Mathematics, 06.07.2020 06:01 jadensababe9151

For a long distance person to person telephone call a telephone company charges 0.91 for the first minute 0.58 for each additional minute and 2.74 a service charge. If the cost of a call is 5.39 how long did the person talk

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, Dreambig85

What is the measure of angle afe? 79 81 91 99

Answers: 3

continue

Mathematics, 21.06.2019 18:10, NeverEndingCycle

True or false look at the picture pls : /

Answers: 2

continue

Mathematics, 21.06.2019 19:30, 22emilyl530

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Answers: 2

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

You know the right answer?

For a long distance person to person telephone call a telephone company charges 0.91 for the first m...