document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050489>Question 1050489</A>: <I><SPAN STYLE=\"word-break: break-all;\"> z varies directly as x3 and inversely as y3.  If z = 132 when x = 9 and  y = 3, find z if x = 10 and y = 9. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666052 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=666052\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z varies directly as x^3 and inversely as y^3. <BR>\n" );
document.write( "z = k*x^3/y^3<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Solve for \"k\" if z = 132 when x = 9 and y = 3<BR>\n" );
document.write( "132 = k*(9^3)/(3^3)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "132 = k*3^3<BR>\n" );
document.write( "k = 4.89<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Find z if x = 10 and y = 9.<BR>\n" );
document.write( "z = 4.89*10^3/(9^3)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "z = 6.71<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );