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	quel sont les plus grands diviseurs communs?		2005-09-07
		Sylvain pose la question : quel sont les plus grands diviseurs communs? Claude Tardif lui répond.
	GCD		2017-11-25
		A student pose la question : Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1. Penny Nom lui répond.
	Abstract algebra		2017-11-25
		A student pose la question : Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1. Penny Nom lui répond.
	Baseball Cards		2017-04-20
		Raquel pose la question : A minor league baseball team gave away baseball cards to each person entering the stadium. One group receives 28 baseball cards. A second group received 68 baseball card. If each person entering the stadium receive the same number of cards, what was the greatest possible number of baseball cards that each person could have received? Penny Nom lui répond.
	How can he raise his average to 90?		2015-12-29
		Raj pose la question : Harris has an 87 in a class where daily works count 20%, quizzes count 20% and tests count 60%. If there are only two test scores what must the score on his second test to raise his average to 90? Penny Nom lui répond.
	A circle and a chord		2015-02-07
		Dakota pose la question : If the diameter of a circle is 48 cm, find the shortest distance from a chord of length 34 cm to the center of the circle Penny Nom lui répond.
	The greatest common divider of n^2-3n-1 and 3		2014-03-09
		Rimoshika pose la question : determine the greatest common divider (n^2-3n-1,3) Penny Nom lui répond.
	A contest with 31 people		2013-09-06
		Kevin pose la question : There is a contest with 31 people and only one winner each week. We play for 17 weeks. What are the odds of winning at least one week? The chances of winning each week are independent from previous weeks. Robert Dawson lui répond.
	A shortest distance problem		2013-03-28
		LYNDELL pose la question : I have a right triangle and know the length of all sides. How do I calculate the shortest distance from the vertex of the 90 degree angle to the hypotenuse? Penny Nom lui répond.
	The shortest chord		2012-07-26
		ANJANA pose la question : AB is a diameter of a circle. C is a point in AB such that CA = 9 cm and CB = 25 cm. Find the length of the shortest chord through C. Chris Fisher lui répond.
	Ordering fractions		2011-08-17
		Myon pose la question : My problem is putting fractions from least to greatest and they are 1/4 2/5 1/3 4/6 1/2 8/9 3/4 1/1 2/6 1/10 thanks Penny Nom lui répond.
	A normal distribution problem		2010-12-02
		Racquel pose la question : I am stuck on this question. I am not sure if using the z score will help me get the answer I need. Here is the question? The average length of time per week that students at this university spend on homework is normally distributed with a mean of 18 hours and a standard deviation of 3 hours. If Diane spends more time on homework each week than 75% of students, what is the minimum time she must spend? Penny Nom lui répond.
	The volume of a test tube		2010-05-20
		Nick pose la question : A maths question. I have a test tube (basically a cylinder but with a rounded bottom end) and the measurements are: the diameter or width of the tube is 31mm and the total length of the whole tube is 204mm. The question is: (a) what's the volume of this test tube (rounded to the nearest cubic mm) and (b) what's the capacity of this test tube (rounded to the nearest mL). I need to show the full mathematical workings out of the two, not just the answer. The problem is the circular bottom end of the tube, it isn't flat, that would make it rather "easy"or straightforward but this is a half-circle (like all test tubes are)!! Penny Nom lui répond.
	The rejection region		2010-05-01
		Mong pose la question : In Tests of Hypothesis, what is the decision when the test statistic we compute from the sample information is exactly equal to the critical value? that is, we reject null hypothesis or do not reject it? Thanks! Chris Fisher lui répond.
	The test for some disease is 99% accurate		2010-02-24
		baaba pose la question : Assume that the test for some disease is 99% accurate. If somebody tests positive for that disease, is there a 99% chance that they have the disease? Chris Fisher lui répond.
	Ordering fractions		2009-09-15
		stacy pose la question : I need help with listing fractions from the least to greatest. last problem of math is 5/6,7/9,23/27,13/18? Penny Nom lui répond.
	Order from least to greatest		2009-09-15
		myra pose la question : which list of number is ordered from least to greatest? A.) 0.035,0.35,2/5,2.5 B) 2.5,2/5,0.35,0.035 c)2/5,0.35,2.5,0.035 D) 0.035,2.5,0.35,2/5 Penny Nom lui répond.
	Highest Common Factor of Two Polynomials		2009-07-28
		Nazrul pose la question : If x+a be the h.c.f. of x^2+px+q and x^2+mx+n, how can I prove that (p-m)a=q-n. Robert J. Dawson & Janice Cotcher lui répond.
	The ratio test		2009-03-06
		Haley pose la question : Use the ratio test to determine whether the series in convergent or divergent. (2/5)+(4/10)+(8/15)+... Harley Weston lui répond.
	(12+8)/2x42=		2009-01-30
		Susan pose la question : (12+8)/2x42= Harley Weston lui répond.
	The vertical line test		2009-01-26
		bob pose la question : what is a Vertical line test Stephen La Rocque lui répond.
	Function or Not?		2008-08-22
		Katie pose la question : Determine whether y is a function of x: [(x^2)y]-(x^2)+(4y)=0 ....thx Janice Cotcher lui répond.
	What is the greatest area she can have for her garden?		2008-05-12
		angie pose la question : Mary has 12 wood boards, each board is 1 yard long. She wants her garden to be shaped like a rectangle. What is the greatest area she can have for her garden? Penny Nom lui répond.
	The shortest distance from a point to a line		2008-04-03
		Katherine pose la question : How do I find the shortest distance from the point (3,5) to the line x = -2 Stephen La Rocque lui répond.
	What point on the graph y = e^x is closest to the origin?		2008-03-03
		elvina pose la question : What point on the graph y = e^x is closest to the origin? Justify your answer. Stephen La Rocque lui répond.
	Average Yearly Percentage Change		2008-01-10
		Ray pose la question : It's about average test scores over a three year span. If the scores were: 2005- 52.6% 2006- 42.5% 2007- 45.5% What is the average amount they changed each year in three years? Stephen La Rocque and Harley Weston lui répond.
	The shortest distance to a line		2008-01-04
		nana pose la question : 3y+4x-12=0 is the equation of the line AB on a graph......the line AB joins both y and x axises together.....point A is on y axis and its value is 3....point B is on x axis and its value is 4.....Question : from point O(0,0).find the point ont the line AB Stephen La Rocque lui répond.
	Which expression gives the greatest value?		2007-12-18
		Jordan pose la question : 'Look at these expressions' n-2, 2n, n(squared), n over 2, and 2 over n (sorry I can't type the expressions out) A) Which expression gives the greatest value when n is between 1 and 2? B) Which expression gives the greatest value when n is between 0 and 1? c) Which expression gives the greatest value when n is negative? As you can see, this IS ONE question split in to three parts lol! Can you tell me how I go about tackling this question? I lost marks on the test because of not understanding the question. Stephen La Rocque lui répond.
	A t-test		2007-11-20
		Rachel pose la question : I am wanting to use the t-test to find if temperature over a period of 5 days was significantly different to the mean temperature for that time of year. So i want to compare expected temps to actual temps. The problem is that because the expected temperature is the same for the 5 days it gives me a standard deviation of zero. Does this mean the t-test cannot be used because the f-test can't be calculated. If so is there an alternative test? Harley Weston lui répond.
	A 5-digit whole number		2007-11-19
		sunjoo pose la question : a friend tells you to think of a 5-digit whole number. then do the following in order : multiply the number by 2. add 200 to the result. divide the result by 2. subtract 100 from the result. what is the greatest number you can get as an answer? Stephen La Rocque lui répond.
	Measurements on a test tube		2007-10-30
		Bruce pose la question : I figure that the surface area (SA) of a round bottom test tube can be determined by the equation SA = 2pi*h*r where r is the radius of the hemispheric bottom & column part, and h is the height (h) at any point upwards from the bottommost portion in the center of the tube. I haven't been able to come up with an equation yet for the circumference of such a test tube at any point upwards along the tube based on the height in its center or on the distance along the outside of the tube. Harley Weston lui répond.
	The odds of winning a contest		2007-07-29
		Kevin pose la question : I have been asked by a customer in Missisauga to track down some odds of winning a contest. In this contest, the last 4 digits of the winner's driver's license number have to match the last 4 digits of a Harley VIN number. There are 200 people maximum allowed into the drawing, 10,000 total possible VIN combos. Would the odds be 1:50 or something other than that? Harley Weston lui répond.
	Students in rows		2007-05-17
		Ashi pose la question : the student of three classescan be made to stand into rows having same number of students. there are 24,36 and 60 students in the classes. how many maximum number of student will stand in each row. Stephen La Rocque lui répond.
	A hypothesis test		2007-04-09
		Katrina pose la question : I have already tried to do this problem but im having a very had time with it. Can you please help me. Glamour Magazine sponsored a survey of 2500 prospective brides and found that 60% of them spent less than $750 on their wedding gown. Use a 0.01 significance level to test the claim that less than 62% of brides spend less than $750 on their wedding gown. How are the results affected if it is learned that the responses were obtained from magazine readers who decided to respond to the survey through an Internet Web site? Penny Nom lui répond.
	Greatest common divisor		2007-03-14
		Marie pose la question : How do I prove this? Let h be the greatest common divisor of the positive integers a and b. Show that there exist integers p and q (not necessarily positive) such that pa + qb = h. Thanks Penny Nom lui répond.
	Greatest common factor		2007-01-26
		Alexis pose la question : What is the greatest common factor of 52,and 100? Penny Nom lui répond.
	Answer to skill testing question		2007-01-18
		Mike pose la question : This question was on a ballot. Is the right answer 36 or 1? 5+2-1X6= Stephen La Rocque lui répond.
	A statistics question		2007-01-07
		Rick pose la question : For many years TV executives used the guideline that 30 percent of the audience were watching each of the prime-time networks and 10 percent were watching cable stations on a weekday night. A random sample of 500 viewers in the Tampa-St Petersburg, Florida, area last Monday night showed that 165 homes were tuned in to the ABC affiliate, 140 to the CBS affiliate, 125 to the NBC affiliate, and the remainder were viewing a cable station. At the 0.05 significance level, can we conclude that the guideline is still reasonable? Penny Nom lui répond.
	Skill Testing Question		2006-12-20
		Tonia pose la question : Skill Testing Question: Multiply five(5) x four (4) Add twenty two (22) Divide by two (2) Subtract six (6) Penny Nom lui répond.
	BEDMAS?		2006-11-29
		john pose la question : I won a contest and they have a confusing format for the STQ. here it is: 11 (+) 44 (x) 2 (-) 10 (%) 25 I've never seen brackets around the operands and wondering how to treat it. I fear they want me to answer the question left to right as the answer is 4 if I use BEDMAS I get 98.6 (which clearly sounds wrong for what they want) any thoughts? Stephen La Rocque lui répond.
	The greatest common factor		2006-10-17
		Myrna pose la question : What is the greatest common factor of 49,164 and 80,860 Stephen La Rocque lui répond.
	16X27+32÷4-26		2006-08-20
		Amanda pose la question : The question was 16X27+32÷4-26. Stephen La Rocque lui répond.
	The greatest common factor of two numbers		2006-07-16
		Fadwa pose la question : What is the greatest common factor(GCF) of the following algebraic expressions? 1680 and 6048 Stephen La Rocque lui répond.
	GCD		2006-03-20
		Jana pose la question : How can i prove: if gcd(a,b)=1 then gcd(a+b,ab)=1 Penny Nom lui répond.
	Highest common factor		2006-02-06
		Sajid pose la question : 1.A rectangular field has dimensions 156 m and 84 m. It is to be fenced with wire netting supported by stakes, equally spaced, a stake being placed at each corner of the field. What is the greatest possible distance between any two stakes, given that it should be more than 2 m and less than 8 m? 2. What is the length of the side of the largest square tile which can be used to cover a floor 525 cm long by 275 cm wide without leaving a gap? 3. Find the greatest number which will divide 140 and 249 to leave remainders 8 and 18 respectively? 4. Find the greatest number which will divide 304 and 298 so as to leave remainder 4 in each case. Penny Nom lui répond.
	GCF, LCM, primes and the ladder method		2006-01-07
		Linda pose la question : How would I teach both finding the GCF and LCM with prime factors...I recall the ladder method vaguely.??? Penny Nom lui répond.
	The shortest distance from a point to a line		2005-03-30
		carly pose la question : Find the shortest distance from the point (-15, 2.5) to the line 5x+6y=30. Penny Nom lui répond.
	A standard deviation test		2004-11-09
		Karen pose la question : How do you compare to see if a sample standard deviation is different than the population standard deviation? I know how to compare means, but not standard deviations. Penny Nom lui répond.
	GCD and LCM		2004-10-31
		Cartalina pose la question : how do you calculate the "positive difference between the GCF and LCM of two numbers"? Penny Nom lui répond.
	GCD (a + b , a^2 - ab + b^2)		2004-08-27
		Carol pose la question : Let a and b integer and relatively prime. Proof that: GCD (a + b , a^2 - ab + b^2) = 1 or 3 Penny Nom lui répond.
	The p-value		2004-07-25
		Kathy pose la question : Ms. Lisa Monnin is the budget director for the New Process Company. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information. At the .10 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff? What is the p-value? Having problems finding the p-value & unsure of the formula. Kathy Penny Nom lui répond.
	Greatest Common Factor		2003-11-08
		Beth pose la question : How do you use the Greatest Common Factor in addtion and subtraction of fraction? Penny Nom lui répond.
	A skill testing question		2003-04-27
		Allan pose la question : it is a contest Labatt Blue can you please give me the answer some people are saying 154 and some 34 Leeanne Boehm and Harley Weston lui répond.
	38 minus 10 plus 12 divided by 4 times 16		2003-04-23
		James pose la question : please help me work this math problem 38 minus 10 plus 12 divided by 4 times 16 Harley Weston lui répond.
	Some 5th grade problems		2003-01-24
		Sabrina pose la question : [What is the greatest common factor of 20,28, and 36?] next problem is [5k+7(k+8)= ] next problem [Curtis simplified 0.8 divided by 0.2 x 0.04 and got 10. Latoya Simplified and got 1.6. is either correct? Can you explaine how you got the answer please.] Penny Nom lui répond.
	The Praxis II test		2002-07-09
		A student pose la question : I am taking the Praxis II test and I can't seem to answer certain styles of questions. Please help!!!!!! In a class of 29 children, each of 20 children has a dog and each of 15 has a cat. How many of the children have both a dog and a cat? If there are exactly 5 times as many children as adults at a show, which of the following CANNOT be the number of people at the show? a. 102 b. 80 c. 36 d. 30 In order to estimate the population of snails in a certain woodland, a biologist captured and marked 84 snails there were then released back into the woodland. Fifteen days later the biologist captured 90 snails from the woodland, 12 of which bore the markings of the previously captured snails. If all of the marked snails were still active in the woodland when the second group of snails were captured, what should the biologist estimate the snail population to be based on the probabilities suggested by this experiment? a. 630 b. 1,010 c. 1040 d. 1080. Paul Betts lui répond.
	Math test		2002-06-28
		Dustin pose la question : I have a really important placement test to take in 2 weeks. I need to have a strong comprehension of algebra and I have't taken a math class in about for years. I'm 24 and am going back to school. I want to get ahead and into math 96, and must pass this test to do that. Do you know of a book or a wab site that can teach me a few formulas that will give me the edge I need. If I have the right text for the job i'll study day and night to pass. Leeanne Boehm lui répond.
	A test drive		2002-04-23
		Jennie pose la question : At 9 A.M. a test car driving at a constant speed passes a marker 50 miles from it's starting point. At noon the car is about 130 miles from the marker. If the test drive ends at 1:30 P.M., how far will the car be from its starting point? Penny Nom lui répond.
	The bleep test		2002-04-13
		Lorraine pose la question : I am currently undergoing training and have asked about a fitness test called the bleep test. The bleep test involves running continuously between two points that are 20m apart. These runs are done in time to a pre-recorded bleep sounds on a pre-recorded audio cassette. The time between the recorded bleeps decrease after each minute. I would like to do my own personal version for training but I have to work out the following before doing this: I need to find out the time in-between the beeps at least for the first level so I can work out the difference for the other levels: The information given to me for the first level is : A 20 meter run at 8.5km/hr (how long would it take?) Please let me know if there is any way in working out this query with the information given. Leeanne Boehm lui répond.
	Testing a hypothesis		2002-03-14
		A student pose la question : A large distriutor of cosmetics has kept his outstanding accounts receivable to a mean age of 18 days over the past year. This average is considered a standard by which to measure the efficiency of the credit and collections department. Management wishes to check if receivables in the current month is over standard and will do this at a significance level of 0.50. A random sample of 100 accounts yields an average of 20 days with a standard deviation of 9 days. what should management conclude? Andrei Volodin lui répond.
	350 students took the math A exam		2002-02-22
		Jim pose la question : at a high school 350 students took the math A exam. 82% passed the test. 40 students that failed the exam in june, took the exam in August. 70% of this group passed the August test. How many of the original 350 students have passed the exam before september? Paul Betts and Penny Nom lui répond.
