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Mathematics, 20.10.2020 01:01 kaitlyn114433
Which matrix represents the system of equations? 3x + y = -9 X + 5y = 16 O A. | 3 01 0 5 O B. 3 1 1 5 O C. 3 0 -9 0 5 16 0 D. 3 1 -9 1 5 16
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How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
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Which matrix represents the system of equations? 3x + y = -9 X + 5y = 16 O A. | 3 01 0 5 O B. 3 1 1...
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