document.write( "Question 1071771: z varies jointly with x and y, where x=2, y=3 and z=12. Write an equation relating x,y, and z. Use the equation to then find z when x=2 and y=3 \n" ); document.write( "
Algebra.Com's Answer #686706 by josgarithmetic(39617)\"\" \"About 
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\"z=kxy\"\r
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\n" ); document.write( "\n" ); document.write( "\"k=z%2F%28xy%29\"\r
\n" ); document.write( "\n" ); document.write( "\"k=12%2F%282%2A3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28k=2%29\"\r
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\n" ); document.write( "\"highlight%28z=2xy%29\"
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