Mathematics, 18.10.2021 20:30 gedntrxAa
A section of the beach erodes 3/4 meter per year. The beach eroded for 8 years. By how many meters did the length of the beach change.
Answers: 2
Mathematics, 21.06.2019 16:30
Hi my sisters and brothers can tell me the answer because i don’t understand the question
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Mathematics, 21.06.2019 19:00
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
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
A section of the beach erodes 3/4 meter per year. The beach eroded for 8 years. By how many meters d...
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