document.write( "Question 940925: 16.) Find the slope of the line that is perpendicular to the line 3x-5y=20.\r
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Algebra.Com's Answer #573513 by MathLover1(20850)\"\" \"About 
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16.) \r
\n" ); document.write( "\n" ); document.write( "to find the slope of the line that is perpendicular to the line \"3x-5y=20\", first write this line in slope-intercept form \"y=mx%2Bb\" where \"m\" is a slope and \"b\" is y-intercept:\r
\n" ); document.write( "\n" ); document.write( "\"3x-5y=20\"....solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"3x-20=5y\"\r
\n" ); document.write( "\n" ); document.write( "\"3x%2F5-20%2F5=5y%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"%283%2F5%29x-4=y\" or\r
\n" ); document.write( "\n" ); document.write( "\"y=%283%2F5%29x-4\" \r
\n" ); document.write( "\n" ); document.write( "so, the slope of this line is: \"m=%283%2F5%29\"\r
\n" ); document.write( "\n" ); document.write( "the slope \"m%5Bp%5D\" of the line that is perpendicular to this line will have a slope negative reciprocal of the slope \"m=%283%2F5%29\" which is\r
\n" ); document.write( "\n" ); document.write( "\"m%5Bp%5D=-%281%2F%283%2F5%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m%5Bp%5D=-%285%2F3%29\"\r
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