document.write( "Question 1161282: The height of a telephone line is given by the equation
\n" ); document.write( "h=x^2/7 +55, where h is the height of the telephone line and x is the
\n" ); document.write( "distance from the lowest part of the line to a telephone pole. If the
\n" ); document.write( " line hooks onto the pole at a height of 250 feet, what is the distance
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Algebra.Com's Answer #784812 by ikleyn(52781)\"\" \"About 
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document.write( "\"x%5E2%2F7\" + 55 = 250\r\n" );
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document.write( "\"x%5E2%2F7\" = 250 - 55 = 195\r\n" );
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document.write( "\"x%5E2\" = 195*7 = 1365\r\n" );
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document.write( "x = \"sqrt%281365%29\" = 36.946.\r\n" );
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document.write( "It is half of the distance between the poles;  \r\n" );
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document.write( "so the whole distance between poles is 2*36.946 = 73.89 feet (rounded as requested).    ANSWER\r\n" );
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