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	Some 5 card hands		2002-03-28
		A student pose la question : From a standard deck of cards how many 5 card hands are possible consisting of a. exactly 4 hearts b. two cards of one kind and three of another(like a full house). Penny Nom lui répond.
	100 from four 9's		2002-03-27
		A student pose la question : My teacher gave us a math problem to try and figure out and I am stumped. The problem was this.... by only using four nines, how can you get an answer of 100? You can add, subtract, multiply or divide...anything you need to do ,but you can only use four nines. Leeanne Boehm lui répond.
	If the matrix A is inverible and AB =AC, then B = C		2002-03-27
		Vikki pose la question : i hope you can help i am soooo stuck here goes: a) A= 0 1 B= 1 1 c= 2 5 0 2 3 4 3 4 A,B and c are matrices Evaluate AB and Ac (which I can do) then b) I need to prove that if the matrix A is inverible and AB =AC, then B = C. Why does this not contradict what happened in part a)? Leeanne Boehm lui répond.
	Cube roots		2002-03-26
		Kathy pose la question : My son is in 4th grade and needs to simplify the cube roots of 216, 512 and 64. How does he do this with a regular calculator or without? Penny Nom lui répond.
	A triangle in a circle of radius 6		2002-03-26
		Marko pose la question : In a circle of radius 6, a triangle PQR is drawn having QR = 8 and PQ = 10. Determine the length of PR Chris Fisher lui répond.
	A lottery question		2002-03-25
		Noel pose la question : I want to take all numbers in a Lotto game from 1 to 45 and ditribute them between 9 boxes each containing 5 numbers. Each number is used only once. What is the probability that I derive the correct combination of 5 numbers in the draw? What is the probability if I take a systems game and now distribute 9 numbers into each of 5 boxes? Once again, the numbers are used only once. Can you explain what formulae are used and how the answer is derived? Is this a distribution or combination problem? Or is it a combination of both distribution and combination? Andrei Volodin and Penny Nom lui répond.
	Unit fractions		2002-03-23
		Laura pose la question : Write 1/2 as the sum of ten different unit fractions. Claude Tardif lui répond.
	A hamburger and a soft drink		2002-03-23
		A student pose la question : A GROUP OF FRIENDS WENT OUT TO LUNCH. EACH BROUGHT A HAMBURGER AND A SOFT DRINK. TOGETHER A HAMBURGER AND A SOFT DRINK COST MORE THAN A DOLLAR. THE TOTAL COST FOR THE GROUP WAS $17.81. THERE WAS NO TAX OR TIP INCLUDED. IF A HAMBUGER COSTS 2 CENT MORE THAN TWICE A SODA, FIND THE COST OF THE HAMBURGER. Leeanne Boehm lui répond.
	A probability problem		2002-03-23
		Kate pose la question : If I have a spinner and then spinner has the numbers 1,2,3,4 on it and it is spun 3 times, what is the probability that the spinner will stop on 4,3,and 1 ? In that order? Leeanne Boehm lui répond.
	A trigonometric identity		2002-03-22
		Debby pose la question : I am stuck on a problem and wondering if you can help?? It is: Prove the following: sec2(X)+csc2(X) = sec2(X)csc2(X) Harley Weston lui répond.
	Mr. Byrd's drive to work		2002-03-22
		Mr. Bollen pose la question : Mr. Byrd leaves his house at 7:00am to go to work. If he drives 40 mph he will arrive 3 minutes late and if he drives 60mph he arrives 3 minutes early. At what speed will Mr. Byrd have to drive in order arrive exactly on time. Please describe how you arrived at your answer. Claude Tardif and Penny Nom lui répond.
	Range of values for standard deviation		2002-03-22
		Susan pose la question : What is the range of values for standard deviation? Is it between 0 and +3? Is it between +1 and +3? Andrei Volodin lui répond.
	What fraction of the world's motor vehicles are built in Canada?		2002-03-20
		A student pose la question : About 1/4 of the world's motor vehicles is built in Canada or the United States. About 1/5 of the world's motor vehicles are built in the United States. What fraction of the world's motor vehicles are built in Canada? Claude Tardif lui répond.
	Adding algebraic fractions		2002-03-20
		Dolores pose la question : I get totally confused with this problem. I get confused with the getting the lowest terms. 4/x-5 + -2/x -10/x^2-5x Penny Nom lui répond.
	A cone in 3 space		2002-03-20
		Matthew pose la question : Let C in R3 be the cone defined by x2 + y2 - z2 = 0 (A) Let P be the plane described by x + 2z = 1 (i) Find a description of P in terms of two parameters s and t . . . Walter Whiteley lui répond.

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