Mathematics, 24.03.2021 21:10 diamondk2019

When 4 more than the square of a number r is multiplied by 2, the result is 80. If r > 0, what is the value of r?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, sjaybanks4067

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Answers: 2

continue

Mathematics, 21.06.2019 16:50, lucyamine0

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Answers: 1

continue

Mathematics, 21.06.2019 20:00, allycoops666666

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, Ap621765

In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d. what is the height of the tide after 93 hours?

Answers: 1

continue

You know the right answer?

When 4 more than the square of a number r is multiplied by 2, the result is 80. If r > 0, what is...