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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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Mathematics, 21.06.2019 22:00
Two numbers have a sum of -19. one number is x. what expression represents the other number?
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Mathematics, 22.06.2019 00:00
Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your
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Mathematics, 22.06.2019 00:10
What 8/12+8/11 in another way than and improper fraction
Answers: 2
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