document.write( "Question 183999: area of a sail. the area in square meters for a triangular sail is given by
\n" );
document.write( "A(x)=x^2+5x+6\r
\n" );
document.write( "\n" );
document.write( "A) find A(5).
\n" );
document.write( "b) If the height of the sail is x+3 meters, then what is the length of the base of the sail. \n" );
document.write( "
Algebra.Com's Answer #138319 by edjones(8007)![]() ![]() You can put this solution on YOUR website! A(x)=x^2+5x+6 \n" ); document.write( "A) A(5)=5^2+ 5*5 +6 \n" ); document.write( "=25+25+6 \n" ); document.write( "=56m^2 \n" ); document.write( ". \n" ); document.write( "B) \n" ); document.write( "A=.5ab \n" ); document.write( "56=.5(5+3)b I am assuming that x=5. If it doesn't then ignore this answer. \n" ); document.write( "4b=56 \n" ); document.write( "b=14m \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |