Mathematics, 04.09.2020 22:01, bwjester0
Celeste went shopping at Barnes and Noble over the weekend. She bought 3 CD’s at x dollars, 2 DVD’s at $10 each, and a book that cost $15. Write an expression that shows how much Celeste spent during her trip to Barnes and Noble.
Answers: 2
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, 22.06.2019 02:10, gabrielolivas59
Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.
Answers: 1
Mathematics, 22.06.2019 05:10, gemiegenial15
Which is an equation of a circle with center (2, 7) and radius 4? (x - 7)2 + (y - 2)2 = 16 (x - 2)2 + (y - 7)2 = 4 (x – 2)2 + (y - 7)2 = 16 (x + 2)2 + (y + 7)2 = 4
Answers: 3
Celeste went shopping at Barnes and Noble over the weekend. She bought 3 CD’s at x dollars, 2 DVD’s...