document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=148073>Question 148073</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular field is fenced in by using a river as one side . If 2500 m<BR>\n" );
document.write( "of fencing are used for the 720,000-m2 field , what are its dimensions?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108465 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108465\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> length=L<BR>\n" );
document.write( "width=W\r<BR>\n" );
document.write( "\n" );
document.write( "LW=720000\r<BR>\n" );
document.write( "\n" );
document.write( "2L+W=2500\r<BR>\n" );
document.write( "\n" );
document.write( "then\r<BR>\n" );
document.write( "\n" );
document.write( "L(2500-2L)=720000\r<BR>\n" );
document.write( "\n" );
document.write( "-2L^2+2500L-720000=0\r<BR>\n" );
document.write( "\n" );
document.write( "2L^2-2500L+720000=0\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+%282500+%2B-+sqrt%28+2500%5E2-4%2A2%2A720000+%29%29%2F%282%2A2%29+ ALIGN=MIDDLE  ALT=\"L+=+%282500+%2B-+sqrt%28+2500%5E2-4%2A2%2A720000+%29%29%2F%282%2A2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+%282500+%2B-+sqrt%28490000+%29%29%2F%284%29+ ALIGN=MIDDLE  ALT=\"L+=+%282500+%2B-+sqrt%28490000+%29%29%2F%284%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+%282500+%2B-+700%29%2F%284%29+ ALIGN=MIDDLE  ALT=\"L+=+%282500+%2B-+700%29%2F%284%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=\r<BR>\n" );
document.write( "\n" );
document.write( "L=800 or L=450\r<BR>\n" );
document.write( "\n" );
document.write( "then L=800 and W=900<BR>\n" );
document.write( "or<BR>\n" );
document.write( "L=450 and W=1600\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );