Mathematics, 04.01.2020 01:31 amulets8409
A hot-air balloon is 140 ft140 ft above the ground when a motorcycle (traveling in a straight line on a horizontal road) passes directly beneath it going 60 mi divided by hr60 mi/hr (88 ft divided by s88 ft/s). if the balloon rises vertically at a rate of 14 ft divided by s14 ft/s, what is the rate of change of the distance between the motorcycle and the balloon 10 seconds10 seconds later?
Answers: 3
Mathematics, 21.06.2019 19:00, stephaniem0216
Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
Answers: 1
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
Mathematics, 21.06.2019 23:50, ChessieGiacalone
How are algebraic expressions evaluated using substitution?
Answers: 1
A hot-air balloon is 140 ft140 ft above the ground when a motorcycle (traveling in a straight line o...
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