Voici les articles les plus récents de notre base de données:
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	A sequence		2009-07-11
		jamie pose la question : what is the next number in the sequence and what is the relationship of the numbers? 36,16,20,10,12, _ Penny Nom lui répond.
	Two chords		2009-07-11
		Sarah pose la question : Two parallel chords in the same circle have lengths of 30 cm and 48 cm. The circle has a radius of 25 cm. How far apart are the chords? Penny Nom lui répond.
	Arc length		2009-07-10
		farhad pose la question : hi i need to measure length of arc by having only two measurements, first the length of the chord and the height of the curve. if i have a simple calculator that haven't sin cos tang (i want to calculate it in my mind) Stephen La Rocque lui répond.
	A trig identity		2009-07-10
		sam pose la question : I need to prove: tan x (cot x + tan x) = sec2 x (the "sec2" is "sec squared") I am totally stuck!! Thanks! Stephen La Rocque and Harley Weston lui répond.
	A circle and a chord		2009-07-10
		Paul pose la question : I have three known points. X1,Y1 = 0,0 X2,Y2 = 3,1 and X3,Y3 = 10,0. Given these three points, how do I find the height from the center of the 10' chord to the circle's circumference above? Stephen La Rocque and Harley Weston lui répond.
	A base 7 number and a base 9 number		2009-07-09
		koteawarao pose la question : Find a base 7 three-digit number which has its digits reversed when expressed in base 9. ans: (281) base 7 and (182) base 9 Harley Weston lui répond.
	Multiplying Large Numbers		2009-07-09
		Jessica pose la question : What is 12 billion X 6 trillion? Janice Cotcher lui répond.
	Multiplying Large Numbers		2009-07-09
		Jessica pose la question : What is 12 billion X 6 trillion? Janice Cotcher lui répond.
	Passwords		2009-07-08
		Tim pose la question : pretend I have a password that is - 9k7d4112p5o assuming that you continuously guessed wrong until that exact combination was the only possible answer left; how many times would you have to guess? capital letters are not relevant and you do not know how many digits there are Stephen La Rocque lui répond.
	Log_7 (4X) = Log_14 X		2009-07-08
		Mukulu pose la question : Help me with this question because i tried my level best to get the right answer but i failed Log_7 (4X) = Log_14X Stephen La Rocque lui répond.
	x^3+1/x^3=18*sqrt(3)		2009-07-08
		Nazrul pose la question : If x^3+1/x^3=18*sqrt(3) then how can I evaluate the value of x+1/x? Thank you for your help. Robert Dawson lui répond.
	The sides of a triangle		2009-07-08
		Susan pose la question : The second side of a triangle is 5ft more than the length of the first side. The third side of the triangle is 10ft less than the length of the first side. The perimeter of the triangle is 61ft. Find the lengths of each side of the triangle. Thank you so much! Penny Nom lui répond.
	A binary equation		2009-07-07
		Chinonyerem pose la question : Find a bitwise solution (i.e find xi so that each xi E {0,1}) to 32 = x1 + 2x2 + 4x3 + 9x3 + 20x5 Harley Weston lui répond.
	Fractional Exponents		2009-07-07
		bob pose la question : 2^5/2 - 2^3/2 Janice Cotcher lui répond.
	Sand for sandbags		2009-07-07
		Jerry pose la question : How much sand do I need to fill 750 sandbags that are 26 inches by 14 inches if I fill them at 60% of their full capacity?nad Janice Cotcher lui répond.

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