document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101307>Question 1101307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> express the statement as a formula that involves the given variables and a proportionality constant k, and then determine the value of k from the given conditions. a) s varies directly as t. if t=5, the s=18   b) y is directly proportional to x and inversely proportional to the square of z. if x= 4 and z=3, then y=16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715872 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=715872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> express the statement as a formula that involves the given variables and a proportionality constant k, and then determine the value of k from the given conditions. a) s varies directly as t. if t=5, the s=18 b) y is directly proportional to x and inversely proportional to the square of z. if x= 4 and z=3, then y=16<BR>\n" );
document.write( "a)<BR>\n" );
document.write( "s=kt<BR>\n" );
document.write( "18=5k<BR>\n" );
document.write( "k=18/5<BR>\n" );
document.write( "b)<BR>\n" );
document.write( "y=(kx)/z^2<BR>\n" );
document.write( "16=(4k)/3^2<BR>\n" );
document.write( "divide by 4<BR>\n" );
document.write( "4=k/9<BR>\n" );
document.write( "k=36\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );