Mathematics, 03.02.2020 05:02 Jasten
You are standing 50 meters from a hot air balloon that is preparing to take off. the angle of the elevation to the top of the balloon is 28. find the height of the balloon
Answers: 3
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 20:30, marahkotelman
Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?
Answers: 1
Mathematics, 21.06.2019 21:30, brittanysanders
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
You are standing 50 meters from a hot air balloon that is preparing to take off. the angle of the el...
History, 05.11.2021 20:20
English, 05.11.2021 20:20
Mathematics, 05.11.2021 20:20
Mathematics, 05.11.2021 20:20
Mathematics, 05.11.2021 20:20