SOLUTION: Suppose z varies directly with x and inversely with the square of y. When x= 5 and y= 9, and z= 900. Find the equation of variation.
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Question 325284: Suppose z varies directly with x and inversely with the square of y. When x= 5 and y= 9, and z= 900. Find the equation of variation. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Suppose z varies directly with x and inversely with the square of y. When x= 5 and y= 9, and z= 900. Find the equation of variation.
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z = kx/y
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900 = k*5/9
k = 1620
z = 1620x/y is the equation
