Mathematics, 12.02.2020 03:25 mvtthewisdead
Sophia and her brother combined to read a total of 40 books over summer. Sophia read four times as many books as her brother. How many books did each person read?
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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Sophia and her brother combined to read a total of 40 books over summer. Sophia read four times as m...
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