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	An aircraft and a missile		2006-11-18
		Sarah pose la question : an aircraft is flying at a constant altitude with a constant speed of 600mph. an antiaircraft missile is fired on a straight line perpendicular to the flight path of the aircraft so that it will hit the aircraft at a point P. at that instant the aircraft is 2 miles from the impact point P the missile is 4 miles from P and flying at 1200 mph. at that instant, how rapidly is the distance between missile and aircraft decreasing? Stephen La Rocque lui répond.
	Calculating volume of concrete, dirt, sand, anything.		2006-11-17
		Debbie pose la question : [This article contains a special calculator to help you find the volume (for example, the cubic yards) of material required to fill (or empty) a space if you know the length, width and depth.] We are wanting to pour a 24'x30' slab that is 5" deep. How many cubic yards of cement do we need? Penny Nom lui répond.
	Wheat is poured on a conical pile		2006-11-17
		Rachel pose la question : wheat is poured through a chute at the rate of 10 cubic feet per minute and falls in a conical pile whose bottom radius is always half the altitude. how fast will the circumference of the base be increasing when the pile is 8 feet high? Penny Nom lui répond.
	My greatest digit is 9, ...		2006-11-17
		Tiffany pose la question : My greatest digit is a 9, but less than 900. I'm one more than a multiple of 10 and the sum of my digits is 12. Who am I? Penny Nom lui répond.
	What percent of the people oppose putting in curbs?		2006-11-17
		Dee-Dee pose la question : The ratio of people who support putting in curbs to those who oppose it is 2 to 5. what percent of the people oppose putting in curbs? Stephen La Rocque lui répond.
	The volume of a box		2006-11-16
		Sam pose la question : I have this box to mail and i would like to find out the cubic foot of the box.The W-52 -D-13- H- 37 inch cubic Penny Nom lui répond.
	Induction		2006-11-16
		John pose la question : Find a formula for 1/(1x3)+1/(2x4)+1/(3x5)...+1/(n(n+2)) by examining the values of this expression for small values of n. Use mathematical induction to prove your result. Penny Nom lui répond.
	Converting cubic meters to gallons and liters		2006-11-16
		Lorne pose la question : I have a large tank and I would like to know the formula for the conversion. And do you have any other info on web sites that have conversion tools as most of the tools are in u.s and I live in Canada and need the metric conversions. Stephen La Rocque lui répond.
	The roots of a quadratic equation		2006-11-16
		Lana pose la question : If p and q are the roots of 2X^2 +3X+7=0, compute pq^3+qp^3. thanks for your help. Penny Nom lui répond.
	Find the distance function s(t) given the acceleration function a(t)		2006-11-16
		David pose la question : Find the distance function s(t) of the acceleration function: a(t)= sin(0.1t)/ cos^3(0.1t) Penny Nom lui répond.
	An equation for a line		2006-11-16
		Jessica pose la question : (-3,4) m=undefined write an equation for each line given the slope and a point on the line. show your work Stephen La Rocque lui répond.
	How can half of 12 be 7?		2006-11-16
		Liz pose la question : How can half of 12 be 7? Steve La Rocque, Chris Fisher and Penny Nom lui répond.
	What is the highest number possible with 3 digits?		2006-11-16
		Liz pose la question : What is the highest number possible with 3 digits? The teacher said the answer is not 999 and that the question did not say "3-digit number." My answer then is 9 to the 99th power (written mathematically of course) as this uses "3 digits" and is obviously a huge number. Is this correct? Stephen La Rocque lui répond.
	The radius of an arch		2006-11-15
		Kelly pose la question : I am trying to achieve an arc height of .375 on the length of 17.375. Penny Nom lui répond.
	Yards of concrete		2006-11-15
		Tina pose la question : How many yards of concrete to cover a 20 x 100 area 4 inches deep? Penny Nom lui répond.

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