document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199143>Question 199143</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073533490/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Sailboat speed. The sail area-displacement ratio S provides<BR>\n" );
document.write( "a measure of the sail power available to drive a<BR>\n" );
document.write( "boat. For a boat with a displacement of d pounds and a<BR>\n" );
document.write( "sail area of A square feet S is determined by the formula<BR>\n" );
document.write( "S = 16Ad-2/3.(-2/3 is the power or exponent whatever they want to call it)\r<BR>\n" );
document.write( "\n" );
document.write( "a) Find S to the nearest tenth for the Tartan 4100, which<BR>\n" );
document.write( "has a sail area of 810 square feet and a displacement of<BR>\n" );
document.write( "23,245 pounds.\r<BR>\n" );
document.write( "\n" );
document.write( "b) Write d in terms of A and S. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149685 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=149685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sailboat speed. The sail area-displacement ratio S provides<BR>\n" );
document.write( "a measure of the sail power available to drive a boat.<BR>\n" );
document.write( ": <BR>\n" );
document.write( "For a boat with a displacement of d pounds and a sail area of A square feet S<BR>\n" );
document.write( " is determined by the formula<BR>\n" );
document.write( ":<BR>\n" );
document.write( "S = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16A%28d%5E%28-2%2F3%29%29 ALIGN=MIDDLE  ALT=\"16A%28d%5E%28-2%2F3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "a) Find S to the nearest tenth for the Tartan 4100, which<BR>\n" );
document.write( "has a sail area of 810 square feet and a displacement of 23,245 pounds.<BR>\n" );
document.write( "S = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%2A810%2823245%5E%28-2%2F3%29%29 ALIGN=MIDDLE  ALT=\"16%2A810%2823245%5E%28-2%2F3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "S = 12960 * .00122776<BR>\n" );
document.write( "S = 15.9 knots<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b) Write d in terms of A and S.<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16A%28d%5E%28-2%2F3%29%29 ALIGN=MIDDLE  ALT=\"16A%28d%5E%28-2%2F3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = S<BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E%28-2%2F3%29 ALIGN=MIDDLE  ALT=\"d%5E%28-2%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%2F%2816A%29 ALIGN=MIDDLE  ALT=\"S%2F%2816A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "d =  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28S%2F%2816A%29%29%5E%28-3%2F2%29 ALIGN=MIDDLE  ALT=\"%28S%2F%2816A%29%29%5E%28-3%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );