SOLUTION: The variable Z is inversely proportional to X. When X is 5, Z has the value 2.2.
What is the value of Z when X = 12
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Question 981253: The variable Z is inversely proportional to X. When X is 5, Z has the value 2.2.
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 inversely proportional to X.
Z = k/X where k = factor of proportionality
To find k
2.2 = k/5
k = 2.2 x 5
k = 11
Formula:
Z = 11/X
Z = 11/12
Z = 0.92 (2 decimal places)
Hope this helps:-)
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