$$ z $$ varies directly as the square of $$ x $$ and inversely as the cube of $$ y $$. If $$ z=129 $$ when $$ x=9 $$ and $$ y=4 $$, find $$ z $$ if $$ x=7 $$. and $$ y=3 $$. Round your answer to two decimal places if necessary.

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Franklin Warren · Accepted Answer

The value of $$ z $$ when $$ x = 7 $$ and $$ y = 3 $$ is approximately 184.50.

\( z \) varies directly as the square of \( x \) and inversely as the cube of \( y \). If \( z=129 \) when \( x=9 \) and \( y=4 \), find \( z \) if \( x=7 \). and \( y=3 \). Round your answer to two decimal places if necessary.

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\( z \) varies directly as the square of \( x \) and inversely as the cube of \( y \). If \( z=129 \) when \( x=9 \) and \( y=4 \), find \( z \) if \( x=7 \). and \( y=3 \). Round your answer to two decimal places if necessary.

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