Mathematics, 12.01.2021 21:50, KassandraVillegas
· Last year, Sara's piano teacher charged $40 per hour for private lessons. This year, the
teacher increased her rates by 10%. How much is the teacher charging per hour for
lessons this year?
Enter your answer in the boy
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 20:00, carltonwashington23
The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square
Answers: 1
Mathematics, 21.06.2019 22:30, azainababbas
Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25
Answers: 1
· Last year, Sara's piano teacher charged $40 per hour for private lessons. This year, the
teacher...
Mathematics, 19.05.2020 02:12