Mathematics, 01.07.2019 15:30, croxy0514
David decided to go to the beach, so he jumped into his car and drove an average speed of 40 miles per hour. david's sister liz also wanted to go, but she had to wait until her favorite tv show ended. liz left 12 minutes after david. if liz drives at an average speed of 55 miles per hour, how far away from their home will she pass david? round to the nearest answer. a.) 1760 miles b.) 29 miles c.) 40 miles d.) liz will never pass david.
Answers: 1
Mathematics, 21.06.2019 19:30, santileiva123199
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
Answers: 1
Mathematics, 21.06.2019 20:30, oliwia0765
Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x
Answers: 2
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
Mathematics, 22.06.2019 03:00, madelyngv97
Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account
Answers: 2
David decided to go to the beach, so he jumped into his car and drove an average speed of 40 miles p...