document.write( "Question 919590: Define all variable in words.
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document.write( "Write two algebraic equations.
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document.write( "Solve the system of equation by substitution.
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document.write( "The area of A certain triangle is 56inches^2. The altitude of the triangle measures two inches less than double the measure of the base of that triangle. Please use algebraic method to determine:(A) measures of altitude of triangle? (B) measure of base of triangle. \r
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document.write( "Thank You!!1 \n" );
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Algebra.Com's Answer #557813 by stanbon(75887) ![]() You can put this solution on YOUR website! The area of A certain triangle is 56inches^2. The altitude of the triangle measures two inches less than double the measure of the base of that triangle. Please use algebraic method to determine: \n" ); document.write( "--- \n" ); document.write( "height = 2*base-2 \n" ); document.write( "Area = (1/2)(base)(height) \n" ); document.write( "56 = (1/2)(b)(2b-2) \n" ); document.write( "56 = (1/2)b(2)(b-1) \n" ); document.write( "56 = b(b-1) \n" ); document.write( "b^2 -b - 56 = 0 \n" ); document.write( "(b-8)(b+7) = 0 \n" ); document.write( "Positive solution:: \n" ); document.write( "base = 8 inches \n" ); document.write( "------- \n" ); document.write( "(A) measures of altitude of triangle? \n" ); document.write( "height = 2b-2 = 16-2 = 14 inches \n" ); document.write( "------------------------ \r \n" ); document.write( "\n" ); document.write( "(B) measure of base of triangle. \n" ); document.write( "base = 8 inches \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " \n" ); document.write( " |