If x is the midpoint of -21 and 18, find the value of x.
midpoint =...
Mathematics, 07.10.2019 18:10 chicacrazy8338
If x is the midpoint of -21 and 18, find the value of x.
midpoint =
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
Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Mathematics, 22.06.2019 01:30
Meee i honestly dont know what this question talking about
Answers: 3
Mathematics, 22.06.2019 01:50
The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)
Answers: 3
Mathematics, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30
English, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30
World Languages, 11.01.2021 14:30
History, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30
Social Studies, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30
History, 11.01.2021 14:30
Mathematics, 11.01.2021 14:30