document.write( "Question 974736: 1. The ratio of angle measures in a triangle is 5:12:19. What is the measure of the smallest angle?\r
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document.write( "2. What is the value of X?\r
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document.write( " x+3/12 = 6/x-3\r
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Algebra.Com's Answer #596592 by harpazo(655)![]() ![]() You can put this solution on YOUR website! I will solve number 2.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Repost number 1 for someone else to solve.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for x: x+3/12 = 6/x-3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cross-multiply to remove fractions.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(12)(6) = (x+3)(x-3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "72 = x^2 - 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = x^2 -9 -72\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = x^2 - 81\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = (x-9)(x+9)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set each factor to equal zero and Solve\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "individually for x.\r \n" ); document.write( "\n" ); document.write( "x-9 = 0\r \n" ); document.write( "\n" ); document.write( "x = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then x + 9 = 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 9 = 0\r \n" ); document.write( "\n" ); document.write( "x = -9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The values of x are -9 and 9.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |