document.write( "Question 325306: Suppose z varies directly with x and inversely with the square of y. When x=5 and Y= 9,z= 900. Find the equation of variation. \n" ); document.write( "
Algebra.Com's Answer #232960 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose z varies directly with x and inversely with the square of y. \n" ); document.write( "--- \n" ); document.write( "z = kx/y^2 \n" ); document.write( "---- \n" ); document.write( "Find \"k\": using the following information. \n" ); document.write( "When x=5 and Y= 9,z= 900. \n" ); document.write( "--- \n" ); document.write( "900 = k*5/9^2 \n" ); document.write( "k= 900*81/5 = 14580 \n" ); document.write( "------------------------ \n" ); document.write( "Find the equation of variation. \n" ); document.write( "Equation: \n" ); document.write( "y = 14580x/y^2 \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |