little bit about it, stored it on the back of my brain, and promised myself to look deeper into it someday. Harley Weston lui répond.
	Can one equation with two variables be solved algebraically?		2019-08-30
		Don pose la question : Can one equation with two variables be solved algebraically? Penny Nom lui répond.
	The perimeter of 200 acres		2019-06-14
		AARON pose la question : How many feet is the perimeter of 200 acres? Penny Nom lui répond.
	f(x + 2)		2019-02-26
		a student pose la question : How do you use f(x) = 3x+1 to determine the transformed function of f(x + 2)? Penny Nom lui répond.
	A triangle made from 12 matchsticks		2019-01-20
		Palesa pose la question : How many different types of triangles can be made with a perimeter of 12 matches? Penny Nom lui répond.
	Ten games with two possible outcomes for each game		2018-12-22
		Jin pose la question : I'm trying to make a list to view all the possibility. An example is if I have 2 games there's two outcomes (home/away) I will use number to represent the teams. 0-1,2-3 All possible out comes are 0-2,0-3,1-2,1-3 right? MY QUESTION If I have 10 games each have 2 outcomes (home/away) to win What is all possible outcome. 0-1,2-3,4-5,6-7,8-9,10-11,12-13,14-15,16-17,18-19 Could u please provide me with a list of all possible out comes Thanks you Penny Nom lui répond.
	Golf schedule for 12 players over 8 days		2018-09-03
		William pose la question : We have a golf trip with 12 golfers we are playing 8 rounds together......we want to mix the group up at best possible w/o too much overlap....... thoughts? the math is way over my head... even if we play the first 6 rounds with different partners, then the last 2 can be repeats ...or whatever the math works out Penny Nom lui répond.
	The sum and difference of two numbers		2018-08-30
		Saranya pose la question : Hi, The question is to find the numbers from sum and difference. The Sum = 14 and the difference = 2 I found in this web site some useful answers. but my kid is going second grade only. She don't know how to do a division or multiplication. So can you please explain on how to find the answer using only the Addition and Subtraction. Thanks in advance. Penny Nom lui répond.
	Solve when the variable is in the exponent		2018-03-15
		Dan pose la question : 50 x 2^n = 1,000,000 2^n = 20,000 what does n equal? Penny Nom lui répond.
	Graphing y = 2x - 1		2018-03-12
		Himanshu pose la question : Hi I Himanshu I having 1 doubt on 1 question this question of graph how to draw y=2x-1 Penny Nom lui répond.
	The intersection of a curve and a line		2018-03-08
		lola pose la question : find the set of values of constant C for which the line y=x+c intersects the curve y=2 square root x at, at two distinct points Penny Nom lui répond.
	Average price		2017-09-15
		Annette pose la question : If I sold a widget at $15.50 17.5% of the time and $16.50 88.5% of the time what is the algebraic expression for that. How do I arrive at an average price Penny Nom lui répond.
	Solve the equation completely cos 2x = 1		2017-06-08
		Lava pose la question : Solve the equation completely cos 2x = 1 Penny Nom lui répond.
	A 25 acre strip		2017-05-29
		Va pose la question : hello, can you pls help me....i have a property which has 300 ft width road frontage and my lot is 4700 ft deep to the back line of my property which i am told 27 acres. I want to only sell 25 acres...and go to the rear line with 4700 feet, but decrease the front width using the 300 ft measurement. how do i decrease the 300 ft width measurement by 2 acres? i am confused what the measurement would be..thank you....so to sum it i want to make 25 acres out of a measurement of 300 x 4700 ft long reducing the front measurement..thank you so much. Penny Nom lui répond.
	Rational numbers between -2 and -3		2017-04-08
		Medha pose la question : Find 12 rational numbers between-2 and -3 Penny Nom lui répond.
	Is the square root of 2 plus the square root of 2 irrational?		2017-03-29
		haya pose la question : how can i prove the the square root of 2 plus the square root of 2 is an irrational number? Penny Nom lui répond.
	Is a large integer divisible by 2^n?		2017-03-28
		Sahand pose la question : You are given number x that is very large (that large that it can't be divided by hand) can we find out that x is divisible by 2^n or not? Penny Nom lui répond.
	x^2 = -16		2016-12-12
		A student pose la question : x to the second power = -16 what number solves the equation? Penny Nom lui répond.
	A 2 million gallon tank		2016-09-28
		Kimberly pose la question : I have a tank that is shaped like a cylinder, and it has to hold 2 million gallons of water. There is a height limit of 30 ft. I know the equation is V=pi x r squared x h but I don't know if I need anything For the square foot of water. Penny Nom lui répond.
	Two pieces of rope		2016-05-21
		Render pose la question : Fred cuts a 12- inch piece of rope. Then he cuts a second piece of rope that is 3/2 longer than the first piece. Is the second piece shorter or longer than the first piece? Explain. Penny Nom lui répond.
	Solve 2^2x + 3(2^x) - 4 = 0		2016-04-27
		Lloyd pose la question : Solve the equation 2^2x + 3(2^x) - 4 = 0 Penny Nom lui répond.
	20 mangoes		2016-04-01
		Mussharat pose la question : I have 20 mangoes and have to put them in 5 boxes such that the numbers will be odd numbers.Also I can't cut or take the seed out from the mango . What should I do. It's really confusing. I'll be more than happy if you could help me. Penny Nom lui répond.
	Can you construct a regular 21-gon?		2016-03-08
		Peter pose la question : hi, i know that if i use a compass to draw a circle, i can use the same setting to mark 6 intervals along the circle circumference, how would i go about marking out 21 equally spaced points around the circumference? if there an online calculator i can us, or some other interesting trick? tia peter Robert Dawson lui répond.
	A 2 digit number		2016-02-08
		Lloyd pose la question : The sum of digits of a certain 2 digit number is 7. Reversing its digits increases the number by 9. Find the number Penny Nom lui répond.
	Linear equations in two variables		2015-12-13
		priya pose la question : I have problem in solving these equations please help me today itself very urgent: I)2x+y=y II)pie*x+y=9 Penny Nom lui répond.
	20 golfers playing a 20 week season		2015-12-07
		Jeff pose la question : We have 20 golfers playing a 20 week season. We play in foursomes. How best to set foursomes so everyone can play with every without playing with the same person multiple times? Victoria West lui répond.
	A schedule for 12 high school golf teams		2015-11-15
		Jason pose la question : I have 12 high school golf teams (A - L). There will be 4 games each week for 4 weeks. For each game, 3 teams play at a time (A vs B vs C). I would like it where no team plays the same team twice. Week four is my issue as I seem to always have a team or two playing the same team again. Is it possible to have each team play each other only once? Victoria West lui répond.
	A six team league to play a 20 game schedule		2015-10-19
		Kelly pose la question : Hi there. Some of your posts are close, but my problem is evening out the home and away games. We have 6 teams in our league and we are going to play a 20 game schedule, playing everyone 4 times. We will play Fridays and Saturdays, each weekend. Of course the ideal would be to have each team have a home and an away game each weekend, but I realize that is impossible, but I would like it as close as possible. Any help would be much appreciated!! We also were considering opening with a home and away - Friday then Saturday with the same teams. Then carrying on with playing everyone else and then possibly finishing up with the same home and home Victoria West lui répond.
	32 golfers playing 6 rounds		2015-09-19
		scott pose la question : i am looking for a schedule for 32 golfers to play 6 rounds and never play with the same person twice. I made one for 28 golfers but i am struggling with 32. Victoria West lui répond.
	20 golfers for 6 days		2015-09-11
		Dave pose la question : have 20 golfers for 6 days. Each player should pair with 18 golfers used a system on your website which is good for 5 days, but cannot get the 6th day. Thanks for your help Dave Victoria West lui répond.
	Factor x^2 + y^2		2015-08-26
		Jerome pose la question : Factor: x^2+y^2 Penny Nom lui répond.
	A two digit number		2015-08-21
		Cameron pose la question : Write the 2 digit number that matches the clues. My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits. My number is ________. Penny Nom lui répond.
	20 golfers playing four rounds		2015-08-17
		Paul pose la question : I have a party of 20 golfers playing four rounds in fourballs. I realise that everyone will have 7 players that they do not play with, however I want to ensure that no one plays with the same person twice and that the Captain plays with the 12 players of his choice. Victoria West lui répond.
	Golf for 12 with a proviso		2015-07-07
		Ken pose la question : I hope you can help me. I'm trying to put together a draw for 12 players in 3 groups over 4 days. One proviso, 2 players must play together in each round because they require the use of a golf cart. We are due to play in September this year. Thanking you in advance for any assistance you can give. Victoria West lui répond.
