The solution set for -18 x
-3 > x
3 < x
-3 < x
-3 < x...
Answers: 3
Mathematics, 21.06.2019 19:30
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
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
Answers: 2
Mathematics, 21.06.2019 20:40
Askate shop rents roller skates as shown on the table below. which graph and function models this situation?
Answers: 1
Mathematics, 21.12.2020 04:50
Physics, 21.12.2020 04:50
History, 21.12.2020 04:50
Mathematics, 21.12.2020 04:50
Physics, 21.12.2020 04:50
History, 21.12.2020 04:50
Mathematics, 21.12.2020 04:50
Mathematics, 21.12.2020 04:50
Mathematics, 21.12.2020 04:50