Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of  has a resistance of  What would the resistance be for a  length, with diameter  of the same kind of wire ?

A. 402 ohms
B. 387.5 ohms
C. 390 ohms
D. 383 ohms


Answer: C

Mathematics

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A.
B.
C.
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Provide an appropriate response.Find the rate when the portion is $87 and the base is $480.

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Solve and graph the solutions. < 7

A.

B.

C.

D.

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