document.write( "Question 232909: The area in square meters for a triangular sail is given by A(x)=x^2+5x+6
\n" ); document.write( "Find A(5)? If the height of the sail is x+3 meters then what is the length of the base of the sail?
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Algebra.Com's Answer #172050 by edjones(8007)\"\" \"About 
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A(x)=x^2+5x+6
\n" ); document.write( "A(5)=5^2+5*5+6
\n" ); document.write( "=25+25+6
\n" ); document.write( "=56
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\n" ); document.write( "A=.5ab
\n" ); document.write( ".5(5+3)b=56
\n" ); document.write( "4b=56
\n" ); document.write( "b=14 m
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\n" ); document.write( "Ed
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