document.write( "Question 1079154: Your neighbors have just finished installing a new swimming pool at their home. The pool measures 15 feet by 20 feet. They would like to plant a strip of grass of uniform width around three sides of the pool, the two short sides and one of the longer sides. \r
\n" ); document.write( "\n" ); document.write( "a) Sketch a diagram of the pool and the strip of lawn, using x to represent the width of the uniform strip.\r
\n" ); document.write( "\n" ); document.write( "b) write an equation for the area, A, in terms of x that represents the lawn area around the pool.\r
\n" ); document.write( "\n" ); document.write( "c) Your neighbors have enough seed for 168 square feet of lawn. Write an equation that relates the quantity of seed to the area of the uniform strip of lawn.\r
\n" ); document.write( "\n" ); document.write( "d) Solve the equation in part c to determine the width of the uniform strip that can be seeded.
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Algebra.Com's Answer #693573 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
a) .
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\n" ); document.write( "b)\"X=%2816%2B2Y%29%2820%2B2Y%29-16%2A20\"
\n" ); document.write( "\"X=%2816%2B2Y%29%2820%2B2Y%29-320\"
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\n" ); document.write( "c) \"%2816%2B2Y%29%2820%2B2Y%29-320=168\"
\n" ); document.write( "\"320%2B32Y%2B40Y%2B4Y%5E2-320=168\"
\n" ); document.write( "\"4Y%5E2%2B72Y-168=0\"
\n" ); document.write( "\"Y%5E2%2B18Y-42=0\"
\n" ); document.write( "\"%28Y%5E2%2B18Y%2B81%29-42=81\"
\n" ); document.write( "\"%28Y%2B9%29%5E2=123\"
\n" ); document.write( "\"Y%2B9=0+%2B-+sqrt%28123%29\"
\n" ); document.write( "\"Y=-9+%2B-+sqrt%28123%29\"
\n" ); document.write( "Only the positive solution makes sense here,
\n" ); document.write( "\"Y=sqrt%28123%29-9\"\"ft\"\r
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