Asked by Jnr John

If c varies directly as the square root of d, and c = 14 when d = 64, find c when d = 324.
Answered by Jay
"c varies directly as the square root of d" means:
c=k*sqrt(d)

plug in c=14, d=64 and solve for k.

then plug in 324 for d, and you will get your answer.
Answered by Cristine June Dayrit Pring
If c varies directly as the square root of d, and c = 14 when d = 64, find c when d = 324.
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