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	Sand falling off a conveyer		2010-04-02
		Katherine pose la question : sand is falling off a conveyer onto a pile at the rate of 1.5 cubic feet per minute. The diameter of the base is approximately twice the altitude. At what rate is the height of the pile changing when it is 10 feet high? Penny Nom lui répond.
	Pyramids and parallelograms		2010-04-01
		Vivi pose la question : Hi, my name is Vivi, and math teacher is giving a geometry test. I tend to forget how to find the surface area and volume of triangular pyramids and parallelograms. Do you have a way of remembering how to find the surface area? Harley Weston lui répond.
	A ratios problem		2010-04-01
		Jules pose la question : 1a) If 2/3 of the boys and 3/4 of the girls at a party are dancing, what is the ratio of boys to girls, if all the dancing couples consist of a boy and girl? b) If the total number of the boys and girls of the party is 153, how many boys are at the party? Penny Nom lui répond.
	Total tax		2010-03-31
		Keli pose la question : if the gst in Ontario is 5% and the pst is 8% the total tax would be 13%. How come the total tax is 1.13? Shouldn't it be 0.13? Robert Dawson and Tyler Wood lui répond.
	1/1+1/2+1/3...		2010-03-31
		Mohd pose la question : you explained the way of getting the summation of 100 series numbers but what is the summation of the numbers 1/1+1/2+1/3+1/4+1/5.............................+1/100 Robert Dawson lui répond.
	Tiling a floor		2010-03-31
		shane pose la question : a floor in a house is 12'6" in width and 10'4" in length. Tiling the floor with each tile 5" on each side. First express the square footage into an improper fraction. Second express the area of each tile in square feet. Third how many tiles needed to tile the floor. Fourth explain how answers relate to real world Harley Weston lui répond.
	The diagonals of a rectangle		2010-03-30
		Tabatha pose la question : The diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. Find the dimensions of the rectangle. Penny Nom lui répond.
	A system of equations		2010-03-30
		samantha pose la question : the equations of two lines are 6x-y=4 and y=4x +2.what is the value of x in the solution for this system of equations? Penny Nom lui répond.
	A 25% discount		2010-03-29
		Susan pose la question : If something costs 1.00/per lb. and that price includes a 25% discount. How do you calculate what the price was before the discount? Penny Nom lui répond.
	Sample size		2010-03-29
		Rae pose la question : What sample size was needed to obtain an error range of 2% if the following statement was made? "75% of the workers support the proposed benefit package. These results are considered accurate to within + or - 2%, 18 out of 20 times. This seems like a straight forward question but I'm getting it wrong. Could you please help me out even just the set up would be appreciated so I can see if that's where I'm going wrong. Thanks Harley Weston lui répond.
	The sides of a 30-60-90 triangle		2010-03-29
		maris pose la question : Find the sides of a 30-60-90 triangle whose perimeter is 6. The solution must use systems of equations using 3 variables. Penny Nom lui répond.
	The perimeter of a lake		2010-03-29
		Bill pose la question : I am trying to figure out the approx. perimeter of a 22 acre lake. Can I solve this by calculating the sq. ft. in 22 acres and then take the square foot to find out the sides of a 22 acre square and then add the sides together to get the perimeter? Penny Nom lui répond.
	The area of a polygon		2010-03-28
		John pose la question : Question from John, a student: How do you find the area of a polygon with any given amount of sides? Harley Weston lui répond.
	A trig identity		2010-03-27
		Anne pose la question : Prove: (2tanx-sin2x)/2sin^2x=tanx Penny Nom lui répond.
	Coins in 3 parking meters		2010-03-27
		Zena pose la question : There are 227 coins altogether in 3 parking meters. The second meter has 37 more coins than the first meter. The third meter has twice as many coins as the second. How many coins in each meter? Penny Nom lui répond.

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