Given that x is directly proportional to y and inversely ...
Given that x is directly proportional to y and inversely proportional to Z, x = 15 when y = 10 and Z = 4, find the equation connecting x, y and z
x = 6yz
x = 12yz
x = 3yz
x = 3y2z
Correct answer is A
x x yz
x = kyz
15 = 10k4
6010 = k = 6
Therefore; x = 6yz
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