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	A word problem		2022-01-29
		Ric pose la question : Box of oranges weighs 9 pounds. 2/3 of oranges eaten. Box and remaining oranges weighs 4 pounds. What is weight of box when empty? Penny Nom lui répond.
	Arranging chairs in a row		2021-01-26
		aiyana pose la question : hi i need help with this a teacher wants to arrange 16 chairs in a equal rows in his class room Harley Weston lui répond.
	Arranging buttons in a row		2020-08-24
		Nick pose la question : A sequence of 10 buttons can be arranged in a line. The buttons are identical except for colour, with each button being either red, blue or green. Arranging buttons in a row How many sequences can be made where there are exactly 2 red buttons as part of the sequence of 10 buttons? How many sequences can be made where there are exactly 4 red buttons as part of the sequence of 10 buttons? Penny Nom lui répond.
	3 digits from 7 digits		2019-06-02
		Corban pose la question : HOW MANY COMBINATION ARE THERE USING 3 DIGITS NUMBERS ONLY 1-7 ie 137 731 317 456 654 123 321 248 Penny Nom lui répond.
	A range hood		2017-12-04
		Chuck pose la question : I'm building a custom range hood and can't seem to get the angles correct where the front and side panels intersect. I saw a similar post but there's no way I can do the calculations for a Wolfram Alpha! Here are the dimensions that I have (in inches)... Base - Front 29 7/16" x side 19 3/16" Top - Front 10" x side 9" Front Panel Length (from base to top on an angle) 21" Side Panel Length (from base to top on an angle) - 17 9/16" Vertical distance from the base to the top 14 1/4 inches. Any help finding the bevel/miter of the two front corners where the sides meet the front panel would be greatly appreciated. I will need the angle for the saw in degrees. Thank you in advance! Regards, Chuck Harley Weston lui répond.
	The domain and range of a function		2016-02-19
		Genius pose la question : State the domain and range g(x)=x(x-1) Penny Nom lui répond.
	The range of a function with a finite domain		2016-01-25
		Hannah pose la question : Solve y=(1⁄4)x-1 if the domain is (-4,-2,0,2,4). I don't get how to do this. Can anyone help? Penny Nom lui répond.
	Fractions of two quantities		2016-01-22
		Melody pose la question : Kate ate 1/4 of her orange. Ben ate 2/4 of his banana. Did Kate and Ben eat 3/4 of theit fruit? Explain. Penny Nom lui répond.
	The range of a function defined piecewise		2016-01-13
		sarah pose la question : f(x)={x-2, x<-2        {x^2-4, -2_<x_<2        {x+2, x>2 find the range Penny Nom lui répond.
	The range of f(x)=(2x+2)/(x-1)		2015-11-25
		Nazrul pose la question : f : R to R is a function which is defined by f(x)=(2x+2)/(x-1). Is f(x) an onto function? Please explain. What is the range of this function? Thank you very much for your previous help. Harley Weston lui répond.
	Arrangements of the letters STRANGE		2015-08-22
		Ravi pose la question : In how many ways can the letters of the word STRANGE be arranged to that the vowels occupy only the old places. Penny Nom lui répond.
	A quadratic equation		2013-11-27
		corinanna pose la question : Hi, How do you find a quadratic equation given the domain & range, & or the y-intercept? Penny Nom lui répond.
	How many oranges?		2012-10-06
		Rodger pose la question : Question from Rodger, a teacher: How Many Oranges? Marjorie, Colleen, and Bob picked oranges together. They were tired after picking a large number of oranges and so fell asleep. Marjorie woke first and decided to take her third of the oranges and head home. She counted the oranges, and found that the number was divisible by 3 if she took one of the oranges first. Marjorie took one orange and then took one-third of the remaining oranges. She left quietly. Bob awoke a short time later, noticed that Colleen was sleeping, and presumed Marjorie had gone for a walk. He decided to head home because he wasn't feeling well. Not realizing that anyone had left, he counted the oranges and found that the number of oranges was two more than a number that could be easily divided by 3. So he took the two extra oranges and then one-third of what was left. He left without waking Colleen and without waiting for Marjorie to return. Colleen finally awoke and wondered where her friends had gone. She assumed they were both busy somewhere nearby. Before she left, she counted the oranges and was surprised at how small the number was. She found that the number of oranges was one more than a multiple of three, so she took the extra orange and one third of those remaining. 1. What was the total number of oranges the friends picked? 2. How many oranges were left behind when Colleen departed? 3. Is more than one answer possible for the total number of oranges? If so, what other numbers are possible? Explain. 4. Based on the values you found in problem 3, determine a reasonable solution to the problem. Explain your answer. 5. Is it possible that five oranges remained after Colleen took her share? Explain. 6. Could there have been six oranges left after Colleen departed? What about 46 oranges initially? Explain 7. Find a pattern that gives all the possible numbers of oranges that the friends picked. Explain your pattern 5. Is it possible that five oranges remained after Colleen took her “share”? Explain. 6. Could there have been six oranges left after Colleen departed? What about 46 oranges initially? Explain 7. Find a pattern that gives all the possible numbers of oranges that the friends picked. Explain your pattern Penny Nom lui répond.
	The range in grouped data		2012-08-27
		maria pose la question : Question from maria, a student: how to find range from group data.?i know that it is the difference between largest and smallest value.but confuse to find range of group data e.g class interval frequency 0------5 6 5------10 7 10------15 9 15------20 4 Robert Dawson lui répond.
	The range of h(x) = 1/x		2012-08-11
		Lucy pose la question : What is the range of the function: h(x)=1/x (and can you please explain why)? Penny Nom lui répond.
	Domain and range		2012-08-09
		Lucy pose la question : Can two different functions have the same domain and range? Why or why not? Penny Nom lui répond.
	The same mean but different ranges		2012-01-14
		swathi pose la question : Frank and Frances work out at their local gym. the mean of their workout times is the same: 48 min. however, the range of Frank's workout times is 7 min, while the range of Frances'sworkout times is 16 min. explain how this is possible. Penny Nom lui répond.
	In how many ways can 12 members of volleyball team line up ...		2011-11-18
		Aatir pose la question : In how many ways can 12 members of volleyball team line up if the captain and assistant captain have to remain together. Penny Nom and Stephen La Rocque lui répond.
	Building a custom range hood		2011-10-08
		Bill pose la question : I'm building a custom range hood for a customer with special order material that matches their newly installed cabinets and I need it to be perfect. The hood is basically a pyramid but the 4th side is the flat wall at the back and a flat, rectangular top. I need to calculate the bevel and miter of the three sides but I never was very good with geometry functions (although I am fairly good with other math fields). I either need the calculations from you at least (shudder) a formula or set of formulas so that I can calculate them myself. Harley Weston lui répond.
	Arrangements of ten letters		2011-04-15
		Mustafa pose la question : In how many ways can the ten letters of the word GELATINOUS be arranged in a line so that the vowels are in alphabetical order (not necessarily together) when read from left to right? Penny Nom lui répond.
	Rearrange for x		2011-02-06
		sue pose la question : (x+7)/3 = (3xy+2x)/4 rearrange for x Penny Nom lui répond.
	A box full of oranges		2010-10-28
		Mary pose la question : A box full of oranges weighs 9 pounds. After a family ate 2/3 of the oranges, the remaining oranges and the box weighed 4 pounds. The weight of the box when empty is how many pounds? Penny Nom lui répond.
	The domain, range and inverse of a relation		2010-01-08
		Nazrul pose la question : Given that A={-2,-1,0,1,2}, S={(x,y): x belongs to A, y belongs to A and y^2=x}. How can I find the domain and range of the relation S. What is the inverse relation of S. Please show me the process in details. Thank you. Penny Nom lui répond.
	y = sin(x) + 3		2009-11-10
		Kapilan pose la question : When graphing trigonometric functions like SIN and COSINE does f(x)=x squared equal to SIN or COSINE Also what is the range, domain, period and ampliltude for y=sin@ + 3 Harley Weston lui répond.
