document.write( "Question 69253: The length of a rectangle is 4 cm more than 2 times its width. If the area of the rectangle is 74 cm2, find the dimensions of the rectangle to the nearest thousandth.\r
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document.write( "The answer that I have figured is w=5.165 and L=14.330 and I have no idea if this is correct. Can I get a little help with this problem. Thanks. \n" );
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Algebra.Com's Answer #49302 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! I WOULD SAY THAT YOU ARE RIGHT ON THE MONEY ON THIS PROBLEM. GOOD WORK!!!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let x= the width of the rectangle \n" ); document.write( "Then 2x+4=length of rectangle (4 cm more than twice the width)\r \n" ); document.write( "\n" ); document.write( "Area of rectangle =l*w=(2x+4)(x) so our equation to solve is:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We'll solve using the quadratic formula:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We'll discount the negative value for x\r \n" ); document.write( "\n" ); document.write( "CK\r \n" ); document.write( "\n" ); document.write( "Area = l*w=14.330*5.165=74.01~74 ---ok\r \n" ); document.write( "\n" ); document.write( "Hope this helps----ptaylor\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |