document.write( "Question 155157: Can someone help with the following word problem, I tried the quadratic equation but I am not getting any of the answers.\r
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document.write( "Thank you.\r
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document.write( "Hazel has a screen door whose height is 4 feet more than its width. She wishes to stabilize the door by attaching a steel cable diagonally. If the cable measures (sqrt 19)/2 ft, what are the dimensions of the door? (1 point)
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document.write( "A) 2 1/4 ft by 6 1/4 ft
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document.write( "B) 2 1/2 ft by 6 1/2 ft
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document.write( "C) 3 ft by 7 ft
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document.write( "D) 3 1/2 ft by 7 1/2 ft \n" );
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Algebra.Com's Answer #114232 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Hazel has a screen door whose height is 4 feet more than its width. She wishes to stabilize the door by attaching a steel cable diagonally. If the cable measures (sqrt 19)/2 ft, what are the dimensions of the door? (1 point) \n" ); document.write( "A) 2 1/4 ft by 6 1/4 ft \n" ); document.write( "B) 2 1/2 ft by 6 1/2 ft \n" ); document.write( "C) 3 ft by 7 ft \n" ); document.write( "D) 3 1/2 ft by 7 1/2 ft \n" ); document.write( "-------------------------------- \n" ); document.write( "Draw the picture. \n" ); document.write( "hypotenuse = [sqrt(19)]/2 ft. \n" ); document.write( "Width : x ft. \n" ); document.write( "height: x+4 ft. \n" ); document.write( "------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "x^2 + (x+4)^2 = [sqrt(19)/2] \n" ); document.write( "x^2 + x^2 + 8x + 16 = 19/4 \n" ); document.write( "2x^2 + 8x + 11.25 = 0 \n" ); document.write( "x = [-8 +- sqrt(64 - 4*2*11.25)]/4 \n" ); document.write( "x = [-8 +- sqrt(-26)]4\r \n" ); document.write( "\n" ); document.write( "Note: This value is not a Real Number. \n" ); document.write( "------------------------------ \n" ); document.write( "Something is wrong in the statement of your problem. \n" ); document.write( "----------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |