Mathematics, 27.09.2019 07:30, Ramann03

Mary wants to buy a bicycle that cost $280. her parents agreed to pay $100. mary will save $20 a week. write and solve an inequality to find how long it will take her to save enough money

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, cathyfrawley

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Answers: 3

continue

Mathematics, 21.06.2019 19:30, shanua

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Answers: 2

continue

Mathematics, 21.06.2019 20:10, sawyerharper

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Answers: 3

continue

Mathematics, 21.06.2019 20:50, brea2006

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Answers: 3

continue

Do you know the correct answer?

Mary wants to buy a bicycle that cost $280. her parents agreed to pay $100. mary will save $20 a wee...