If x varies inversely as y and y varies directly as z, wh...
If x varies inversely as y and y varies directly as z, what is the relationship between x and z?
x α z
x α 1z
a α z2
x α 1z2
Correct answer is B
x∝1y, y ∝ z
x = ky
y = mz
Since y = mz,
x = kmz, where k and m are constants. Hence,
x ∝ 1z
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