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	Factorials		2017-07-27
		dinesh pose la question : Is there any shortcut formula for multiply series numbers. like 1x2x3x4x5.......x100 =? Penny Nom lui répond.
	A semi ellipse		2017-07-25
		Ian pose la question : The arch of the bridge is in the shape of semi ellipse,with its major axis at the water level.suppose the arch is 20ft. High in the middle,and 120 ft. Across its major axis. How high above the water level is the arch,at a point 20 ft.from the center (horizontally). Round of 2 decimal places Penny Nom lui répond.
	An arched window		2017-07-24
		Gerry pose la question : Looking to make a full size template for an arched window. Need increments every 16". The radius is 138' 0 9/16" , the chord is 226" and the rise at center of chord is 43" Penny Nom lui répond.
	Some 4 digit numbers		2017-07-24
		Camille pose la question : I need all of the 4 digit combinations that starts with number 3 and digits can't be repeated Penny Nom lui répond.
	3 consecutive multiples of 11		2017-07-22
		nisha pose la question : using the multiples formula shown at ypur site how can we solve finding 3 consecutive multiples of 11 whose sum is 363 Penny Nom lui répond.
	A police officer spots a speeding car		2017-07-20
		Josh pose la question : Marie, a police officer, spots a speeding car and starts chasing it. The speeding car travels at a speed of 130 feet per second. Marie's car reaches a constant speed of 145 feet per second 1725 feet from the start of the chase. During that time, the speeding car has traveled 3150 feet. Write a system of equations to represent this situation. Penny Nom lui répond.
	Catherine, Molly and Tom		2017-07-19
		liezel pose la question : what is the answer of this problem, If Catherine and molly has 320pesos altogether, Molly and tom have 360 in all. Tom and Catherine have 240pesos altogether.How much does each of them have? Penny Nom lui répond.
	((a-5)/a)/(4/a)		2017-07-18
		Michael pose la question : Find the Quotient: ((a-5)/a)/(4/a) Penny Nom lui répond.
	Parallel and Perpendicular lines		2017-07-17
		Karen pose la question : Find an equation for the line with the given properties. Perpendicular to the line 7x + 2y = -6; containing the point (-2, -1) Find an equation for the line with the given properties. Parallel to the line 5x - 3y =-6; x intercept = 3 Penny Nom lui répond.
	An arithmetic sequence		2017-07-17
		abbi pose la question : hi there im a student in 11 grade ive been trying to do this task but i have no idea how to do it the question is Find the common difference and the n^th term of the arithmetic sequence if the first term is 4 and the twentieth sum of the terms is 1030 Penny Nom lui répond.
	Squares and rectangles		2017-07-15
		Tront pose la question : So, there's a general rule that all squares are rectangles but not all rectangles are squares. Im trying to find a term that would describe this relationship. I've found that if all of A is B but not all B is A then I'd say that A is a subset of B, but is there a term that describes the relationship as a whole? I don't want to describe the components, I want to describe the relationship as a whole. Penny Nom lui répond.
	Two consecutive odd integers		2017-07-14
		Adeeb pose la question : Find two consecutive odd positive integers, sum of whose square is 290. Penny Nom lui répond.
	Exponential form		2017-07-06
		estela pose la question : what is exponential form of 9×1000 Penny Nom lui répond.
	Of cows and men		2017-07-04
		Akash pose la question : In a group of cows and man the number of legs is 32 more than the twice the number of heads.The number of cows is? Penny Nom lui répond.
	The equation of a circle		2017-07-03
		Chen pose la question : Find the center radius and equation of a circle in standard form given the following conditions: 1. Tangent to 3x+2y=0 at the point (0,0) and passing through (1,-1) and (6,0) Penny Nom lui répond.

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