document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=64360>Question 64360</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me solve this application?  I'm trying to solve applications involving parabolas.\r<BR>\n" );
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document.write( "The length of a rectangle is twice the width.  The area is 16m^2.  Find the length to the nearest hundredth of a meter.\r<BR>\n" );
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document.write( "Thanks<BR>\n" );
document.write( "Liz </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #45001 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=45001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is twice the width. The area is 16 m^2. Find the length to the nearest hundredth of a meter. <BR>\n" );
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document.write( "Let x = the width<BR>\n" );
document.write( "Then 2x = the length<BR>\n" );
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document.write( "Area: <BR>\n" );
document.write( "x*2x = 16<BR>\n" );
document.write( "2x^2 = 16<BR>\n" );
document.write( "x^2 = 16/2<BR>\n" );
document.write( "x^2 = 8<BR>\n" );
document.write( "x = SqRt(8)<BR>\n" );
document.write( "x = 2.828<BR>\n" );
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document.write( "Length = 2* 2.828 = 5.66 meters<BR>\n" );
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document.write( "Check 2.83*5.66 = 16.02 because of rounding off </SPAN>\n" );
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