Mathematics, 10.03.2021 18:10 lariahsanchez
Mrs. Aldrich and Mrs. Brown are riding their bikes around
a circular path. Mrs. Aldrich completes a lap every 9
minutes. Mrs. Brown makes a lap every 12 minutes. If they
both start at the same place and time and go in the same
direction, how long will it be before they meet again at the
starting point?
Answers: 3
Mathematics, 21.06.2019 18:30
Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.
Answers: 2
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In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
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Mathematics, 22.06.2019 02:00
If p(x) is the total value of the production when there are x workers in a plant, then the average productivity of the workforce at the plant is a(x) = p(x) x . (a) find a'(x). a'(x) = xp'(x) − p(x) x a'(x) = xp'(x) − p(x) x2 a'(x) = p'(x) − p(x) x a'(x) = xp'(x) − p'(x) x2 a'(x) = p'(x) − xp(x) x2 why does the company want to hire more workers if a'(x) > 0? a'(x) > 0 ⇒ a(x) is ; that is, the average productivity as the size of the workforce increases. (b) if p'(x) is greater than the average productivity, which of the following must be true? p'(x) − xp(x) > 0 p'(x) − xp(x) < 0 xp'(x) − p'(x) > 0 xp'(x) − p(x) < 0 xp'(x) − p(x) > 0
Answers: 2
Mrs. Aldrich and Mrs. Brown are riding their bikes around
a circular path. Mrs. Aldrich completes a...
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