Topic: nw list of topics
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5 items are filed under this topic.

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	A 23 acre airport runway		2012-02-21
		From Ron: I have a 23 acre plot. If it were in a straight line, would it be enough distance for a plane to take off and land if the plane needed 1 mile? Answered by Robert Dawson and Penny Nom.
	Calculating rainwater volume		2006-12-30
		From Mark: Trying to calculate 1" rainfall on a 1000 sq' roof=how many gallons of water would collect in our cistern. Answered by Stephen La Rocque.
	How wide is this runway?		2006-04-27
		From Sam: A runway is 3.75 miles long and covers a total of 5.6 acres. What is the width of the runway? Answered by Stephen La Rocque.
	Compass points		2002-11-05
		From Mhairi: I was asked this in maths but I am not sure if it is geography. Name all the compass points? We have been given 8 but he told us there is more and we have to name them. Answered by Chris Fisher.
	Concavity		2000-10-22
		From Alex: the question is: on what interval is f(x)=(x2)(ex)? ive found the 2nd derivative which is ex(x2+4x+2) and i did the quadratic to get -2-20.5 and -2+20.5, but i dont know what the interval is. Answered by Harley Weston.

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