Mathematics, 02.03.2021 01:00 AalonsoCV
Ari read 28 pages of her book on Friday. On
Saturday, she read 20 more pages than she did
on Friday. What is the ratio of pages read Friday
night to Saturday night? Write the ratio in
simplest form.
Read the question very carefully, how many pages did she read on Saturday.
Hint: it is not 20
Answers: 1
Mathematics, 21.06.2019 18:30
Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 1
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
Ari read 28 pages of her book on Friday. On
Saturday, she read 20 more pages than she did
on...
on...
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