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	multiply = 3a - 3b by a+b		2008-07-15
		chaleen pose la question : multiply = 3a - 3b by a+b Penny Nom lui répond.
	How much sand do I order?		2008-07-15
		jackson pose la question : We would like to put 2 inches of sand down. The pool is 24 feet. How much sand will we need? The person we spoke to yesterday was talking in tons, but on these sites it is talking cubic yards or feet. Please help. We would like to get the sand ordered so we can get the pool up! Harley Weston lui répond.
	The length of an arc		2008-07-14
		Chris pose la question : trying to find the length of an arc or segment of a circle when the radius or circumference is unknown take a circle, put a line across the circle label it A /B /C A and C are the end points, B is the middle line length is 86. From B to the side of circle is 16. Label that point D need to find the length of A D C Penny Nom lui répond.
	A trig exercise		2008-07-14
		Carter pose la question : let cos B = a, find cos 2B and sin 2B in terms of a and hence confirm that cos^2 (2B) + sin^2 (2B) = 1 Harley Weston lui répond.
	n choose r equals n-1 choose r plus n-1 choose r - 1		2008-07-14
		fae pose la question : Prove that ( n ) = ( n – 1) + ( n - 1 ) ( r )         ( r )        (r-1) NOTE: the ( ) should be one for n taken r and so on. but there is no one big ( ) that will cater two lines Janice Cotcher lui répond.
	A reflected line segment		2008-07-14
		Peter pose la question : Segment AB has endpoints A(-1,2) and (3,1). Segment AB is reflected over the y-axis such that A becomes A' and B becomes B'. What is the positive difference between the lengths of segment AA' and segment BB'? Janice Cotcher lui répond.
	A silo with a flat side		2008-07-14
		Amy pose la question : Without using the Pythagorean Theorem, determine the capacity of a silo in cubic feet of grain if: the cylinder-shaped silo has one flat, rectangular face that rests against the side of the barn; the height of the silo is 30 feet and the face resting against the barn is 10 feet wide; the barn is approximately 5 feet from the center of the silo. Harley Weston lui répond.
	Like terms		2008-07-14
		Jana pose la question : Hello, i am a student in year 8 doing Algebra. My Teacher is doing a sheet with us and it asks us to find Like Terms. The Questions have sentences and you have to find the Like Term. I was wondering, does it matter when there is numbers that are different? are they still like terms? I'm really confused, i'll write out an example of the questions, so you know what i mean. It says to find the like terms: (1.) c- 3c + 7c (2.) 4x - 7x + 5x (3.) 3xy + 4 xy Penny Nom lui répond.
	Express as a function of x		2008-07-14
		Rita pose la question : Express the area A of an isosceles right triangle as a function of x of one of the two equal sides. NOTE: I always see the phrase "Express as a function of x" in math textbooks. What exactly does that phrase mean? I also have seen it written as "Express in terms of x." Penny Nom lui répond.
	The area of a triangle - no height given		2008-07-12
		phoenix pose la question : given triangle with angles 30,105 45 degrees. base = 2radical 2, no height given Penny Nom lui répond.
	Chords and arcs		2008-07-11
		Ronnie pose la question : We are trying to build a semi life size ark decoration , and we are trying to cut the sides out . The curved sides and we can't figure our radius , all we know is that our chord length is 24ft. any suggestions on how to find the radius or maybe even the arc length or circumference or diameter? Harley Weston lui répond.
	A Falling Rock		2008-07-11
		Rita pose la question : This question has 3 parts. If a rock falls from a height of 20 meters on the planet Jupiter, its height H (in meters) after x seconds is about H(x) = 20 - 13x^2 (a) What is the height of the rock when x = 1.2 seconds? (b) When is the height of the rock 15 meters? (c) When does the rock strike the ground? Thank you Janice Cotcher lui répond.
	Domain & Range of a Periodic Function		2008-07-11
		Michelle pose la question : The depth, w metres, of water in a lake can be modelled by the function, w=5sin(31.5n+63) +12 where n is the number of months since January 1, 1995. Identify and explain the restrictions on the domain and range of this function. Janice Cotcher lui répond.
	Mathematical induction		2008-07-11
		lyn pose la question : can you give me a basic example of a mathematical induction Harley Weston lui répond.
	A difference quotient		2008-07-10
		Rita pose la question : Find the difference quotient of f, that is, find [f (x + h) - f (x)]/h, where h does not = 0 for the given function. Be sure to simplify. f(x) = 1/(x + 3) Janice Cotcher lui répond.

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