SOLUTION: The variable Z is directly proportional to X. When X is 3, Z has the value 54.
What is the value of Z when X = 12
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Question 981252: The variable Z is directly proportional to X. When X is 3, Z has the value 54.
What is the value of Z when X = 12
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
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
Formula:
Z = 18X
Z = 18(12)
Z = 216
Hope this helps:-)
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