	Is 22/7 is an irrational number?		2015-06-07
		Sayak pose la question : Is 22/7 is an irrational number Penny Nom lui répond.
	A two digit number		2015-06-05
		Madison pose la question : Trini took some photos. The number of photos she took is a two digit number. The sum of the digits is 11. The tens digit is 3 more than the ones digit. How many photos did Trini take? Penny Nom lui répond.
	The game of 24		2015-03-28
		Suzanne pose la question : I love this game! Cannot figure out 4,9,10,16 to equal 24? Help! Penny Nom and Claude Tardif lui répond.
	8 golfers playing in 2x2 balls in 5 games		2015-03-18
		Brian pose la question : We are 8 golfers who will be playing in 2x2 balls in 5 games. is there a formula to minimize the chances of playing with a partner or opponent too often please ? Victoria West lui répond.
	The game of 24		2015-01-21
		aaron pose la question : 24 game whants me to use 11 14 5 and 9 to make 24 allowed (+ - dividing and multiplying) Penny Nom lui répond.
	Scheduling 12 for lunch		2015-01-05
		Sabrina pose la question : I have 12 staff members that need to have lunch together 1 time each week. I am trying to pair them in a way that we each have the same amount of lunches in the same amount of weeks. Please Help! Thanks! Victoria West lui répond.
	4 rounds of golf as three foursomes		2014-08-18
		Christopher pose la question : For our golf trip, we will be playing 4 rounds of golf as three foursomes. We would like to have each person play with everyone at least once. Is this possible? Victoria West lui répond.
	Solve sin3x = cos2x		2014-07-14
		Emanuel pose la question : If sin3x=cos2x, find the value of x when x<0<90' Penny Nom lui répond.
	Sharing in the ratio of of 2:3:5		2014-07-11
		Muzdalfah pose la question : Amount of Tsh 12,000 is to be shared among John,Hidaya and sabrina in the ratio of of 2:3:5 respectivly.How will each get? Penny Nom lui répond.
	12 golfers		2014-06-23
		Derek pose la question : I have a golf group that is set up as follows.12 players broken into 2 teams of 6.We play as a 4 ball ie 2 from each group.I am looking for a formular to have the 2 players from each group not play with each other again & also both of the 2 in each group not play with others in the other group more than once.I don't believe it is possible,so will accept as little duplication as possible-many thanks-Derek Victoria West lui répond.
	The ratio of 1:1:2		2014-06-20
		FREDERICK pose la question : 3 girls shared some hair ribbons in the ratio of 1:1:2 what is the total number of hair ribbons if the third girl got 14 ribbons. prnny lui répond.
	20 teams and 10 competition stations		2014-06-04
		Joel pose la question : I have 20 teams. There are 10 competition stations. Each station will accommodate exactly 2 teams to compete with each other at a time. Each of the 20 teams needs to compete at each of the 10 stations exactly one time. Here's the catch I cannot solve: how to schedule it so that each team plays EVERY OTHER TEAM once and only once, while never repeating a station. Victoria West lui répond.
	A schedule for 2 teams of 10		2014-05-07
		John pose la question : How can I set up a schedule for 2 teams of 10 on a team to play each individually against each other over a 10 day span at 10 different course with 10 different start times each day. I was looking to not repeat any competition. As an example, Team A would consist of players 1-10, Team B would consist of players 11-20. I would want to have 10 start times a day for 10 days where a member of team A plays a member of team B each day without repeating any matches and any of the same courses and not repeating any of the same start times. Any help in this would be GREATLY appreciated!!!! Victoria West lui répond.
	2 teams of six playing each other 4 times		2014-05-01
		Steve pose la question : I have 2 teams of six (Team A & B)- playing each other 4 times. Is it possible to have a player from Team A play with a different partner from Team A for each of the 4 rounds, and likewise for Team B. Whilst no player from either team plays an opponent more than twice during the 4 rounds? Victoria West lui répond.
	Golf with 3 teams of 20		2014-04-21
		Joshua pose la question : Thank in advance for this great service Golf - new - 3 teams of 20 - to create 20 unique groups of 3 For example use 3 teams of 3 1a 2a 3a 1b 2b 3b 1c 2c 3c So groups are 1a 1b 1c 2a 2b 2c 3a 3b 3c Groups can only have one a, one and one c - and that combo should be unique Victoria West lui répond.
	A 22 team golf league		2014-04-21
		Terry pose la question : We have a team league at our local golf course. We have 22 teams, we would like it so that each team plays the other team only once. I have tried the scenario. 1,21;2,20;3,19;4,18;5,17;6,16;7,15;8,14;9,13;10,11;12,X X+1=1 scenario 2, 1;3,21;4,20,5,19,6,18;7,17;8,16;9,15;10,14;11,13;1,X using formula from other post in your forums. I can get all the possible playing arrangements. The big quandary is setting up the schedule so that each week, each team would start on a different hole. I can get the first 11 weeks scheduled very easily, it is just trying to get the last 11 weeks scheduled? Any help would be greatly appreciated. Victoria West lui répond.
	Golf League Schedule for 15 weeks and three flights		2014-04-21
		bigdog pose la question : I need help setting up a 12 team (3 flights with 3 teams in each flight) 15 week league play schedule. Each team must play teams in there perspective flight twice during the 15 week season. Victoria West lui répond.
	A golf league with 20 players over 17 weeks		2014-04-12
		Chris pose la question : I have a golf league 20 players and 17 weeks. We don't have teams so I just want to have everyone to play with each other the about same number of time and, hopefully, randomly distributed throughout the season. We have had situations in the past where two people play together for three weeks in a row and then not anymore for the rest of the season. From other posts, I see how to schedule the first 5 weeks without repeats but I can’t figure out an algorithm to for the rest of the season. Thanks! Victoria West lui répond.
	Golf with 20 players and one compulsory bye		2014-03-31
		Wayne pose la question : I'm trying to run an event with 20 players, I would like if at all possible to limit amount of people playing repetitively together. (Mix it up and play with different people). Here's the conditions. I want groups of 4 over 5 rounds. On each round I want 4 players to drop out and have a bye (to help run the game) but I dont want them helping a group they've played in if I can help it. Is this possible ? Victoria West lui répond.
	12 golfers, 6 rounds		2014-03-27
		Bill pose la question : I have a group of 12 golfers playing 6 rounds of golf. I am looking for a pairings schedule that allows each golfer to play at least one round in a foursome with each of the other eleven players. Can you provide me with a solution? Victoria West lui répond.
	12 golfers, 24 weeks		2014-03-27
		George pose la question : I have 12 golfers and want to set up a season schedule that will avoid duplication of playing partners as much as possible. The saeson is 24 weeks long. Do you have a formula? Victoria West lui répond.
	24 golfers playing 3 rounds		2014-03-10
		Jim pose la question : How can I rotate 24 golfers playing 3 rounds of golf so that none of them play with the same person twice. Victoria West lui répond.
	A schedule for 6 teams over 12 weeks		2014-03-09
		Paul pose la question : So I have a question. I noticed you came up with ways to create schedules and we are having a really hard time making our lineup correctly. Basically we have 6 teams that will play over a 12 week period every Monday night. The time slots are 1 hr each playing at 6, 7 and 8. We would like each team to play 3 games at each time slot over the 12 weeks. Is this something that can actually be accomplished? Thanks so much for your help! Eric Venables lui répond.
	The graph of f(x)=x^2-4		2014-02-07
		Allison pose la question : Graph f(x)=x^2-4 and give the five point of the x/y intercepts. Penny Nom lui répond.
	Counting in base five using words not digits		2014-01-25
		Randy pose la question : We all know how to count (in the base 10/decimal system) using words not numbers. For example: one, two, three, four, five, six, seven, eight, etc. However, in base 5 (for example) how would you count (in words). For sure - in base 5 the number 1 could be "one", the number 2 could be "two". However there seems to be no words to describe base 5 numbers beyond 0,1,2,3 and 4 (and perhaps 10). In base 5 the number 10 is not ten. Rather it is "five". In base 5 what word(s) describe numbers larger than 10? What words are used for 11, 12, 13, 14, 20, 21, 22, 23, 24, 30, 44,...etc. Also, consider a man and woman were married in the Gregorian year 1964. If they had an anniversary tomorrow - how long would you say they've been married in base 5 speak? In numbers their Golden Anniversary would note 200 years of marriage in base 5. How would you articulate their years together in base 5? I don't recall seeing verbiage to represent numbers in any system other than the decimal/base 10 system. Do such things exist for other systems? Harley Weston lui répond.
