document.write( "Question 1167316: If y varies directly as x and y=−21 when x=40, find y if x=43. (Round off your answer to the nearest hundredth.) \n" ); document.write( "

Algebra.Com's Answer #791912 by josgarithmetic(39617) $\"\"$ $\"About$

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$\"y=kx\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"k=y%2Fx\"$ \r
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\n" ); document.write( "y=−21 when x=40
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\n" ); document.write( "\n" ); document.write( " $\"k=-21%2F40\"$ \r
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