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	The extended real number system		2009-06-30
		Justin pose la question : Hi again, thanks a lot for answering my previous question! I was also just wondering again if the extended real number system has a potential or actual infinity because it includes positive infinity as a point that exists at the end of it? All the Best, Justin Robert Dawson lui répond.
	The surface area of a fire pit		2009-06-30
		eric pose la question : whatw is the square footage of the inside wall of a fire pit 2 feet deep and five feet in diameter? I need to estimate both the floor and wall square footage to order bricks. Robert Dawson and Harley Weston lui répond.
	A trig identity		2009-06-30
		sumayya pose la question : prove that sin A (1+tan A)+cos A (1+cot A)= sec A+ cosec A Robert Dawson lui répond.
	Finding an Acute Angle using Trigonometric Identities		2009-06-29
		Nazrul pose la question : How can I find the value of A if sinA-cosA=1 , where A is an acute angle. Stephen La Rocque lui répond.
	A boat goes up stream 30 miles and ...		2009-06-29
		Mohsin pose la question : A boat goes up stream 30 miles and down stream 44 miles in 10 hours. Again it goes up stream 40 miles and down stream 55 miles in 13 hours. Find the rates of the stream and of the boat. I am confused and unable to get an answer. Please help. Thanks Robert Dawson lui répond.
	Potential infinity and actual infinity		2009-06-29
		Justin pose la question : Hi there, I was just wondering what is the difference between the potential infinity and actual infinity in math? Thanks a lot for your help with this question! All the Best, Justin Robert Dawson lui répond.
	Coefficient thermal expansion of steel		2009-06-29
		roshni pose la question : Coefficient thermal expansion of steel is 0.00000645/in/in/deg F if F was C(celcius) then what is the answer Robert Dawson lui répond.
	Proportionality		2009-06-29
		Nazrul pose la question : If x is proportional to y and y is proportional to z , how can I prove that (x^2+y^2)^3/2 is proportional to z^3 Harley Weston lui répond.
	Integers and decimals in day to day life		2009-06-29
		mitichie pose la question : can you tell use of integers and decimals in our day to day life. Penny Nom lui répond.
	Coffee scoops per cup		2009-06-29
		charity pose la question : if my coffee machine takes 10 scoops for every six cups, how many scoops do i need for 4 cups. each scoops equals one tbls(.25 oz) Penny Nom lui répond.
	Designing a shelf		2009-06-28
		Bjorn pose la question : I'm putting up a shelf and thought I'd be nice and cut the sharp and pointy corners off. I want to the cut to be at a 45 degree angle, but I also want the exposed edge to be the same length as from the wall to the beginning of the cut -- so the end of shelf will look like the first two sides of an octagon. I've managed to construct the solution, but I haven't been able to calculate it... Please help! Stephen La Rocque lui répond.
	Eight golfers		2009-06-26
		E pose la question : Hello, We have a golf tournament. 8 players, 3 days, 2 fourballs per day. How can each player play with each other no more than twice, and at least once? Would like a speedy answer as we're going tomorrow! Thank you Laura Morrison lui répond.
	Height of a Flag Pole		2009-06-26
		Jake pose la question : Can anyone answer this I am very stumped. The flagpole on the roof of a Chocolate Factory is 13 cm in diameter and a perfect cylinder. If one end of a 2300-cm-long string is attached to the top of the flagpole, and wraps around the flagpole exactly 16 times before ending at the bottom of the flagpole, how tall is the flagpole? Need answer by Wednesday Penny Nom lui répond.
	Twelve golfers		2009-06-26
		Fred pose la question : Hello- There are twelve golfers in 3 foursomes for three days. Is there a combination of four man foursomes that allow for no duplicates? In other words, is there a formula to insure the greatest amount of variety in the foursomes. Looking at it math like you have 1,2,3,4,5,6,7,8,9,10,11,12 grouped into four numbers each for three days. So if your have the first day 1,2,3,4 in one group, 5,6,7,8 in the second and 9,10,11,12 in the third what can you do for the next two days to have the fewest duplicates or have the greatest variety in the foursomes? Thanks Karen Meagher and Victoria West lui répond.
	Investing in multiple accounts		2009-06-26
		Kenneth pose la question : Hello: If an investor has $1000.00 to invest in multiple accounts, and he wants a total return of 4%, is there one calculation that can be used to determine what these amounts could be even though there may be numerous amounts used as answers for most of the following examples? For example, Invest $1000.00 @ 2% and 5% for total return of 4%. Invest $1000.00 @ 2%, 3% and 5% for total return of 4%. Invest $1000.00 @ 2%, 3%, and 5% for total return of 4%. Invest $1000.00 @ 2%, 3%, 4% and 5% for total return of 4%. etc. Robert Dawson lui répond.

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