Help 7th grade math!
...
Answers: 1
Mathematics, 21.06.2019 18:00, amshearer4719
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
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, gunnatvinson
If a line is defined by the equation y = 5x + 2, what is the slope?
Answers: 2
English, 27.05.2020 23:11
Mathematics, 27.05.2020 23:11
Mathematics, 27.05.2020 23:11
Mathematics, 27.05.2020 23:57
Mathematics, 27.05.2020 23:57