Mathematics, 03.08.2019 17:30 Auriieee
If y varies jointly with x and z, and y = 200 when x = 8 and z = 10, what is x when y = 165 and z = 11? what is the value of k?
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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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If the scale factor between two circles is 2x/5y what is the ratio of their areas?
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If y varies jointly with x and z, and y = 200 when x = 8 and z = 10, what is x when y = 165 and z =...
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