document.write( "Question 1018933: PLEASE NEED ANSWERS: and show work\r
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document.write( "1. 4. Use technology to determine an approximate solution to the system y =- 0.44x + 12.6 and y =- 7.21x – 55.6. Explain the procedure. PLEASE PROVIDE GRAPH\r
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document.write( "2. 1. Solve and verify each of the following systems of linear equations.\r
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document.write( " a. 5x – 2y =- 6 and 2x – y = 1\r
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document.write( " Answer:\r
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document.write( "b. 2x + 3y = 432 and 5x – 2y = 16\r
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document.write( "3. The numbers x and y have a sum of 1 and a difference of 11.\r
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document.write( " a. Write a system of equations to represent this information.\r
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document.write( " b. Solve the system of equations to determine the numbers.\r
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Algebra.Com's Answer #635051 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1. 4. Use technology to determine an approximate solution to the system y =- 0.44x + 12.6 and y =- 7.21x – 55.6. Explain the procedure. PLEASE PROVIDE GRAPH \n" ); document.write( "--- \n" ); document.write( "y =- 0.44x + 12.6 \n" ); document.write( "y =- 7.21x – 55.6 \n" ); document.write( "Since the both = y, \n" ); document.write( "-0.44x + 12.6 = -7.21x – 55.6 \n" ); document.write( "Add 7.21x \n" ); document.write( "6.77x + 12.6 = -55.6 \n" ); document.write( "Subtract 12.6 \n" ); document.write( "6.77x = 68.2 \n" ); document.write( "x = 68.2/6.77 \n" ); document.write( "-------------- \n" ); document.write( " 2. 1. Solve and verify each of the following systems of linear equations. \n" ); document.write( "5x – 2y =-6 \n" ); document.write( "2x – y = 1 \n" ); document.write( "---- \n" ); document.write( "Multiply the 2nd eqn by 2, then subtract. \n" ); document.write( "-------------- \n" ); document.write( " b. 2x + 3y = 432 and 5x – 2y = 16 \n" ); document.write( "Similar to 2a. \n" ); document.write( "================================= \n" ); document.write( " 3. The numbers x and y have a sum of 1 and a difference of 11 \n" ); document.write( " a. Write a system of equations to represent this information. \n" ); document.write( "x + y = 1 \n" ); document.write( "x - y = 11 \n" ); document.write( "----------------Add \n" ); document.write( " \n" ); document.write( " |