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The variable Z is directly proportional to X. When X is 3, Z has the value 54. Wha is the value of Z when X= 12

The variable Z is directly proportional to X. When X is 3, Z has the value 54. Wha is the value of Z when X= 12
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The variable Z is directly proportional to X. When X is 3, Z has the value 54. Wha is the value of Z when X= 12

User Kalib Zen
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1 Answer

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The variable Z is directly proportional to X
Z = kX (Where k is the constant of proportionality)
To find k
54 = k3

k = 54/3
k = 18

now find new Z


Z = 18X
Z = 18(12)
Z = 216

User Smartelf
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