	A schedule for 32 golfers		2013-11-22
		Scott pose la question : I would like a schedule for 32 guys playing in 8 foursomes for 13 week. I would like it so that no one plays in the same foursome more than once or twice. Is this possible to do??? Can you let me know at bogeysm@yahoo.com if you can do it and if you will do it. Victoria West lui répond.
	Two teams of 4 playing 4 rounds of golf		2013-09-29
		Tom pose la question : We would like to play a ryder cup format with two teams of 4 playing 4 rounds of golf. Three of the rounds would be pairs playing each other and one round would be singles. How can we set up the foursomes so we balance the number of times we play with every other golfer. Victoria West lui répond.
	A schedule for 2, 7 team divisions		2013-09-24
		Sampson pose la question : I'm looking to set up a weekly schedule within a 22 week segment of 2 7 team divisions where every team plays every other team in their divison 3 times and have 4 cross over games with 4 of the other 7 teams in the other division. I've yet to figure this out. Thanks for your time. Victoria West lui répond.
	Two, 2-digit numbers		2013-09-24
		Tony pose la question : Write a problem that has two 2-digit numbers. solve your problem. Penny Nom lui répond.
	A two digit number		2013-09-04
		JEFFERSON pose la question : The sum of the digits is 6. When the digits are interchange, the new number represented is 3 time the 10 digit of the original number. Find the original number? Penny Nom lui répond.
	A system of equations		2013-08-13
		Nina pose la question : 3x-2y=8 -x+3y=5 What is the solution of the system of equations Penny Nom lui répond.
	A golf tournament for 12 people		2013-08-01
		Brad pose la question : I've looked all over the web for a solution to this (including searching the archives here) to no avail. We're doing a golf tournament with twelve people. Each person has a "handicap" that demonstrates their skill level. We have these numbers for each of the 12 players. We are trying to figure out how to schedule two rounds of golf with the most balance possible. - We are playing two "real" rounds of golf (18 holes). There are four people per group. - We want to split each round into two 9 hole games, which gives us a total of 4 games - Halfway through (after 9 holes), you switch partners within the foursome that you're playing in. - We want everyone to play with 4 unique different teammates So say you start the first 18 hole round as a group of Players 1, 2, 3, and 4. Players 1 and 2 are a team, and players 3 and 4 are a team. After 9 holes, Player 1 would either be paired up with Player 3 or 4, and the other two players would pair up as well. Then the next day we will mix up the foursomes and do the same thing. In terms of just pure scheduling this is simple. But I'm trying to figure out how to best balance the handicaps (simple average of each team's two handicaps works here). Assuming I'll need some sort of program or spreadsheet. Any help or even a push in the right direction would be a tremendous help. Thanks in advance to anyone who wants to give this a shot. Victoria West lui répond.
	21 golfers		2013-05-27
		Linda pose la question : A database search for a question on how to schedule 20 golfers in groups of 4 was very helpful ( Mona's answer referred to by C. Fisher 9-3-2008) I'm very glad I found this sight. Our problem is we will have 21 golfers in the second half of the season. Is it possible to figure out that schedule? I assume we will have to include byes, but I'm not sure how to go about doing that. Thank you. Victoria West lui répond.
	A 2-digit number		2013-05-13
		A teacher pose la question : Find a “2-digit number” where the sum of the 1st digit (on the Left) and the square of the 2nd digit equal the same number. Lorraine Dame, Harley Weston lui répond.
	20 golfers over 5 days		2013-05-09
		Russ pose la question : we have 20 golfers over 5 days, with 4 people per foursome which makes 5 groups each day. I would like to each person to play with everyone at least once if possible. Do you have a formula for this? Victoria West lui répond.
	25%		2013-03-28
		aaliyah pose la question : what is the raw data of 25% Penny Nom lui répond.
	Multiplication in base two		2013-02-01
		Michael pose la question : multiply in the indicated base 110two*11two Penny Nom lui répond.
	Plotting y=f(x)+2		2013-01-21
		Gavin pose la question : how would you plot y=f(x)+2 Penny Nom lui répond.
	Some 6 digit numbers		2012-10-23
		Mason pose la question : How many different 6 digit numbers can you make using the digits 1 ,2 5, 6, 7, and 9? How many of these six-digit numbers are divisible by 6? Penny Nom lui répond.
	A 2 acre plot		2012-10-22
		bob pose la question : If a plot of land on the south side is 290.16 feet wide, how many feet on the west and east side to the north to make a 2 acre plot? Thank You Bob Penny Nom lui répond.
	Golf for 12		2012-09-10
		John pose la question : To have 12 players in groups of 4 playing in 4 games with different people each day Victoria West lui répond.
	Adding more than 2 fractions		2012-09-10
		Anonymous pose la question : How do you add or subtract more than 2 integer fractions? OK, here is an example. -5/6 + 7/4 + 13/8 Please tell me the steps. Thanks- grade 9 student Robert Dawson and Penny Nom lui répond.
	Golf for 20, two teams of 10		2012-08-30
		Mark pose la question : Hi I have to teams of 10 people playing Ryder cup format(against each other) Can I have all 20 people playing with someone different over 3rounds of golf while remaining on there respective team I.e. players 1 to 10 must team up with a player of that group against a pair for players 11 to 20 I hope you can solve this for me Thanks a bunch Mark Victoria West lui répond.
	12 golfers, 4 rounds		2012-08-29
		Paul pose la question : We have 12 golfers who will play four rounds of golf - how can we organize the foursomes so that each player has the most exposure to the other 11 players? Victoria West lui répond.
	A 2-digit number		2012-08-23
		patty pose la question : Write the 2-digit number that matches the clues. My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits. My number is Penny Nom lui répond.
	Drawing cards from a standard 52-card deck		2012-07-07
		Fatima pose la question : My daughter has to complete the project in probability chapter.Her gave her a complete probability chapter and told her to do all the problems.Out of them some questions I am not getting The question is like this please give me a detailed explanation. When drawing cards without replacement from a standard 52-card deck, find the maximum number of cards you could possibly draw and still get a. fewer than three black cards b. fewer than six spades c. fewer than four face cards d.fewer than two kings Penny Nom lui répond.
	A cylinder is to be filled with peas.		2012-06-12
		Silje pose la question : Hi! How can I solve the following question without the use of a calculator? "A cylinder is to be filled with peas. It is done like this: At 12:00 o'clock you put 1 pea in, at 12:01 you put 2 peas in, at 12:02 you put 4 peas in, at 12:03 you put 8 peas in, and so on. This continues until 14:00 o'clock (two hours later), when the last peas are put in and the cylinder is full. At what time is the cylinder half full?" Robert Dawson lui répond.
	29 golfers		2012-06-04
		robert pose la question : i have 29 golfers and have to make 8 teams for a golf scramble there will be 5 teams of 4 and 3 teams of 3 what is the fairest way to make up the teams? Victoria West lui répond.
	Golf for 12		2012-04-20
		glenn pose la question : need to schedule 12 players for a 20 week season Victoria West lui répond.
	Golf for 12		2012-04-20
		Bram pose la question : We are heading on a golf trip with 12 guys, playing 6 rounds. Can you please provide the formula whcih which have the least duplication. Thanks in advance, Bram Victoria West lui répond.
	Golf for 12		2012-04-18
		Brent pose la question : I have a golf group that is set up as follows: 12 players, broken into 2 teams of 6. I am looking for a formula to have one player from team A play against one player for team B each round, not repeat the match, and ride with as little duplication as possible. I know that it is not statistically possible with these numbers and will have at least one round that has duplication. Robert Dawson lui répond.
	A golf league with 2 man teams		2012-04-11
		Cosmo pose la question : wanting to set up a golf league with 2 man teams. There are 14 A players and 14 B players.We want each A player to team with each B player once and each A player to play against each other A player once.Is this possible Victoria West lui répond.
	Golf for 28		2012-04-10
		EARL pose la question : HI, I HAVE 28 GOLFERS AND I NEED A SCHEDULE FOR 5 DIFFERENT DAYS THERE WILL BE 7 GROUPS OF 4 PLAYERS EACH DAY. ALL PLAYERS WOULD LIKE TO PLAY WITH ONE ANOTHER ONCE AND NOT PLAY WITH EACH MORE THAN ONCE IF POSSIBLE OR LIMIT THE TIMES A GOLFER PLAYS WITH ANOTHER TO A MINIMUM IF POSSIBLE. (PLEASE SEND AN EXAMPLE OF THE SCHEDULING OF THE GROUPS FOR THE TEE OFF ORDER) THANKS FOR ANY SOLUTIONS YOU CAN PROVIDE. EARL Robert Dawson lui répond.
	240 acres		2012-02-17
		jon pose la question : How many linear feet are in a 240 acre rectangle piece of property Harley Weston lui répond.
	4 x 2		2011-08-30
		Lucjan pose la question : how to sketch a diagram that shows 4x2 expression? Penny Nom lui répond.
	25 billion dollars		2011-08-26
		Bill pose la question : If you have $25billion dollars, what would the value of this amount become if you inflated it at 4% per year for 55 years?=C2=A0 My TVM calculator will not go this high. Penny Nom lui répond.
	A two digit number		2011-08-26
		Felicia pose la question : Write the 2-digit number that matches the clues. My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits Penny Nom lui répond.
	Golf for 12		2011-07-07
		Jim pose la question : I have a golf trip scheduled with a total of 12 guys. We are playing three rounds of golf. For round 1 Players A B C D must play together. Is there a formula that would allow me to set up the other 8 foursomes with no repeats or minimal repeats? Thanks. Victoria West lui répond.
	A rational number		2011-05-17
		owais pose la question : according to definition of irrational number "a number which cannot be expressed in p/q form is called irrational number" square root of 2 is a irrational number but if i round off the digit correct to two decimal places so it becomes 1.41 and we can easily convert into p/q form so it is a rational number ??? Penny Nom lui répond.
	The game of 24		2011-05-06
		shaylin pose la question : how do you use 3,9,7,9 once in any operation equal to 24? Penny Nom lui répond.
	20 acres, 12 inches deep		2011-02-24
		David pose la question : How many linear yards of material is needed for a square plot of 20 acres by 12 inches deep? Penny Nom lui répond.
	1/0 and 2/0		2011-02-11
		Dixit pose la question : How are the infinite number obtained by dividing 1 / 0 and 2 / 0 are different? Penny Nom lui répond.
	22 people playing 6 rounds of golf		2011-01-31
		angi pose la question : I'm having a problem scheduling matches for a golf vacation. We have 22 people playing 6 rounds of golf. We know that we will need to have two 3 man pairings each day. Is there a way to make sure that is not a great deal of duplication. I did see how Penny answered a question in 2005 with the circles. Is there a way mathematically to do this or through excel? Victoria West lui répond.
	The game of 24		2010-10-26
		gabrielle pose la question : What is the answer using the numbers 0 0 0 0 (trig and calc are allowed, all math is allowed) in the game 24? Claude Tardif lui répond.
	a^(2^n)		2010-10-22
		Tim pose la question : I am trying to understand a^(2^n). The hint they give is a^(2^(n+1)) = (a^(2^n))^2 I am writing a program that will solve a^(2^n) recursively but need to understand the power before I begin. I am currently pursuing writing (a) x (a^(2^(n-1))) where the (a^(2^(n-1))) would be the recursive function call a n approaches 0. Once n is 0, the result would be multiplied by a two more times. Anyway, explaining these powers would be appreciated. I will most likely complete the program before the answer but I want to understand the logic of these powers. Thank you, Tim Stephen La Rocque lui répond.
	What is -2^2?		2010-08-25
		alex pose la question : I know that (-2)^2 is 4 but what is -2^2? Robert Dawson and Penny Nom lui répond.
	12 coins		2010-07-07
		Eden pose la question : We have 12 coins same in size and shape and also weight. But among these, one coin which has same size and shape, but not in weight and we can't know that this coin was lighter or heavier. We must decide which coin was lighter or heavier among these 12 coins in 4 times of weighting with scale. Stephen La Rocque and Tyler Wood lui répond.
	The game of 24		2010-02-20
		haley pose la question : hello.... we have these very hard make 24 stumpers. i am stuck on one.... how can you make 24 using the numbers 7-7-13-18?? thanks! Claude Tardif lui répond.
	The difference of the two numbers		2010-02-15
		Steve pose la question : The difference of the two numbers 'abcdef ' and ' fdebca ' is divisible by 271. prove that b = d and c = e. Claude Tardif lui répond.
	1^3 + 2^3 + 3^3 +4^3 ... n^3 = ?		2010-01-29
		ireimaima pose la question : Hi.. Can u please help me with this question.. I find that when i test eg: n=2 for n (n+1) /4, it seems that it does not giving me the right answer of 1^3 + 2^3 = 9 but 3/2... i'm confuse..can u please help me..thanks so much Prove that: 1^3 + 2^3 + 3^3 +4^3………………………………..n^3 = n (n+1) /4 Penny Nom lui répond.
	A cylinder is cut at an angle of 20 degrees		2010-01-25
		sanjay pose la question : If I have a cylinder with 40mm diameter and I will cut it at an angle 20 degrees so what would be the increased radius or dia.??? of the cylinder Penny Nom lui répond.
	Two percent		2009-12-20
		Brian pose la question : Hello I am having a problem figuring out something. Someone told me that .98 is the same as 2% how is this possible, how did they figure this out here is my example 929.79 x .98 = 911.19, is the same as 929.79 x 2% = 18.59, now minus the 18.59 and you will end up with 911.19, how did they convert 2% to .98, please help thgis is driving me nuts as I am not very good at math. Thank you Warmest Regards Brian Penny Nom lui répond.
	Two digit numbers		2009-12-10
		Jim pose la question : Can you tell me how many 2 digit numbers can be created from the following: 1118539 Penny Nom lui répond.
	Game of 24		2009-12-09
		Tony pose la question : Checked out all of the previous inquiries into the crazed game, and found none with these particular numbers: 1, 4, 6, 7. I've tried every method I can think of, please Help! Tks. Robert Dawson, Penny Nom and Claude tardif lui répond.
	The graph of f(x-2)		2009-11-19
		Kapilan pose la question : Hi please answer the following question: Given the function f(x)=x^2 sketch the graph of f(x-2) Robert Dawson lui répond.
	Integration of cos (x^2) dx		2009-10-12
		Venkat pose la question : How do you evaluate the integration of cos (x^2) dx ? Harley Weston lui répond.
	24 golfers, 6 days		2009-10-03
		patrick pose la question : i need a pairing schedule for 24 golfers for six days playing in foursomes. Please Victoria West lui répond.
	Game of 24		2009-10-02
		trami pose la question : game of 24 by using -4 -7 -7 1? Claude Tardif lui répond.
	24 golfers		2009-10-01
		Peter pose la question : I am working on a 19 week golf schedule with 24 golfers, and I would like to know how to make up six foursomes each week without having a player paired with the same golfers. Victoria West lui répond.
	Game of 24		2009-09-24
		vanessa pose la question : Using the following numbers 13,6,6, and 12 to equal 24. Using 5th grade math Penny Nom and Claude Tardif lui répond.
	24 golfers: 4 days		2009-09-21
		Steven pose la question : We have 24 golfers (6 A's, 6 B's, 6 C's & 6 D's) playing 4 days. Each day a foursome consist of an A, a B, a C & a D player. Can you give me a pairing list so that no two golfers will play on the same foursome for the 4 days? Chris Fisher and Victoria West lui répond.
	The game of 24		2009-08-27
		ANITA pose la question : Help I'm suppose to be a math expert, yet I can not yield 24 from the numbers 8,4,9,9, using each only once. HELP Penny Nom lui répond.
	The game of 24		2009-08-26
		melvi pose la question : how can you get the numbner 24 but only useing the numbers 7,5,4,5 Penny Nom lui répond.
	Fact families		2009-08-24
		Camasha pose la question : I am trying to help my daughter with fact families. I understand the premise from your previous explanation on the site . Generally when applying addition and subtraction their are two add and two subtraction utilizing all three numbers. However what do you do when you have a series like like 9, 9, 18 Penny Nom lui répond.
	root 2 is irrational		2009-07-31
		prateet pose la question : prove that root2 is an irrational number. Robert Dawson lui répond.
	A golf league with 12 players		2009-07-17
		Jane pose la question : My weekly golf league has 12 players in 4 threesomes. How many weeks would it take to play everyone once and not have too many duplications? What would be the schedule each week? Thanks Victoria West lui répond.
