document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031079>Question 1031079</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Can anyone help me solve this homework assignment? <BR>\n" );
document.write( " For an engine displacement of 2.8L, the function d(n)= (0.75)sqrt 2.8n can be used to determine the diameter of the carburetor's opening. d(n) is measured in millimeters and n= the number of revolutions per minute at which engine achieves peak performance. If carb is open 81 mm, at what rpm will the engine reach peak performance? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645816 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%28n%29=+%280.75%29sqrt%28+2.8n%29 ALIGN=MIDDLE  ALT=\"d%28n%29=+%280.75%29sqrt%28+2.8n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We want to know n when d(n) = 81<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81+=+%280.75%29sqrt%28+2.8n%29 ALIGN=MIDDLE  ALT=\"81+=+%280.75%29sqrt%28+2.8n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "divide each side by 0.5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81%2F0.75+=+sqrt%28+2.8n%29 ALIGN=MIDDLE  ALT=\"81%2F0.75+=+sqrt%28+2.8n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108+=+sqrt%28+2.8n%29 ALIGN=MIDDLE  ALT=\"108+=+sqrt%28+2.8n%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "square both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%5E2+=+2.8n ALIGN=MIDDLE  ALT=\"108%5E2+=+2.8n\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "divide each side by 2.8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%5E2%2F2.8+=+n ALIGN=MIDDLE  ALT=\"108%5E2%2F2.8+=+n\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4165.714+=+n ALIGN=MIDDLE  ALT=\"4165.714+=+n\"   DISABLED_style= \"max-width:90%; height:auto;\" > approximately      </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );