document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346274>Question 346274</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a cylindrical chemical storage tank must have a height 4 meters greater than the radius of the top of the tank. Determine the radius of the top and the height of the tank if the tank must have a volume of 15.71 cubic meters. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #247672 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=247672\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a cylindrical chemical storage tank must have a height 4 meters greater than <BR>\n" );
document.write( "the radius of the top of the tank.<BR>\n" );
document.write( " Determine the radius of the top and the height of the tank if the tank must<BR>\n" );
document.write( " have a volume of 15.71 cubic meters.<BR>\n" );
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document.write( "Let r = the radius of the tank<BR>\n" );
document.write( "It says,\"must have a height 4 meters greater than the radius.\" therefore<BR>\n" );
document.write( "(r+4) = the height of the tank<BR>\n" );
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document.write( "Volume of a cylinder: V = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2%2Ah ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Therefore<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2%2A%28r%2B4%29 ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2%2A%28r%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 15.71<BR>\n" );
document.write( "divide both sides by pi, results<BR>\n" );
document.write( "r^2(r+4) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15.71%2Fpi ALIGN=MIDDLE  ALT=\"15.71%2Fpi\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r^3 + 4r^2 = 5<BR>\n" );
document.write( "r^3 + 4r^2 - 5 = 0 <BR>\n" );
document.write( "just from looking at this you know that r=1, then the height = 5<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check this<BR>\n" );
document.write( " V = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A1%5E2%2A%281%2B4%29 ALIGN=MIDDLE  ALT=\"pi%2A1%5E2%2A%281%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " v = 15.707 ~15.71 </SPAN>\n" );
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