13 Solve each variation problem a) If y varies directly as , and y 9 when x 2, what is y when x 3 b) If P is inversely proportional to w, and P CO N when w , what is P when w 6 c) If J is jointly proportional to G and V, and J V3 when G V2 and V V8, what is J when G V6 and V 8 d) If y is directly proportional to u and inversely proportional to the square of v, and y 7 when u 9 and v 6, what is y when u 4 and V 8

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13  Solve each variation problem  a) If y varies directly as  , and y   9 when x   2, what is y when x    3  b) If P is inversely proportional to w, and P   CO  N when w    , what is P when w   6 c) If J is jointly proportional to G and V, and J   V3 when G   V2 and V   V8, what is J when G   V6 and V   8  d) If y is directly proportional to u and inversely proportional to the square of v, and y   7 when u   9 and v   6, what is y when u   4 and V   8

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13. Solve each variation problem. a) If y varies directly as >, and y = 9 when x = 2, what is y when x

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