document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=208781>Question 208781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if y varies jointly as x and the cube of z, and y=378 when x=4 and z=3, find y when x=9 and z=2.\r<BR>\n" );
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document.write( "A)y=283.5\r<BR>\n" );
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document.write( "B)y=84\r<BR>\n" );
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document.write( "C)y=567\r<BR>\n" );
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document.write( "D)y=252 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #157891 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=157891\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if y varies jointly as x and the cube of z, and y=378 when x=4 and z=3, find y when x=9 and z=2. <BR>\n" );
document.write( "A)y=283.5 <BR>\n" );
document.write( "B)y=84 <BR>\n" );
document.write( "C)y=567 <BR>\n" );
document.write( "D)y=252<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "y = kxz^3<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Find \"k\":<BR>\n" );
document.write( "378 = k*4*3^3<BR>\n" );
document.write( "k = 3.5<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = (3.5)xz^3<BR>\n" );
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document.write( "If x = 9 and z = 2 you get:<BR>\n" );
document.write( "y = (3.5)*9*(2^3)<BR>\n" );
document.write( "y = 252<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "PS: Reply to stanbon@comcast.net since the algebra.com<BR>\n" );
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document.write( " </SPAN>\n" );
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