If y is directly proportional to x^2 and inversely proportional to z and y=28 , x=7, z=2, then find y.
Carol H.
answered 07/31/18
Experienced Mathematics Tutor w/ Master's Degree in Math
y = 28. Perhaps you meant to find k.
y = kx2
z
28 = k(7)2
2
56 = 49k
8/7 = k
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