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Solnce55 [7]
4 years ago
6

The variable Z is directly proportional to X, and inversely proportional to Y. When X is 3 and Y is 6, Z has the value 9.5. What

is value of Z when X =8, & Y= 12
********PLEASE HELP***************
Mathematics
1 answer:
jasenka [17]4 years ago
4 0
That the variable Z is directly proportional to X and inversely proportional to Y means Z = A (X/Y)

=> A = Z* Y / X

=> 9.5 * 6 / 3 = Z * 12 /8

=> Z = 9.5 * 8 * 6 / (3 * 12) = 12.67

Answer: 12.67
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