	Probability		2009-09-27
		Ed pose la question : My mother died 3 years to the day after her daughter died. what are the odds of that happening by chance? thanks Chris Fisher lui répond.
	Domain and range		2009-09-11
		Aubrey pose la question : I'm supposed to "state the domain/range of each of the following relations" and it's totally not making sense... Examples: {(x,y) : x = square root of y} {(x,y) : y = x + 1, x is some even integer} Thanks in advance!! Aubrey Robert Dawson lui répond.
	Arrangements		2009-08-20
		Anna pose la question : How many arrangements of FATHER can be made if all the vowels must be kept together? Leeanne Boehm lui répond.
	Rearrangements of 8028842		2009-07-17
		Con pose la question : How many different 7-digit numbers can be made by rearranging the digits in the number 8028842? Penny Nom lui répond.
	Range and Domain of a Star		2009-05-14
		Larry pose la question : I am an old teacher trying to help my grandson. He has to draw a structure to scale and then determine the function, domain and range. One line on the structure is from (0,8) to (-8,-4). I used the intercept method and found the function to by y=1.5x +8 (I think) but can't find the range and domain) Thanks Janice Cotcher 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.
	Seating 8 people in a row		2009-02-15
		raymond pose la question : In how many ways can 4 boys and 4 girls be seated in a row if they may sit anywhere Penny Nom lui répond.
	4 digit arrangements of 7 3 6 6		2009-02-05
		Carole pose la question : I need all the four digit combinations using the numbers 7 3 6 6 Penny Nom lui répond.
	The range of a set of numbers		2008-11-19
		krista pose la question : hi, i was working on a math problem for homework and it asked me to find the range out of these numbers: 1,15,16,16,19,25,27,28,28, can you help me? Penny Nom lui répond.
	Domain and range		2008-09-16
		Cara pose la question : Please help me to find the domain and range of the following function: F(x)=sin(2x) Harley Weston lui répond.
	The range of a dataset		2008-07-27
		Todd pose la question : When calculating the range you subtract the low number from the high number. If all the scores are the same is the range considered 1 or 0? Stephen La Rocque lui répond.
	Domain and range		2008-07-23
		Cane pose la question : Hi, my name is Cane and i am stuck on this problem. Find the doman and range then graph. y= square root of(x squared - 6x) + Square root of(6x - x squared) Harley Weston lui répond.
	The maximum range of a projectile		2008-07-22
		kwame pose la question : the range R of projectile fired with an initial velocity Vo ,at an angle of elevation (@ )theta from the horizontal is given by the equation R = (Vo(squared) sin2theta)/g. where g is the accelation due to gravity . Find the angle theta such that the projectile has maximum range . Harley Weston lui répond.
	Domain & Range of a Periodic Function		2008-07-11
		Michelle pose la question : The depth, w metres, of water in a lake can be modelled by the function, w=5sin(31.5n+63) +12 where n is the number of months since January 1, 1995. Identify and explain the restrictions on the domain and range of this function. Janice Cotcher lui répond.
	Smallest Even Number		2008-07-09
		Ma. pose la question : Using the digits 0, 1, 3, 4, and 5 only once give the smallest 5-digit even number Janice Cotcher lui répond.
	Domain and range		2008-07-07
		marylie pose la question : what is the domain and range of f(x)= -sq.rootof x ^2-4??tnx Harley Weston lui répond.
	Escort cards on a rectangular table		2008-06-13
		Susan pose la question : What size rectangular table will we need to put 230- 2" X 3.5" escort cards on for my daughter's wedding reception with a spacing of .5 inch between them on all sides? Thanks so much for your help Penny Nom lui répond.
	How many different ways can cards fall when shuffling?		2008-06-09
		Twyla pose la question : How many different ways can cards fall when shuffling? In other words, if you have 52 numbers, each one unique, how many different ways can they be arranged, using each number only once? Penny Nom lui répond.
	Rearrangements of the digits in 0123456789		2008-03-23
		Joe pose la question : Found a close problem but not quite. Using digits 0123456789, how can I figure what all the different possibilities would be without repeating any digits? I know that there are 10! possible answers but how can I figure out what they are? Stephen La Rocque lui répond.
	Percent and range		2008-03-06
		Greg pose la question : How do you find out the percent of a number that is with in a range of numbers (i.e. what % is 39 of range 34 to 42)? Penny Nom lui répond.
	All possible arrangements of the word "PROBLEM"		2008-02-25
		student pose la question : Consider all possible arrangements of the word "PROBLEM". If a word is picked at random, find the probability that (a) the word starts with a vowel (b) the word ends with a consonant. Harley Weston lui répond.
	The range of a function		2008-02-10
		Rachel pose la question : How do I find the range of this function? (3x^3-2x^2+6x-7)/(x^2-3x-4) Harley Weston lui répond.
	The domain and range of a function		2008-02-05
		Victoria pose la question : Please...Please...Please tell me how to find domain and range. Every text and website i have gone to does not make any sense to me! Below are two example problems i found on a website... f(x) = (8x-3)/(4x-1) and y = 2x+1 Please explain step by step how to find the domain and range. Penny Nom lui répond.
	Range of a Function		2008-01-15
		Amanda pose la question : I'm studying for the mid-term and I can't seem to grasp this one question on my review sheet. Can you help me? Find the range of a function y = 32 + 5x where 0 < x < 8 and x is an integer. Penny Nom lui répond.
	Percent change between two value ranges		2007-11-28
		Joe pose la question : How do you calculate a percent change between tow value ranges - for instance if I project a range for 2007 to be between 100 and 120 and a range for 2008 to be between 120 and 140, how do I calculate the estimated increase between the range? Is it 0% to 40% (taking the two inside values rto calculate the minimum and the two outside values rto calculate the maximum?) Harley Weston lui répond.
	The range of a function		2007-11-12
		Camille pose la question : Hi There, I am taking a calculus class by correspondence and part of the introduction is learning how to find domain and range of functions. I understand how to find the domain. I also understand that if you find the inverse of the equation and solve for x to find the domain it will give you the range because the domain of the inverse is equivalent to the range of the original equation. However when trying to apply this method to complicated questions (ie: square root in the denominator) I get confused and can't solve for x. Camille Harley Weston lui répond.
	Stem & Leaf Plots		2007-11-02
		Jen pose la question : Trying to help my Gr.4 son with his math and i am a little lost here are the stem and leaf plots.. Stem Leaves 4          02 3          1226699 2          011255789 1          33357899 Stem Leaves 2          00011111223334455 1          range566788899 Question - How are the ranges for the stem & leaf plots different ? Penny Nom lui répond.
	Domain and range		2007-10-12
		Dawn pose la question : Hi, I've been out of school for 8 years and recently picked up a math correspondence course. I'm having trouble trying to figure out the range and domain of a linear function. I've read everything I can find in my text, lessons and on your site and I still can't figure out what I'm suppose to be doing. The function is y=2x+1. Please help. Penny Nom lui répond.
	Arrangements of children by age		2007-09-02
		shani pose la question : How many different arrangements of children by age can there be in families with four children?(hint: Boy-girl-boy-girl is different from boy-girl-girl-boy. Presume there are no twins) The hint is more confusing than the question. Penny Nom lui répond.
	Re-arranging the alphabet		2007-08-18
		samhita pose la question : Find the number of ways of arranging 26 letters in the English alphabet in a row such that there are exactly 5 letters between x and y. Stephen La Rocque and Penny Nom lui répond.
	The domain and range of a quadratic function		2007-07-17
		Linda pose la question : I have been trying to solve this problem but I'm unable to figure it out. How do I find the domain and range of y=-(x+1)^2-3? Please explain...thanks! Stephen La Rocque and Penny Nom lui répond.
	Interval of the domain		2007-05-13
		Gale pose la question : What does the term interval of the domain mean? Penny Nom and Stephen La Rocque lui répond.
	A missing observation		2007-04-02
		destinee pose la question : please help me my problem is 5,11,19,3,15,17,5,n find n given the following info.range:16 mode:5 median:8 mean:10 what the heck is the answer Penny Nom lui répond.
	Range in statistics		2007-02-28
		Steve pose la question : I was wondering if the range is considered as a positive or negative number, or does it ignore such indications? Penny Nom lui répond.
	Input-output table		2007-01-10
		Richard pose la question : Question is make an input - output table for the function using the domain 0,1,2,3,4, Then state the range of the function. y =x + 8 ? y =0.4x +3 ? Penny Nom lui répond.
	How many arrangements are there?		2006-04-16
		Jim pose la question : Can you tell me how many different combinations there are using 3 letters and 4 numbers. Letters first then numbers, example -aaa0001, aaa0002, aaa0003,-----------baa0001, baa0002, ------zzz9999. Stephen La Rocque lui répond.
	Domain and range		2006-03-08
		Jennifer pose la question : How do I find the domain of x-2y=1 if the range is {-2,0,5,8} Penny Nom lui répond.
	The range of a data set		2005-10-04
		Carmen pose la question : What is the range of this data? 36,64,37,45,53,60. Penny Nom lui répond.
	The range of a function		2005-08-21
		Kelsey pose la question : What is the range of the function f(x) = 4x - 6 when the domain is {-3,-1,1,3,5}? Penny Nom lui répond.
	A seating arrangement		2005-02-03
		Kay pose la question : If you have 5 married couples, how many arrangements can be made if they must sit across from each other? Penny Nom lui répond.
	Domain and range		2004-08-01
		JJ pose la question : I'm checking domain and ranges of these functions. Are these right? Penny Nom lui répond.
	Two Problems		2004-07-12
		Justina pose la question : i cant figure out the range of this equation in interval form because the highest point seems to be a decimal. please help f(x) = x + sqrt(4-x2) ............................................................................. Building Design A circular air duct of diameter D is fit firmly into the right-angle corner where a basement wall meets the floor (see figure). Find the diameter of the largest water pipe that can be run in the right-angle corner behind the air duct. Claude Tardif and Penny Nom lui répond.
	Rearranging an expression		2004-02-24
		Corey pose la question : use the following formula to answer the question F=9c divided by 5 plus 32 rearange the formula to solve for c how many degrees fahrenheit would it be it it was: 0 degrees celcius -10 degrees celcius -46 degrees celcius Penny Nom lui répond.
	Arrangements around a circular table		2003-10-07
		Lori pose la question : How many arrangements can 6 people be seated round a circular table? Penny Nom lui répond.
	The domain of 1/g(x) - 5		2003-07-03
		Barbara pose la question : If the range of g(x) is ( neg. infinity,4] and the domain of g(x) is ( neg. infinity, infinity), how do I find the domain of 1/g(x) - 5? Penny Nom lui répond.
	Runs		2003-03-16
		Diana pose la question : How many arrangements are there with n 0's and m 1's, with k runs of 0's? (A run is a consecutive set [1 or more] of the same digit; eg. 000 111 0 11 00 has three runs.) Penny Nom lui répond.
	Functions and relations		2002-04-25
		Erin pose la question : Here's a few math problems that might drive a person insane ;) If 2f(x) - 3f(1/x) = x^2 what is f(2)? What are the domain and range of the following relations? x^2 - 4y^2 = 25 4x^2 + 9y^2 = 36 The port of Swan Harbor is 200km away from Merry Town Inlet on a bearing of N50E from Merry Town. A ship leaves Merry Town at 8am and sails N15W at 15 km/h. At the same time, a second ship leaves Swan Harbour on a course of S80W at 20km/hour. How close, to the nearest km, are the two ships at 13:00? Prove the identity. 1+sinx + cosx/ 1-sinx + cosx = 1+sinx / cosx Penny Nom lui répond.
	Composition of functions		2002-04-06
		Yvonne pose la question : In our new text book, the following question occurs: State the domain and range of g(f(x))given that f(x) = -x2 - 4 and g(x) = sqrt(x) The range of f(x), x<=-4, is the domain of g(x). BUT, there is no solution in the Real numbers for g(f(x))= sqrt(-x2 - 4). In the solutions it says that this is not a function and therefore does not have a domain or range. Is it a relation? Is it anything? Claude Tardif lui répond.
	Tonya in the orange grove		2001-04-25
		A parent pose la question : Tonya was helping in the orange grove. She decided to take some oranges home to share with 3 friends. She gave 3 more than half to Jennifer. Angela got half the remainder and 3 more. She gave Josie half the remainder plus three. When she got home, she had only 10 oranges left. How many did she have when she left the grove? Penny Nom lui répond.
	Domain and Range and Zeros		2001-02-27
		Beth pose la question : 1. f(x)=15-2x-x2 2. g(t)=square root of 4-t2 3. y=t-3/t2-t-6 Penny Nom lui répond.
	Arranging some numbers		2001-01-14
		Denise pose la question : Arrange the following numerals in two groups of four each so that each group will add to give the same sum. 1 2 3 4 5 7 8 9 Penny Nom anf Claude Tardif lui répond.
	What is the difference between Mean and Average?		2000-12-13
		Julie pose la question : What is the difference between Mean and Average? My thinking is the average, is the equal to the sum of all numbers divided by the number of numbers added together. But the mean, I think should be calculated by adding the largest and smallest numbers in the set and them dividing by 2. (which is the point where 1/2 the numbers are higher and 1/2 the numbers are lower) Patrick Maidorn and Penny Nom lui répond.
	Range of a function		2000-11-21
		David Bell pose la question : Given a rational function such as f(x) = (8x-3)/(4x-1). How can the range be found. Penny Nom lui répond.
	Calculator and telephones keypads phones		2000-06-27
		Thomas Smith and Veronica Yates-Riley pose la question : On a keyboard, why is the number "7" on the top of the keypad as opposed to the number "1" at the top a telephone keypad? Penny Nom lui répond.
	Approximations		1999-12-20
		Adrian Valc pose la question : Long-time ago I red an article about surprizing (and in a way frustrating) results in math, for example the limit of a nicely defined infinite series which was believed to be a simple rational number, but later was determined to be a transcendent number that missed the rational value by an incredibly small amount (so for example the limit proved to be 2.75000...00137.. with a lot of 0's in between). I cannot find that article anymore, so i was wondering if you have any such examples, or you can point to any relevant information source? Chris Fisher lui répond.
	Domain and Range of a Function		1999-11-14
		Michelle Mellott pose la question : How do you find the range of the following function: 2y2/(y2+5y+6)?? I know the domain is x not equalled to -2, -3. How can one easily find the range? Harley Weston lui répond.
	The Range of a Function.		1997-09-12
		Karel Marek pose la question : Math Is Book 6 (Ebos/Tuck) question 5(b) gives a surprising answer at the back of the book.. The question is: Indicate the domain and range for this: y = sqr(x-9) (Square root of) The answer for the domain is x>=9 which is not surprisingly, but the range is y>=0, yER ... which I could understand if you were not allowed to transform the equation into x as the subject.. But all example on the facing page DO TRANSFORM the equation at will with x and/or y as the subject.. Can you explain this... ?? Chris Fisher lui répond.

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