document.write( "Question 853142: Write the equation of a line that is perpendicular to the given line and that passes through the given point.
\n" ); document.write( "x-10y=-21 ; (5,9)
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Algebra.Com's Answer #513913 by josgarithmetic(39617)\"\" \"About 
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m=-10 needed.
\n" ); document.write( "\"y-9=-10%28x-5%29\"
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