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	The dimensions of a rectangle		2011-05-08
		yolanda pose la question : If the length of a rectangle is 3ft less than twice its width and the area of the rectangle is 54ft^2,what are the dimensions of the rectangle? Penny Nom lui répond.
	The volume of a triangular shaped aquarium		2011-05-07
		Jeff pose la question : HI, I searched the site but really couldn't find my answer, at least that I could understand! I have a triangular shaped aquarium ( think of a cube, except its an equal triangle shape). all 3 sides are 48 inches, and it is 34" tall. Can you please tell me what the volume is in gallons? Thanks! Penny Nom lui répond.
	A circle inscribed in a triangle		2011-05-07
		Aishwarya pose la question : The angles of a triangle are 50, 60, and 70 degrees, and a circle is touches the sides at A, B, C. Calculate the angles of the triangle ABC. Penny Nom lui répond.
	The game of 24		2011-05-06
		shaylin pose la question : how do you use 3,9,7,9 once in any operation equal to 24? Penny Nom lui répond.
	(4x-5)(3x+2)=0		2011-05-04
		Corina pose la question : solve: (4x-5)(3x+2)=0 Penny Nom lui répond.
	The linear thermal expansion of steel		2011-05-03
		Scot pose la question : Several questions on your site deal with the linear thermal expansion of steel. Such as how much will a piece of steel grow in length if it is heated. My question is similar but I would like to know if there is a different calculation to determine how much the diameter of a round bar will grow when heated. Can you tell me how I can calculate how the diameter of .500" round steel will increase for every degree of temperature change? If a bar is raised from 60 degrees F to 120 degrees F how much will the diameter change? Robert Dawson lui répond.
	An exclusion zone around a triangle II		2011-05-03
		Aishwarya pose la question : A long time ago Mr gibson found an island shaped as a triangle with three straight shores of length 3km, 4km and 5km. He declared an exclusion zone around his island and forbade anyone to come within 1km of his shore. What was the area of his exclusion zone? This question was answered but did not understand the explanation. Robert Dawson lui répond.
	A scale of 1:160		2011-05-02
		Dave pose la question : a 4 foot by 8 foot sheet of plywood is how many acres in a scale (1:160) Penny Nom lui répond.
	How many students are 25 and under?		2011-05-01
		ella pose la question : use the five steps of problem solving to answer the following question Enrollment at a local university is 8,500. There are one third as many students over the age of25. there are 25 and under. how many students are 25 and under and how many are 25 and older(p 5) Penny Nom lui répond.
	Three tangent circles		2011-05-01
		mark pose la question : Three circles of radii 24 cm, 32 cm, and 42 cm are externally tangent to each other (each is tangent to the other two). Draw a diagram and using the Law of Cosines find the largest angle of the triangle formed by joining their centres. Penny Nom lui répond.
	A trough of water		2011-05-01
		alvin pose la question : A trough is formed by nailing together, edge to edge, two boards 11 ft. in length, so that the right section is a right triangle. If a 15 gallon of water are poured into the trough and if the trough is held level so that a right section of water is an isosceles right triangle, how deep is the water? (231cu.in=1 gal.) Penny Nom lui répond.
	The nth term		2011-04-30
		Samantha pose la question : predict the general term, or the nth term, An for the sequence. 1/2,2/3,3/4,4/5,5/6 Penny Nom lui répond.
	The area of a rectangle		2011-04-30
		Hayley pose la question : A rectangles width is exactly twice its length. The area of the rectangle is 450 square feet. What are the length and width of the rectangle? Penny Nom lui répond.
	Why use percentiles?		2011-04-29
		Kenneth pose la question : I need some clarification regarding the word "percentile." Here is an example and what I know: If an investor had twenty stocks in his portfolio and five of those stocks paid an annual dividend of $200.00 or more, the five stocks are in the 25 percentile. Why is this word necessary? If my example and explanation is correct, why not simply indicate that 25% of his stocks paid an annual dividend of $200.00 or more? Penny Nom lui répond.
	Deciding where to bowl		2011-04-29
		ella pose la question : the bowling alley on wedge street charges $5.50 for shoe rentals plus $2.50 per game. lawerence bowing alley charges $4.00 shoe rentals and $3.00 per game . how many games should they bowl to make wedge street cheaper than lawerence street Penny Nom lui répond.

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