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# Engine and engine are engines that move at the same speed and are the same length engine

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80 seconds to completely travel a distance of 1440 meters while Engine 2 took 100 seconds to completely travel a distance of 1700 meters. If Engine 1 is X meters long and Engine 2’s speed is Y meters per second, what is X + Y?
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80 seconds to completely travel a distance of 1440 meters while Engine 2 took 100 seconds to completely travel a distance of 1700 meters. If Engine 1 is X meters long and Engine 2’s speed is Y meters per second, what is X + Y?
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the performance of old and new technology by testing hypothesis that ‘new technology shows higher performance’ with 5 percent level of significance. Suppose variances of two technologies’ performance are equal. (30 points) Engine No Life (1,000 miles) Engine No Life (1,000 miles) 1 95 8 101 2 91 9 103 3 98 10 99 4 100 11 107 5 102 12 97 6 91 13 98 7 90 14 91
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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