Mathematics, 17.03.2020 02:12 boo2023
Two stores opened on the same day. The profit for Store #1 is modeled by the equation f(x) =
3
2
x - 3. The profit for Store #2 is modeled by the equation g(x) = -
1
4
x + 4. On what day (x) was the profit from both stores the same?
A) 3
B) 4
C) 5
D) 6
Answers: 3
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An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?
Answers: 1
Mathematics, 21.06.2019 17:30
33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.
Answers: 1
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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 20:30
Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?
Answers: 1
Two stores opened on the same day. The profit for Store #1 is modeled by the equation f(x) =
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