Find an equation of variation in which y varies inversely as x and the following is true.y = 5.25, when x = 0.32

A. y = 16.41x
B. y = 
C. y = 
D. y = 


Answer: D

Mathematics

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Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 7 miles per hour and Fred rides 5 miles per hour. In how many hours will they be 60 miles apart?

A. 6 hours B. 5 hours C. 4 hours D. Not enough information

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Multiply. ? 

A.
B.
C.
D. - 

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Factor the polynomial completely.10x5 - 10x

A. 10x(x2 + 1)(x + 1)(x - 1) B. 10x(x + 1)2(x - 1)2 C. 10x(x2 + 1)(x2 - 1) D. 10x(x2 + 1)2

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Multiply. Do not simplify. ? 

A.
B.
C.
D.

Mathematics