Mathematics, 29.03.2020 21:10 mriffell11
7. Mr Mathewson increased the amount of weight he lifted each morning from 80 pounds to 90 pounds By
what percentage did Mr. Mathewson increase the amount of weight he lifted?
A. 12.5%
B. 10%
C. 15%
D. 18.5%
Answers: 2
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The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
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7. Mr Mathewson increased the amount of weight he lifted each morning from 80 pounds to 90 pounds By...
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