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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, 22.06.2019 05:30
What is the solution to the system of equations? 10x+3y=8 -9x-y=-20 (11, 1) (1, 11) (β1, 11) (11, β1)'
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Mathematics, 22.06.2019 08:00
State which of the following sets of ordered pairs represent a function.set a: (5,2), (4,3), (3, 4), (2,5)set b: (-1, -6), (0, 2), (1, 2), (3, 6)set c: (2, 1), (4, 2), (2, 3), (8, 4)a. set cb. set bc. set ad. set a and set b.
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