document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126621>Question 1126621</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much artificial turf should be purchased to cover an athletic field that is in the shape of a trapezoid with a height of H = 17 m and bases that measure T = 47 m and B = 39 m?\r<BR>\n" );
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document.write( "The path of water from a hose on a fire tugboat can be approximated by the equation<BR>\n" );
document.write( "y = &#8722;0.0055x2 + 1.25x + 15,<BR>\n" );
document.write( "where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 7 feet above the ocean, at what distance from the tugboat is it? Round answer to nearest hundredth </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743082 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=743082\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much artificial turf should be purchased to cover an athletic field that is in the shape of a trapezoid with a height of H = 17 m and bases that measure T = 47 m and B = 39 m? <BR>\n" );
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document.write( "the area of a trapezoid = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%2F2 ALIGN=MIDDLE  ALT=\"h%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >(a + b)<BR>\n" );
document.write( "A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=17%2F2 ALIGN=MIDDLE  ALT=\"17%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >(47 + 39)<BR>\n" );
document.write( "A = 8.5 * 86<BR>\n" );
document.write( "A = 731 sq/m<BR>\n" );
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document.write( "The path of water from a hose on a fire tugboat can be approximated by the equation<BR>\n" );
document.write( "y = &#8722;0.0055x^2 + 1.25x + 15,<BR>\n" );
document.write( "where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat.<BR>\n" );
document.write( " When the water from the hose is 7 feet above the ocean, at what distance from the tugboat is it?<BR>\n" );
document.write( " Round answer to nearest hundredth.<BR>\n" );
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document.write( "-.0055(x^2) + 1.25x + 15 = 7 <BR>\n" );
document.write( "-.0055x^2 + 1.25x + 15 - 7 = 0<BR>\n" );
document.write( "-.0055x^2 + 1.25x + 8 = 0<BR>\n" );
document.write( "Use quadratic formula: a=-.0055; b=1.25; c=8<BR>\n" );
document.write( "I got a positive solution of:<BR>\n" );
document.write( "x = 233.50 feet from the Tugboat </SPAN>\n" );
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