	Twelve golfers		2009-06-26
		Fred pose la question : Hello- There are twelve golfers in 3 foursomes for three days. Is there a combination of four man foursomes that allow for no duplicates? In other words, is there a formula to insure the greatest amount of variety in the foursomes. Looking at it math like you have 1,2,3,4,5,6,7,8,9,10,11,12 grouped into four numbers each for three days. So if your have the first day 1,2,3,4 in one group, 5,6,7,8 in the second and 9,10,11,12 in the third what can you do for the next two days to have the fewest duplicates or have the greatest variety in the foursomes? Thanks Karen Meagher and Victoria West lui répond.
	Game of 24		2009-05-22
		Sam pose la question : Using the numbers 7, 3, 2, and 2, how do you get the number 24? Claude Tardif and Harley Weston lui répond.
	28 teams 14 lanes , 9 weeks no repeats		2009-05-19
		paul pose la question : 28 teams 14 lanes , 9 weeks no repeats Karen Meagher lui répond.
	Game of 24		2009-05-02
		Barbara pose la question : using the numbers 1,3 7 and 9 only once how do you get the answer of 24 Claude Tardif lui répond.
	28 golfers		2009-04-18
		DON pose la question : HI, I HAVE 28 GOLFERS AND I NEED A SCHEDULE FOR 24 DIFFERENT DAYS THERE WILL BE 7 GROUPS OF 4 PLAYERS EACH DAY. ALL PLAYERS WOULD LIKE TO PLAY WITH ONE ANOTHER AS EVEN AS POSSIBLE (SAY 2 TO 4 TIMES EACH OVER THE 24 DAYS)...THANKS DON Victoria West lui répond.
	Game of 24		2009-04-08
		Joe pose la question : How do you get 24 using 6,9,10,10 once. Its called the 24 game. Joe Harley Weston lui répond.
	Game of 24		2009-04-05
		Ramona pose la question : math 24 using 16, 9, 20, 7 Penny Nom lui répond.
	0123456789		2009-03-25
		Dr. pose la question : Many years ago I discovered that there are 33 numbers which, when multiplied by 0123456789, simply rearrange the digits. Surprisingly (to me at least) is the fact that the digits of all of those 33 numbers add up to one of the 6 "cardinal" numbers 1, 2, 4, 5, 7, and 8. For example 6 + 2 = 8 and 62 X 0123456789 = 7654320918 etc. Another interesting (to me) fact is that only the cardinal numbers 1, 2, 4, 5, 7, and 8 rearrange the digits in the number 9876543210. My question is: "Is this known to anyone but me and the people I have told?" Robert Dawson lui répond.
	The game of 24		2009-03-01
		Jeff pose la question : My son in the 5th grade was given a problem for extra credit and could use parents help. He was given the numbers 21, 13, 9, 6 and asked to use each number only once by +, -, /, x the numbers in any order to obtain an answer of 24. Harley Weston lui répond.
	Collecting an army		2009-02-25
		bevaz pose la question : Question from bevaz, a student: A ruler orders his chamberlain to collect an army from 30 houses. The servant goes to the first house alone and collects one man. At each house after that he takes the same number of men as he has already collected, so at the second house he goes with one other and so on. How many men did he collect in all? Penny Nom lui répond.
	Cantor's cardinality		2009-02-16
		Justin pose la question : Hello, I was just wondering why the infinity from real numbers is smaller than Beth Two in the context of Cantor's cardinality set theory? Justin Robert Dawson lui répond.
	The substitution method		2009-02-06
		amber pose la question : Pleasse help me with this problem x+y=-2 y-2x=1 Penny Nom lui répond.
	12 golfers		2009-02-04
		david pose la question : 12 golfers playing in 3 four balls over five rounds. can everyone play with everyone else at least once. Victoria West lui répond.
	20 of us golf together in groups of 4		2009-01-24
		D. pose la question : Every Sunday, 20 of us golf together in groups of 4. I am looking for a way that each of us play with 3 other people each week and ultimately get to play in groups that are unique. For instance if week 1, I play with 2, 3, 4 and then the next week I play with 5, 6, 7, and the 3rd week I play with 8, 9, 10 and so forth until I have played with everyone. Everbody else should be doing the same thing. Can you give me a schedule for this and how many weeks would it take for all of us to accomplish this where we all play with different combinations of people. (We should not play with the same person very often or even the same pairs of people but everyone should play with everybody else) I hope this makes sense........whew and thanks! Victoria West lui répond.
	A 28 week golf schedule		2009-01-17
		Don pose la question : You have a 12 man golf schedule playing 8 weeks. Can you go further and make it a 28 week schedule. 3 foursomes. any help would be greatly appreciated. Victoria West lui répond.
	24 golfers playing golf for 9 rounds		2008-12-23
		Duane pose la question : Got 24 golfers playing golf for 9 rounds. Any formula where everyone can play with everyone else at least once. We are playing 4somes only. Thanks, Duane Victoria West lui répond.
	Golf - 24 guys 4-somes 6 rounds		2008-12-07
		Duane pose la question : Thank you. What about 24 guys 4-somes 6 rounds everyone playing with each other at least once. Thanks again. Duane Victoria West lui répond.
	Combinations of Golf Groups		2008-12-05
		Duane pose la question : We have a golf outing coming up with 25 golfers playing 5 rounds in 5-somes. Is there a formula to figure out where everyone can play with different people each round? Thanks, Duane Victoria West lui répond.
	A log base 2 problem		2008-11-26
		dave pose la question : solve for x (log base 2 of x) - (log base 2 of (x-2)) = 3 Penny Nom lui répond.
	The game of 24		2008-11-24
		Davey pose la question : this has us all stumped. 5 ,5 ,7 ,and9 = 24. Oh may you assist in ending our brain pain Penny Nom lui répond.
	Sec(2x)		2008-11-23
		Evan pose la question : Prove that this is an identity... sec2x = sec^2x / 2 - sec^2x Harley Weston lui répond.
	Arrays of 72 marbles		2008-11-13
		natalie pose la question : draw four possible arrays for 72 marbles Penny Nom lui répond.
	Filling a tank with 2 taps		2008-11-10
		Murray pose la question : 2 taps turned on together can fill a tank in 15 minutes. By themselves, one takes 16 minutes longer than the other to fill the tank.Find the time taken to fill the tank by each tap on it's own. Penny Nom and Victoria West lui répond.
	Bags of pennies		2008-10-11
		paul pose la question : jenny divided 15 pennies among 4 money bags.she could then pay any amount from 1p to 15p just by giving bags.how many pennies did jenny put in each bag? Penny Nom and Victoria West lui répond.
	The nth term of a sequence		2008-09-13
		lavett pose la question : what is the Nth term in the sequence when the sequence is 2,4,8,16... and the term numbers are 1,2,3,4... Stephen La Rocque lui répond.
	Aboriginal number groupings		2008-09-04
		Barbara pose la question : Our current place value system is based on the notion of 10s. Did Aborginal people use a similar system or did they group numbers differently? Harley Weston lui répond.
	20 golfers playing 5 rounds in 4-somes		2008-09-03
		joe pose la question : 20 golfers playing 5 rounds in 4-somes. 5 players in group A play with all 15 golfers in groups B,C,D but not with any in their own group (A). 5 players in group B play with all 15 players in groups A,C,D but not with any in their own group (B) and so on. So each 4-some has an A,B,C,&D player each of the 5 rounds. Chris Fisher lui répond.
	Four weights		2008-08-25
		Darla pose la question : A balance had known weights of 1/2 lb, 1/4 lb, 1/8 lb, and 1 oz. Edna's object weighted 2 oz. more than Paul's. Each used 3 known weights to weight his or her object. which know weights did each use? Penny Nom lui répond.
	The game of 24		2008-08-20
		Tasha pose la question : I have four numbers a 6, a 6 a 5 and a 3, i can add subtract divide or multiply these numbers in anyway but i have to use all of them and call only use them once i have to come up with a total of 24 Penny Nom lui répond.
	Does the sequence 1 2 4 8 16 32 etc have a name?		2008-07-17
		Richard pose la question : Just an idle thought really. Does the simple sequence 1 2 4 8 16 32 etc have a name? Victoria West lui répond.
	A golf tournament		2008-06-24
		Roland pose la question : We have a golf tournament, 12 players, three rounds. We want to pair so that we have pairings with as few duplications as possible. Janice Cotcher lui répond.
	A number that ends with 2		2008-06-23
		Jim pose la question : A number ends in 2. If you were to place that digit at the beginning of the number, the resulting number will be twice the original. Find the smallest such number. Stephen La Rocque lui répond.
	The game of 24		2008-04-10
		sherwin pose la question : ok is like this you must get 24 using 1,5,5,5 but you can only use +, - , / and * Claude Tardif lui répond.
	The game of 24		2008-04-01
		Frank pose la question : Hi, my name is Frank. I have been really stumped on this 24-card. It has the 4 # of 21,3,5,10. If you have any suggestions, I would be grateful! Claude Tardif lui répond.
	Twenty golfers		2008-03-16
		john pose la question : I have a group of 20 golfers. We plan on playing 6 rounds of golf in 4 days. I would like to have the most possible combinations of players without each player playing with anyone if possible, in the 4 days of golf Victoria West lui répond.
	The game of 24		2008-02-06
		Jameeka pose la question : What is a solution for 10,11,9 and 2 (Using fractions) in the game 24 square. Penny Nom lui répond.
	A 24 hour clock		2008-01-31
		CARLA pose la question : at a certain time i looked at a 24-hour digital clock and noticed some things about the time. (1 The number in the hours section plus the number in the minutes section makes 60.(2 One of the digits in the minutes section is the square root of the other digit in the minutes section.(3 The sum of the digits in the minutes section is the number in the hours section reversed. what is the time? Penny Nom lui répond.
	1/2, 1/2, 3/8, 1/4, 5/32, 3/32, 7/128		2008-01-22
		Neil pose la question : Find the next two terms in the following number sequence 1/2, 1/2, 3/8, 1/4, 5/32, 3/32, 7/128 Find a general rule for the nth term of the sequence Penny Nom lui répond.
	The game of 24		2008-01-17
		Raina pose la question : I have four numbers 3 3 9 5 that need to equal 24 using addition subtraction multipliction and division and I'm so stuck. Chris Langdon, Stephen La Rocque and Claude Tardif lui répond.
	For how many positive integers n is n^2 + 96 is a perfect square?		2007-12-18
		Rajesh pose la question : For how many positive integers n is n^2 + 96 is a perfect square ? Penny Nom lui répond.
	sin^2x=1/2(1-cos2x)		2007-12-12
		katelyne pose la question : Hello there.. I was assigned a problem that I am having trouble with in my Pre-Calc class and it is as follows: sin^2x=1/2(1-cos2x) Penny Nom lui répond.
	How many marshmallows did I use?		2007-11-21
		gloria pose la question : the # of marshmallows i use is an even # .it is 2 digit number more than 10 less than 20 the 10th digit half of one digit.how many marshmallows did I use? Chris Langdon lui répond.
	The game of 24		2007-11-19
		M pose la question : Please help...how would you compute 2,2, 6, and 9 to equal 24? Penny Nom lui répond.
	The game of 24		2007-11-17
		Todd pose la question : Hello. My son is very good at the Math 24 game and when he is stumped, I am usually able to figure it out. However, we are both stumped with this one. The numbers are 6, 6, 9 and 5. You can use addition, subtraction, division and multiplication. Please help us equal 24 with those 4 numbers. Claude Tardif lui répond.
	Paying with silver - Part 2		2007-10-17
		Shanna pose la question : The paying with silver problem. I understand how to do the problem, but could you please explain how you would use base 2 arithmetic to solve it. Penny Nom lui répond.
	Golf pairings		2007-10-02
		Mike pose la question : Regarding arranging golf players so no person plays with anyone more than once. You have given examples for 16 and 24 players. If it can be done, i need a solution for 20 players, 4 players per team one round per day for 5 days Victoria West lui répond.
	The game of 24		2007-09-27
		Amanda pose la question : I'm really stumped on a 24 math game question from math class. The numbers are 7,11,17,and 20. Help?? Claude Tardif lui répond.
	Making dot arrays		2007-09-05
		angela pose la question : What do we call the numbers that cannot be arranged into 2-row arrays? Penny Nom lui répond.
	Four fours		2007-08-23
		Belinda pose la question : My son came home with a math question that I can figure out. He needs to use only the number 4 and only four 4's, no less no more. The problems need the answers 11,13,14,and 18. He can use any mathematical sign except square root. He's been able to get all but these so far and I've worked them, but can't come up with the problems. Can anyone help? Stephen la Rocque lui répond.
	Log base 2 of log base 2 of x		2007-06-27
		alex pose la question : y = log base 2 of lag base 2 of x The slope of the tangent to the given curve at its x-intercept is..? Harley Weston lui répond.
	An odd number with 12 factors		2007-06-27
		Wilson pose la question : Do you know of any odd number that has 12 factors? Reply back today. Because I have hand in a project tomorrow. Stephen La Rocque and Harley Weston lui répond.
	24 Game: 7, 5, 3, 3		2007-06-11
		Natasha pose la question : In the maths game called '24', how can you solve 7, 5, 3, 3? I like playing a maths game called '24'. Stephen La Rocque lui répond.
	Game of 24		2007-04-04
		teri pose la question : How do you find the answer of 24 by using 12,24,7 and 2 only once. Stephen La Rocque lui répond.
	Golf schedule		2007-03-30
		Jim pose la question : I am organising a golf break for 12 golfers playing in 3 fourballs over 5 days. I would like to maximise the number of different golfers each player can play with. Any help would br greatly appreciated. Penny Nom lui répond.
	The game of 24		2007-03-22
		Britney pose la question : I have a math problem with the game 24. I am not sure how to solve it. You can use +, -, multiplication, division, ( ), square root, and exponents. Please help me. The numbers are 1, 6, 7 and 8. You have to use all the numbers and you can only use them once. Penny Nom lui répond.
	28 golfers playing golf over 7 days		2007-03-20
		ian pose la question : I have 28 golfers playing golf over 7 days I would like everybody to play with each other at least once Is there a schedule? Thank you Ian Penny Nom lui répond.
	The game of 24		2007-03-09
		colleen pose la question : We are playing the 24 math game where four numbers need to combine using any sign (+, - X, \) to equal 24. The four numbers are 22, 21, 6, 20. Penny Nom lui répond.
	Game 24		2007-02-09
		Becka pose la question : I need help figuring out this sequence for 24 2 2 3 5 Please help Steve La Rocque, Penny Nom, Claude Tardif lui répond.
	The game of 24		2006-11-28
		John pose la question : Math 24 with 9, 8, 4, 2? Stephen La Rocque and Penny Nom lui répond.
	A problem involving logs		2006-11-26
		Beth pose la question : any help would be appreciated on how to solve without using the change of base formula for logarithms in the solution and check of the solution!!! log256 (x) + log16 (x) + log4 (x) + log 2 (x) = 7/4 Stephen La Rocque and Penny Nom lui répond.
	Arithmetic with base -2		2006-11-26
		Yuva pose la question : can we do arithmetic ,base -2. If yes, how and if not, why. Stephen La Rocque lui répond.
	2-row arrays		2006-09-06
		Liz & Samantha pose la question : What do you call the numbers that cannot be arranged into 2-row arrays? Penny Nom lui répond.
	A golf schedule for three days		2006-08-18
		Jon pose la question : I was wondering if I could trouble you to assist me with the following: I am working on a playing schedule for 28 golfers. 7 groups of 4. I have 3 golf days to schedule. Ideally, I would like to schedule all 28 golfers in 7 different groups of 4 on each day. Here is the catch.....no golfer in any group can be grouped togther more than once. Every group of 4 each day will have 4 new golfers that have never played together before. Is this possible? Penny Nom lui répond.
	How many digits are in the number 2^64?		2006-06-14
		Trang pose la question : How many digits are in the number 264? Stephen La Rocque lui répond.
	Twenty golfers		2006-05-08
		Mona pose la question : We have twenty golfers and four rounds of golf. We would like to figure out how to make foursomes so that each golfer plays with as many different golfers as possible. Penny Nom lui répond.
	More on the game of 24		2006-05-05
		Kathy's daughter pose la question : My daughter's 5th grade class plays the 24 math game. She came home the other day with a real stumper! The numbers on the card are 5,5,2,and 6. The rules say you must use every number,you may only use a number once,you can only add, subtract, multiply and/or divide and the answer is 24. Can you help!!!! No one where I work has been able to figure this one. Paul Betts and Penny Nom lui répond.
	9, 8, 7 and 2 in the game of 24		2006-03-17
		Alana pose la question : I just began student teaching in a 5th grade math class and found that the students play 24 in class, a game that I used to play in elementary school. The students choose a card which shows 4 numbers and then have to use any combination of addition, subtraction, multiplication, and division to reach 24. There was one card that we found that seems to have all of us stumped. The four numbers are 9, 8, 7 and 2. Can you figure out how to make 24 with those? Thanks so much for your help! Claude Tardif lui répond.
	Golfing with 8 or 12		2006-02-13
		Carolyn pose la question : I have a couple of questions that my dad asked me and I do not think it can be done in the manner he wants it to come out to. He is going on a golf trip in June. There are going to be either 8 or 12 players playing 4 rounds of golf. The questions that he says will not work and I do not know how to figure it out either is 4 Rounds of golf is for sure. 18 hole Rounds each 4 Players to a group Either 8 or 12 players can every player play with every player in a group at least once during those 4 rounds. If this can be done can you give me the combinations for both 8 and 12 , so I can help out my dad. Along with how you you figure this out. Penny Nom lui répond.
	More on the game of 24		2006-02-02
		Cathy pose la question : 10,16,9,4 this numbers have to equal up to 24. we can't figure it out. Claude Tardif lui répond.
	The game of 24 with 7, 5, 5 and 4		2005-12-18
		Nicole pose la question : i was playing the 24 game the other day. you get 4 digits and you have to turn them into 24. You can use addition, subtraction, division, and multiplication. You have to use all the numbers but you can only use each number once. an example is 2 4 4 1 the answer is (2x4)(4-1)=24. I got stuck on one. The numbers were 7 5 5 4 . Penny Nom lui répond.
	Four 25-sided dice		2005-11-24
		dan pose la question : Simply put, I am curious to find the likelyhood of each possibility (4-100) if I were to roll 4 25-sided die. It seems to start off simply, as 1, 4, 10, 20...following the inside diagonal of Pascal's triangle. But as soon as i reach the point where the sum is greater than the number of sides, Pascal's no longer seems to work. I would be greatly appreciated if I could be informed of the proper formula to find this answer, or perhaps if my theory of doing it is wrong. Andrei Volodin and Shaun Fallat lui répond.
	The game of 24		2005-10-10
		Kim and Chris pose la question : My 4th grade son came home with a math game called 24 game. In it each card has 4 numbers on it. Each number can only be used once, in any order, using multiplication, subtraction, division, or addition. We are stuck on one and wondered if you could help. The four numbers are: 9, 9, 9, 9. And they must equal 24. Any clues? Claude Tardif lui répond.
	cos x * cos 2x * cos 4x * cos 8x		2005-08-29
		Leandro pose la question : A = cos x * cos 2x * cos 4x * cos 8x What's the value of log A at base 2? Chris Fisher and Penny Nom lui répond.
	The value of n*tan*(180/n) tends to pi		2005-07-11
		Daniel pose la question : I am 14 and i have been given a piece of maths coursework whereby a farmer has to fence off a piece of land as large as possible using 1000m of fence. I already know that the formula for working out the area of any shape of a 1000m perimeter = 5002/ n*tan*(180/n), however, after some research I have found out that as the number of sides (n), tends to infinity, the n*tan*(180/n) tends to pi. Why is this? Penny Nom lui répond.
	The game of 24		2005-01-10
		Manny pose la question : HI - my daughter and I are being driven crazy by the following "24" question 7,7,3,3. She's good at the game (well, better than I am) and her teacher gave her this one. Any insight would be appreciated! Claude Tardif lui répond.
	20 Golfers		2004-10-26
		Ian pose la question : I have 20 golfers playing over 6 days I would like to schedule all 20 golfers in 5 groups of 4 on each day here is the catch.... I would like each player to play with each other once during the 6 days. Chris Fisher lui répond.
	Solve for a and t		2004-10-23
		Justin pose la question : How do I solve for "a" and "t" in the equations: 1000t= -4000 + 2000t + (1/2)at^2 1000=2000 + at Penny Nom lui répond.
	The game of 24		2004-09-16
		Angelica pose la question : how can you make 24 out of 7,7,6,5? Claude Tardif lui répond.
	The game of 24		2004-09-14
		Alan pose la question : I was playing that math 24 game and i cant get 21,14,2,2 to equal 24 Claude Tardif lui répond.
	The 24 game		2004-09-09
		Erik pose la question : Ive spent around 40 hours on this one problem. I need help. 3,3,7,7 Claide Tardif lui répond.
	Golfing with Norm		2004-08-19
		Norm pose la question : I am organizing a golf tournament with 6 American and 6 Canadian players. We play 3 rounds of golf. Is there any way to arrange that everyone plays without playing with the same person twice. Each foursome must consist of 2 Americans and 2 Canadians with one of each in a cart. Your help would be much appreciated. Claude Tardif lui répond.
	The game of 24		2004-06-04
		Samantha pose la question : i have the game 24 (the one where you have to use multiplication, division, addition, and subtraction to get to the answer 24) I was playing when i came across the 4 numbers 20, 17, 7, 11 and i cant seem to get 24. Claude Tardif lui répond.
	The "22" puzzle and the "1089" puzzle		2004-04-22
		Marcelle pose la question : 1. Choose 3 digits from 1-9 2. Make all the 2 digit numbers you can from these (6) 3. Add the 3 original digits and divide them into the sum from step 2. The answer is always '22'. I just can't understand why. Can you please help. Another one related to this is it: 1. Choose a three digit number ensuring the first and third digit are differnt by at least two. 2. Make the reverse three digit number and subtract the smaller one from the larger of these. 3. Take this answer and reverse it and add these two 3 digit numbers . eg: 643 - 346 = 297 297 + 792 = 1089 it doesn't matter what numbers are used, the results are alwasy the same. eg 22 or 1089 Paul Betts lui répond.
	A riddle		2003-11-19
		Sarah pose la question : Ok, our teacher gave us this riddle, and I cannot for the life of me figure it out. He said that there are three problems with the following proof: Penny Nom lui répond.
	1 + 1 = 10		2003-09-17
		David pose la question : could you please explain to me how 1+1=10 thanks Penny Nom lui répond.
	The game of 24		2003-09-03
		A student pose la question : We have a game where four numbers must equal 24 using addition, subtraction, multiplication and/or division.Ý I am stuck on the following four numbers - 12, 24, 9 and 17. Penny Nom lui répond.
	The units digit of 57 to the 28th power		2003-09-01
		Maria pose la question : If 57 is raised to the 28th power, what must be the units digit in the result? If you raise 7 to the 500th power, what is the numeral that will appear in the units digit position? Penny Nom lui répond.
	A golf tournament		2003-08-23
		Dale pose la question : I am running a golf tournament with twelve golfers. We will be playing four rounds of golf. I don't want to schedule the same two players together more than twice (if possible). How would I make a schedule that each player would play at least once with every other player? I would appreciate any help that you can give me. Denis Hanson lui répond.
	2/sqrt(2)		2003-05-07
		Mike pose la question : I was looking at an example of csc 45 deg where csc = hyp / opp = 1 / (sqrt(2) / 2) = 2 / sqrt(2) = sqrt(2) I just don't get this. If sqrt(2) = 1.4142145..... How can 2 / sqrt(2) = sqrt(2) as the example shows? Penny Nom lui répond.
	Can twice a square be a square?		2003-03-25
		Mike pose la question : The other day it occurred to some students that they could think of no square number which is an integer, which can be divided into two equal square numbers which are intergers, Or put another way, no squared integer when doubled can equal another square integer. For example 5 squared plus 5 squared is 50, but 50 is not a square number. Walter Whiteley and Claude Tardif lui répond.
	Two modes		2002-12-12
		ali pose la question : I have a math assignment to pick the mode in a set of data. 12 and 21 both appear twice in the data set. What is the mode? Penny Nom lui répond.
	Constructing a tangent to two circles		2002-11-28
		Tom pose la question : I have two circles, different sizes a known distance from each other. We know the radii of the circles. How do I construct a line that is tangent to both circles relative to the segment that connects the centers of both circles? Chris Fisher and Penny Nom lui répond.
	The 24 game		2002-11-16
		Michael pose la question : Hello, my name is Michael and I am in elementary school .. We have a game we play in math class called 24 game. In it each card has 4 numbers on it. Each number can only be used once, in any order, using multiplication, subtraction, division, or addition. We are stuck on one and wondered if you could help. The four numbers are 10-9-16-4. And they must equal 24. Any clues? Penny Nom lui répond.
	The repetition of doing many straight forward problems		2002-10-16
		Dan pose la question : I am the father of a very bright 9 year old girl. She is very interested in math and she grasps concepts very quickly. I am concerned that she may become bored with the repetition of doing many straight forward problems. Her current math teacher has her working in a challenging math book and she is doing 3+ digit multiplication. She misses 2 or 3 out of ten of these problems due to simple addition errors. Should she continue to practice these problems until she can get them all correct? Or, should she move on? Kathy Nolan and Claude Tardif lui répond.
	8 squares from 12 sticks		2002-10-08
		A student pose la question : If you have 12 sticks the same size, how do you make them into 8 squares? Claude Tardif lui répond.
	The number of decimal places in 1 over a power of 2		2002-09-12
		Allan pose la question : Does anyone notice that the maximum number of decimal place of the number 2 dividing 1 and its increment (4, 8, 16...etc) is the same as the power of number 2? eg. 22=4, thus the max number of decimal of 1/4=0.25 which is 2 decimal place and 2 is the number of power of 2 take 64 as example: 26=64, and take 1/64=0.015625 which has 6 decimal place (and is the power 6) Is there such a law in math? If yes, can you tell me what it is? Or is this my discovery? Paul Betts lui répond.
	The 20 kilometer walk		2002-08-20
		A student pose la question : THE 1996 OLYMPIC GOLD METAL WINNER FOR THE 20 KILOMETER WALK WAS JEFERSON. HIS TIME WAS 1HOUR, 20 MIN,AND 7SECONDS. HIS TIME WAS NOT GOOD ENOUGH TO BEAT THE WINNER IN 1988 BY JOSEF. HIS TIME WAS 1 HOUR,19 MIN, 57 SECONDS. WHAT WAS THE WALKING RATE OF EACH PERSON? Penny Nom lui répond.
	A schedule for 24 golfers		2002-05-25
		John pose la question : I am working on a schedule for 24 golfers. 6 groups of 4. I have 8 golf days (twice per week for a month). Ideally, I would like to schedule all 24 golfers in 6 different groups of 4 on each day. Here is the catch.....no golfer in any group can be grouped togther more than once. Every group of 4 each day will have 4 new golfers that have never played together before. Is this possible? Chris Fisher lui répond.
	The square root of 2		2002-03-05
		Roger pose la question : Does two (2) have a square root or do the numbers just keep going? Are there any other numbers that behave like two when it comes to extracting the square root? Penny Nom lui répond.
	When will the calendar be the same as 2002?		2002-02-20
		John pose la question : When will the calendar be the same as 2002? I know the answer is 2013, but I don't know how to answer this mathematically, or if it is possible to do so. This is a ninth grade level algebra question my daughter received from her teacher. Any ideas? Chris Fisher, Patrick Maidorn and Penny Nom lui répond.
	What is 20 to the thousandth power?		2002-02-12
		Kristi pose la question : What is 20 to the thousandth power? Paul Betts lui répond.
	Making 24		2002-01-17
		Renee pose la question : My 4th grade daughter and I need to find a simple math sentence using 5, 5, 3, & 7 to equal 24. You can add, subtract, divide or multiple. Penny Nom lui répond.
	Papy's Computer		2002-01-11
		Mary-Anne pose la question : My second-grade son brought home a fun math worksheet which involved calculating sums using "Papy's Computer." I had never heard of this before and found it to be quite interesting. Each digit in a decimal number is represented by a 2x2 grid. Each grid square corresponds to one of the numbers 1,2,4, or 8. Harley Weston lui répond.
	2=the square root of (2 + the square root of (2 + the square root of (2 +...)))		2001-11-05
		Cynthia pose la question : justify algebreically, that: 2=the square root of 2 + the square root of 2 + the square root of 2 + the square root of 2 + the square root of 2 + and so on, ....... Penny Nom lui répond.
	27		2001-09-10
		Kacy pose la question : In class we were given this problem. We have the numbers 30, 29, 19,11,26. these numbers = 27 in some way but how? the numbers can be applied any way using + - / X ( ) but can only be used 1 time each. can you please help me. Claude Tardif lui répond.
	Some irrational numbers		2001-07-03
		Kellie pose la question : Is it possible to write pi as a fraction? Is it possible to write the square root of 2 as a fraction.. Explain why? Harley Weston lui répond.
	f(x), f(x) + 2, f(x +2)		2001-04-04
		Monica pose la question : Could you explain to me how one should go about graphing functions such as f(x), f(x+2), and so on. Also, how should you explain things such as constants and relationships among functions? Penny Nom lui répond.
	Solve for two variables		2001-02-25
		A student pose la question : How do I solve for %1 and %2 in the following formula when T1, T2 and T3 are known? %1 and %2 are ratios of the same element, therefore %1 + %2 = 100% (%1 x T1) + (%2 x T2) = T3 Penny Nom lui répond.
	Find the two numbers		2001-02-21
		A grade 6 student pose la question : Find the two numbers: 5 is a common factor; 100 is a common multiple; neither number is a mulitple of the other; both are even. Penny Nom lui répond.
	Math game 24		2001-02-21
		Kristi pose la question : We have a game we play in math class called 24 game. In it each card has 4 numbers on it. Each number can only be used once, in any order, using multiplication, subtraction, division, or addition. We are stuck on one and wondered if you could help. The four numbers are: 3, 3, 5, 7. And they must equal 24. Any clues? Claude Tardif lui répond.
	Scheduling a golf vacation		2000-12-05
		Michael pose la question : I'm having a problem scheduling matches for a golf vacation. We have 12 people playing 7 rounds of golf in 7 days. We play 2 man teams vs. 2 man teams everyday.Is there a formula so that you play WITH a different partner everyday and AGAINST as many different people as possible? Thank You for any help you may be. Penny Nom lui répond.
	1234567890		2000-09-14
		Bradley Kloetzly pose la question : Can you find two whole numbers, with the smallest possible difference between them, which when multipled together equal: 1234567890? Harley Weston lui répond.
	Paying with silver		2000-04-26
		Luther Jackson pose la question : A silver prospector is unable to pay his March rent in advance. He owned a bar of pure silver, 31 inches long, so he made the following arrangement with his landlady. He would cut the bar, he said into smaller pieces. On the first day of March he would give her and inch of the bar, and on each succeeding day he would add another inch to her amount of silver. She would keep this silver as security. At the end of the month, when the prospector expected to be able to pay his rent in full, she would return the pieces to him. . . . Claude Tardif and Penny Nom lui répond.
	2^32 + 1		2000-04-08
		Un Etudiant pose la question : 232 +1 can be divided by 641 , why? Claude Tradif lui répond.
	Is a sheet of paper 2-dimensional?		2000-03-06
		Jaclyn Evans pose la question : One day, we were discussing 3-dimensional items. Is a sheet of paper considered a 3-dimensional shape? Or is it 2-dimensional as described by 8.5 by 11 size? Also, could you give me an example of a 4-dimensional item or scenario? Harley Weston lui répond.
	2 to the x and x squared		1999-09-17
		John pose la question : For what values of x is 2 to the exponent x greater than x squared? Harely Weston lui répond.
	2,5,8,1 yields 24		1999-09-12
		Terry Hill pose la question : I was wondering how do I make the numbers 2,5,8,and 1 equal 24? Penny Nom lui répond.
	Y2K?		1999-09-03
		Mike Putzakulish pose la question : In Y2K, the "K" stands for thousand, but where did the "K" come from? I know it's not a Roman Numeral, but what is it?? Chris Fisher and Harley Weston lui répond.
	Base 2 to Base 10, conversion, convert		1999-05-08
		Larry Bader pose la question : 101000112 is the same as what number in Base ten? a. 83 b. 128 c. 93 d. 326 e. 163 Penny Nom lui répond.
	The square root of two is never supposed to end		1999-03-06
		a wondering student pose la question : i am algebra II and am in the 9th grade. today we were talking about rational and irrational numbers. When we were talking about square roots my friend and i were talking and we thought of something. if you have a square with sides of length one then the diagonal of the square is the square root of 2. Now the square root of two is never supposed to end. But the diagonal of the square ends so therefore doesn't the square root of 2 end. our math teacher did not really answer our question because it was not in the lesson plan and not to many people would see where we were coming from. the answer is really bugging me and i would like to have your input. Jack LeSage and Penny Nom lui répond.
	Root 17 is Irrational		1999-01-21
		John Murdock pose la question : If you could help me out with this I would appreciate it. Prove that the square root of 17 is irrational. Harley Weston lui répond.
	Golf problem		1998-08-25
		Bob pose la question : Twelve golfers plan to play seven rounds of golf. Each would like to play as many rounds with different golfers as possible. What are the optimum combinations to accomplish that goal? Denis Hanson lui répond.

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