document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163751>Question 163751</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this question.  I am having a hard time knowing even where to start...<BR>\n" );
document.write( "Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=Cr%5E-2 ALIGN=MIDDLE  ALT=\"w=Cr%5E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > true. (Sea level is 3,963 miles from the center of the earth)\r<BR>\n" );
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document.write( "Thank You </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120688 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=120688\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation w=Cr^-2 true. (Sea level is 3,963 miles from the center of the earth) <BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%2Ar%5E-2 ALIGN=MIDDLE  ALT=\"C%2Ar%5E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = w<BR>\n" );
document.write( "Replace w with 100 and r = 3963<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+%2A+3963%5E-2 ALIGN=MIDDLE  ALT=\"C+%2A+3963%5E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 100<BR>\n" );
document.write( "the reciprocal gets rid of the neg exponent<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%2F3963%5E2 ALIGN=MIDDLE  ALT=\"C%2F3963%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 100<BR>\n" );
document.write( "C = 3963^2 * 100<BR>\n" );
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document.write( "C = 157053369 * 100<BR>\n" );
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document.write( "C = 15,705,336,900<BR>\n" );
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document.write( "Check this in a calc: enter: 15705336900 * 3963^-2 = 100 </SPAN>\n" );
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