document.write( "Question 956192: If z varies directly with x and inversely with y and x=6, y=2, and z=15, find z when x=4 and y=9 \n" ); document.write( "
Algebra.Com's Answer #584182 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If z varies directly with x and inversely with y and x=6, y=2, and z=15, find z when x=4 and y=9 \n" ); document.write( "----------------- \n" ); document.write( "z = k*x/y \n" ); document.write( "---- \n" ); document.write( "Solve for \"k\" using \"x=6, y=2, and z=15\" \n" ); document.write( "----- \n" ); document.write( "15 = k*6/2 \n" ); document.write( "----- \n" ); document.write( "30 = 6k \n" ); document.write( "k = 5 \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "z = 5*x/y \n" ); document.write( "----------------------- \n" ); document.write( "find z when x=4 and y=9 \n" ); document.write( "z = 5*4/9 \n" ); document.write( "z = 20/9 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " |