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Mathematics, 21.06.2019 12:30
Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
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Mathematics, 21.06.2019 18:40
Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?
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Mathematics, 22.06.2019 04:00
If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.
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