Mathematics, 28.11.2019 21:31 krissy1221
Last week it snowed 4.32 inches on monday and 6.86 inches on tuesday. it snowed 7.89 inches this week.
how much more did it snow last week than this week?
a.1.03inches
b.2.54 inches
c.3.29 inches
d.3.57 inches
Answers: 3
Mathematics, 21.06.2019 19:30
The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions
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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 21:10
For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=
Answers: 2
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