document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=426473>Question 426473</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During summer heat a 6 mile bridge expands 6 feet in length. Assuming the bulge is in the center of the bridge and straight up, how high is the bulge?<BR>\n" );
document.write( "a)What is the exact height in feet using radicals as needed without simplifying?<BR>\n" );
document.write( "b)What is the height of the bulge in feet simplified using an integer or decimal rounded to the nearest thousandth? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #296739 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=296739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> During summer heat a 6 mile bridge expands 6 feet in length.<BR>\n" );
document.write( " Assuming the bulge is in the center of the bridge and straight up, how high is the bulge?<BR>\n" );
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document.write( "a)What is the exact height in feet using radicals as needed without simplifying?<BR>\n" );
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document.write( "A right triangle formed by half the bridge<BR>\n" );
document.write( "Find the number of ft in 3 miles: 3 * 5280 = 15840 ft, on a cold day<BR>\n" );
document.write( "The expansion on half the bridge will be 3 ft, on a hot day: 15843 ft<BR>\n" );
document.write( "Let x = height the bridge rises in the middle<BR>\n" );
document.write( "x^2 + 15840^2 = 15843^2<BR>\n" );
document.write( "x^2 = 15843^2 - 15840^2<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2815843%5E2+-+15840%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%2815843%5E2+-+15840%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2895049%29+ ALIGN=MIDDLE  ALT=\"sqrt%2895049%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft<BR>\n" );
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document.write( "b)What is the height of the bulge in feet simplified using an integer or decimal rounded to the nearest thousandth?<BR>\n" );
document.write( "x = 308.3 ft<BR>\n" );
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document.write( "That seems like a lot but, there's the math anyway. </SPAN>\n" );
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