	Normal distribution		2002-01-21
		Danielle pose la question : A teacher gave a test on which the students' marks were normally distributed, but the results were pathetic. The mean was 52% and the standart deviation was 12%. The teacher decided that the top 10% of the students should get A's, the next 20% should get B's, the next 40% should get C's, the next 20% should get D's, and the bottom 10% should get F's. To the nearest percent, what are the cutoff marks that will result in an A, B, C, D, and F? Penny Nom lui répond.
	Reduce 79,537/3,623,420		2001-12-13
		Eliana pose la question : How do you reduce 79,537/3,623,420. Claude Tardif lui répond.
	A function or not a function?		2001-10-18
		Christian pose la question : Which are the following are not functions? y = x2 y = x3 x = y2 y = 3 Leeanne Boehm lui répond.
	Scoring a college placement test		2001-09-26
		Carmen pose la question : A college placement test consist of 75 multiple-choice questions, each having 5 possible answers. The exam is scored by subtracting from the number of correct answers one-quarter of a point for each question answered incorrectly. If a person answers every question on the exam and scored 45, how many questions were answered wrong? Penny Nom lui répond.
	GCD and LCM		2001-09-24
		David pose la question : Find the GCD adn LCM of the following numbers. Assume p 2 to the power p, 3 to power q, 5 to power r and 2 to power q, 3 to power r, 7 to power p Penny Nom lui répond.
	The shortest distance from a point to a line		2001-06-05
		Kat pose la question : Find the shortest distance from the given line. Round to the nearest tenth. (-2,-1) and x+5y+20=0 Penny Nom lui répond.
	SPRT		2001-05-24
		A researcher pose la question : I have a medical-pharmaceutical study that says: SPRT (something to do with Secuential and Truncated). Do You know what it means S.P.R.T. and what it is? Ejaz Ahmed and Penny Nom lui répond.
	Greatest Common Factor		2001-05-09
		Nicole pose la question : What is the Greatest Common Facter for: 126,261 1008,1080 546,1995 128,256 and 255,256 Penny Nom lui répond.
	A sequence defined recursively		2001-05-01
		A student pose la question : A sequence s is defined recursively as follows: s0=1 s1=2 sk=2sk-2 for all integers - Compute s2,s3,s4... to guess an explicit formula for the sequence sk. Penny Nom lui répond.
	Is there an odd and even function?		2001-03-02
		Saima pose la question : Is there a function that is both even and odd at the same time? In other words, is there a function that can pass the y-axis, x-axis, and origin symmetry test? Claude Tardif and Penny Nom lui répond.
	Greatest common factor		2001-01-17
		A teacher pose la question : I'm a teacher at a local Middle School and I would like the answers for the following questions. What is the greatest common factor for.. 546 and 780 156 and 732 . . . Leeanne Boehm and Penny Nom lui répond.
	A pair of numbers whose GCF is 28		2000-12-27
		John pose la question : Name 2 different pairs of numbers whose GCF is 28. Penny Nom lui répond.
	An infinite series		2000-12-16
		John pose la question : summation(n=1 to infinity)[n sin(1/(2n))]n Harley Weston lui répond.
	Eligibility in a contest		2000-03-14
		Ken Rabley pose la question : Hi, hoping you can help. Dispute among co-workers. Tell me, what is the correct answer to the following question: -1936 + (2406/4812) x (4756 - 3256) + 1250 Seems this is the question for eligibility in a contest...We have come up with various solutions, all which may be correct. Penny Nom lui répond.
	Factoring, primes, GCF and LCM		2000-02-27
		Ruth Kroek pose la question : My son is in grade seven, he has to do a Factoring Booklet the areas covered are: Prime #'s Composite #'s Rainbow Factoring Finding Multiples (consecutive multiples) Finding GCF of 2-3 numbers uning Rainbow factoring Finding LCM of 2 numbers using consecutive multiples prime factor trees prime factor ladders finding GCF of 2 numbers using Prime number Method Although his text 'Math Power' gives some information, we are at a loss .. Penny Nom lui répond.
	Two contest problems		1999-04-14
		Bruce Baldwin pose la question : We have students that are preparing for the Pythagoras Contest which is a nation wide Grade 6 math challenge. In the preparatory tests we have run into several questions that we can not understand. Is there anyone who can help us? If 1 * 9 = 0, 9 * 8 = 72, 2 * 8 = 9, then 9 * 9 = ? ... Judi McDonald and Walter Whiteley lui répond.
	Greatest Common Factor.		1998-01-09
		Percy Stribling pose la question : how do you figure out what the greater common factor is? Penny Nom lui répond.

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