Working alone, Carlos can oil the lanes in a
bowling alley in five hours. Jenny can oil
the s...
Mathematics, 16.10.2020 20:01 stooopid
Working alone, Carlos can oil the lanes in a
bowling alley in five hours. Jenny can oil
the same lanes in nine hours. If they worked
together how long would it take them?
Answers: 3
Mathematics, 21.06.2019 19:30, ray2220
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)
Answers: 3