the variable Z is invery proportional to X. when X is 3, Z has the value 6. what is the value of Z when X = 12
1 answer:
"inversely proportional," please.
z = k/x
When x is 3, z = 6; find k: 6 = k/3, or k = 18.
Then z = 18/x. When x = 12, z = 18/12 = 2/3 (answer)
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