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	Proof by induction		2006-02-10
		From Victoria: how do i prove by induction on n that n Σ 1/i(i+1) = n/(n+1) i=1 for all positive integers n Answered by Penny Nom.
	Equal fractions		2006-02-10
		From Dylan: write three equal ratios 3/4 _________________________ Answered by Penny Nom.
	More on percentges		2006-02-10
		From Rich: I need to dilute several owners who combined own 66% down to 50% and increase the 34% owner to 50%. I thought it was as simple as taking 16% away from each of the 66% and transferring that amount to the 34%, but it doesn't add up. Answered by Penny Nom.
	sinh(i/2)		2006-02-09
		From Louis: How can you set up an equation to find sinh(i/2) Answered by Penny Nom.
	Degree		2006-02-09
		From Jessica: I am a 9th grade home school student and have started doing degrees of terms in my math book. The following is some examples they give: 25a to the 4th power is a 4th degree term 67c to the 9th power is a 9th degree term x is really x to the 1st power so it is a 1st degree term 10 is really 10x to the 0 power so it is a 0 degree term They go on to say that every constant is a zero degree term. My question is why isn't a constant, like 10, simply to the 1st power (making is a 1st degree term) like x. Answered by Claude Tardif.
	How many beanbag animals does each friend have?		2006-02-09
		From A student: Melissa has 1 more than twice the number of beanbag animals Rachael has. Latanya has a third as many bean bag animals as Melissa has. Together, the three friends have 38 beanbag animals. How many beanbag animals does each friend have? Answered by Steve La Rocque and Penny Nom.
	Find two consecutive integers whose product is 182		2006-02-09
		From Anthony: Find two consecutive integers whose product is 182 Answered by Steve La Rocque.
	A percentage question		2006-02-09
		From Graham: If i order 700 lines in total, 500 lines on order A and 200 lines on order B how bo i work out the percentage of lines ordered on order A Answered by Penny Nom.
	Simplify the variable expression: 3g^2h over 12gh		2006-02-09
		From Andrew: okay the question says simplify the variable expression: 3g2h over 12gh how would u do this? Answered by Penny Nom.
	The third side of a triangle		2006-02-09
		From Clayton: How do I find the length of the third side of a triangle if a=30m, b=30m and I need to find c? Answered by Steve La Rocque and Penny Nom.
	How many 16 foot 2 by 4's are there in a 1000 board feet of lumber.		2006-02-08
		From Fred: how many 16 foot 2 by 4's are there in a 1000 board feet of lumber. Answered by Penny Nom.
	Grade 3 Math Puzzle		2006-02-08
		From Jayne: The question is to use the numbers 1 through 9. They are to be placed on lines, and each group is to add up to 11. The trick is that the first 2 numbers used add to 11, then lines 2, 3 and 4; then lines 4,5 & 6; then lines 6,7 & 8; and then lines 8 and nine (it is really hard to describe. In the book, is shows circles making each group). The lines are all horizontal, and lined up to each other like:_ _ _ _ _ _ _ _ _ Answered by Claude Tardif.
	preuve par neuf		2006-02-08
		From Thonet: Je suis enseignante en primaire en Belgique et j'aii actuellement une stagiaire étudiante qui va devoir apprendre à mes élèves comment fonctionne la preuve par 9. Elle sait expliciter concrètement celle-ci et a trouvé l'explication du pourquoi de sa fonction mais nous ne savons pas l'origine de cette application mathématique... Qui l'a inventée ? Pourquoi ? ... Pourriez-vous nous éclairer ? Answered by Claude Tardif.
	How many divisors does the number 138600 have?		2006-02-08
		From Joe: How many divisors does the number 138600 have? Answered by Steve La Rocque and Penny Nom.
	Concrete in a foundation		2006-02-08
		From Philippe: Can you please help me determine how many cubic yard of concrete I need to purchase for a foundation that is 50' by 25.5 by 8' height and how many cubic yard would I need for the slab that is 50' by 25.5 by 0.5 Answered by Penny Nom.

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