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12 articles trouvés pour ce sujet.

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	The price of a watermelon		2018-07-07
		errin pose la question : the price of the watermelon is directly proportional to its weight. If a watermelon that weighs 22 pounds cost $5.40, how much will a 17.5 pound watermelon cost? Penny Nom lui répond.
	The derivative of x^1/3		2015-11-08
		omar pose la question : hi can help me am teacher ask me about x^1/3 Derivation definition . Penny Nom lui répond.
	The train fares are proportional to the square root of distance traveled		2014-01-11
		manish pose la question : train fares are proportional to the sq .root of distance traveled. the train fare is Rs. 24.4 for a distance of 140 kms. by how much % does the total fare increase if the same distance is covered by breaking the journey after every 35 kms. Penny Nom lui répond.
	If 4 cooks can bake 8 pies in 6 hours?????		2013-03-18
		Kenneth pose la question : Hello: I want to determine which quantities are directly and inversely proportional in order to determine the answer for the following:. If 4 cooks can bake 8 pies in 6 hours, 2 cooks can bake how many pies in 4 hours? Answer: 2 2/3 pies Can someone fully explain what I need to know in order to determine what is directly and inversely proportional in the example above? I thank you for your reply. Robert Dawson lui répond.
	If x ix directly proportional to y then ...		2012-02-19
		Crystal pose la question : I understand that we say x and y are proportional, then y = kx. Generally when we say x is proportional to y, we think that when x increases y increases. Now I am questioning whether that is actually true. If k is negative, then when x increases, y DECREASES. My question is does this mean this statement is incorrect: If x is proportional to y, when x increases, y increases proportionally. Is it more correct to say: If x is proportional to y, when x increases, y either increases proportionally or decreases proportionally. Along the same line of reasoning, when x is inversely proportional to y, we think that when x increases y decreases, but that is true only if k is positive. Is that correct? Harley Weston lui répond.
	The derivative of f(x) = (x+1)^1/2		2011-09-05
		Carla pose la question : Find the derivative using the limit process of f(x) = (x+1)^1/2 Harley Weston lui répond.
	Using the limit definition		2010-06-06
		Meagan pose la question : Using the limit definition find the derivative of 3/(2x^2) Harley Weston lui répond.
	Direct, inverse and indirect proportionality		2009-03-04
		Brian pose la question : My 14 year old is confused about indirectly proportional and inversely proportional. On searching on the internet we were directed to: http://mathcentral.uregina.ca/QQ/database/QQ.09.00/ellis1.html Here leanne starts explaining indirectly proportional and ends up describing inversely proportional. Has Leanne got it wrong ? What is indirectly proportional. Thanks Brian Chris Fisher lui répond.
	y varies jointly as x and the square of z and...		2009-01-05
		peter pose la question : I don't really get the terms in this problem. Could you explain it: If y varies jointly as x and the square of z and inversely as the cube of w, by what factor is y increased when z is doubled and w is divided by 3 and x remains the same? Harley Weston lui répond.
	The derivative of f(x)=1/(x-1)		2007-09-21
		Michelle pose la question : im having trouble finding the derivative of f(x)=1/(x-1) using the f(x+h)-f(x)/h method. Stephen La Rocque lui répond.
	Direct variation		2007-05-07
		Jennifer pose la question : assume that y varies directly as x. find y when x = 54 if y =1/4 when x=3/2 Stephen La Rocque lui répond.
	Direct variation		2006-11-05
		Johann pose la question : The perimeter of regular octagon varies directly with the length of one side of the octagon Stephen La Rocque lui répond.

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