document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132205>Question 132205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if y varies directly as to the square of x and inversely as z and y=40 when x=2 and z=1/2. Find y when x=3 and z=9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96587 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=96587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if y varies directly as to the square of x and inversely as z and y=40 when x=2 and z=1/2. Find y when x=3 and z=9<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "y = kx^2/z<BR>\n" );
document.write( "Find \"k\":<BR>\n" );
document.write( "40 =k(2^2)/(1/2)<BR>\n" );
document.write( "20 = 4k<BR>\n" );
document.write( "k = 5<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "y = 5x^2/z<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Find y when x=3 and z=9<BR>\n" );
document.write( "y = 5*(3^2)/9<BR>\n" );
document.write( "y = 5<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );