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Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
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Mathematics, 22.06.2019 00:40
Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25
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