SOLUTION: The strength of a beam varies directly as its width and the square of its depth. If the width changes by a factor of 2.2 and the depth changes by a factor of 1.5, determine the fac

Algebra ->  Rate-of-work-word-problems -> SOLUTION: The strength of a beam varies directly as its width and the square of its depth. If the width changes by a factor of 2.2 and the depth changes by a factor of 1.5, determine the fac      Log On


   

Question 1135434: The strength of a beam varies directly as its width and the square of its depth. If the width changes by a factor of 2.2 and the depth changes by a factor of 1.5, determine the factor by which the strength of the beam changes.
Found 2 solutions by greenestamps, josgarithmetic:
Answer by greenestamps(13216) About Me  (Show Source):
You can put this solution on YOUR website!


%282.2%29%2A%281.5%29%5E2

Use your calculator.

Answer by josgarithmetic(39631) About Me  (Show Source):
You can put this solution on YOUR website!
y, strength
w, width
d, depth
k, variation constant

y=k%2Aw%2Fd%5E2
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k=y%2Ad%5E2%2Fw
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