document.write( "Question 199141This question is from textbook
\n" ); document.write( ": America’s Cup. Since 1988 basic yacht dimensions for the
\n" ); document.write( "America’s Cup competition have satisfied the inequality
\n" ); document.write( "L 1.25+ radical symbol over S- 9.8 radical symbol with 3on the side and D under the sign this < underline, and 16.296 after underline< sign \r
\n" ); document.write( "\n" ); document.write( "where L is the boat’s length in meters (m), S is the sail area
\n" ); document.write( "in square meters, and D is the displacement in cubic meters
\n" ); document.write( "(www.sailing.com).Ateam of naval architects is planning to
\n" ); document.write( "build a boat with a displacement of 21.44 cubic meters (m3),
\n" ); document.write( "a sail area of 320.13 square meters (m2), and a length of
\n" ); document.write( "21.22 m. Does this boat satisfy the inequality? If the length
\n" ); document.write( "and displacement of this boat cannot be changed, then how
\n" ); document.write( "many square meters of sail area must be removed so that the
\n" ); document.write( "boat satisfies the inequality? \n" ); document.write( "
Algebra.Com's Answer #149673 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
L 1.25+ radical symbol over S- 9.8 radical symbol with 3on the side
\n" ); document.write( " and D under the sign this < underline, and 16.296 after underline < sign
\n" ); document.write( "where L is the boat’s length in meters (m), S is the sail area
\n" ); document.write( "in square meters, and D is the displacement in cubic meters
\n" ); document.write( "(www.sailing.com).Ateam of naval architects is planning to
\n" ); document.write( "build a boat with a displacement of 21.44 cubic meters (m3),
\n" ); document.write( "a sail area of 320.13 square meters (m2), and a length of
\n" ); document.write( "21.22 m. Does this boat satisfy the inequality? If the length
\n" ); document.write( "and displacement of this boat cannot be changed, then how
\n" ); document.write( "many square meters of sail area must be removed so that the
\n" ); document.write( "boat satisfies the inequality?
\n" ); document.write( ":
\n" ); document.write( "I think the formula should be
\n" ); document.write( "\"L+%2B+1.25sqrt%28S%29+-+9.8%28D%5E%281%2F3%29%29+%3C=+16.296\"
\n" ); document.write( "Substituting for L, S, D
\n" ); document.write( "\"21.22+%2B+1.25sqrt%28320.13%29+-+9.8%2821.44%5E%281%2F3%29%29\" =
\n" ); document.write( "21.22 + 1.25(17.892) - 9.8(2.778) =
\n" ); document.write( ":
\n" ); document.write( "21.22 + 22.365 - 27.225 = 16.36, slightly above 16.296
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "If the length and displacement of this boat cannot be changed,
\n" ); document.write( " then how many square meters of sail area must be removed so that the
\n" ); document.write( "boat satisfies the inequality?
\n" ); document.write( "16.36 - 16.296 = .064; the amt that it is over specs
\n" ); document.write( ":
\n" ); document.write( "Find the reduced sail area:
\n" ); document.write( "\"%28%2822.296+-.064%29%2F1.25%29%5E2\" = 316.3 sq/ft to meet the rule formula
\n" ); document.write( "That's a removal of 3.83 sq/ft
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check using this sail area
\n" ); document.write( "\"21.22+%2B+1.25sqrt%28316.3%29+-+9.8%2821.44%5E%281%2F3%29%29\" =
\n" ); document.write( "21.22 + 1.25(17.785) - 9.8(2.778) =
\n" ); document.write( ":
\n" ); document.write( "21.22 + 22.231 - 27.225 = 16.226, which is less than 16.296\r
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