Mathematics, 05.01.2022 14:00 umezinwachukwuebuka1

For a school project, Tracy is investigating cell phone use in her hometown, Washington. So far, she has found that the residents of Washington used their cell phones for 179,580 minutes last year. This year, they used their cell phones for a total of 152,643 minutes. What is the percent of decrease in annual usage?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, gstevens

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Answers: 1

continue

Mathematics, 21.06.2019 14:00, Jofish5815

What is the simplified expression for 6(2(y+x))

Answers: 3

continue

Mathematics, 21.06.2019 18:20, sweetbri7p5v6tn

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a. x2 − 4x − 7 = 0b. 4r2 + 11r − 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0

Answers: 1

continue

Mathematics, 21.06.2019 23:30, itzia00

Solve for x and select the correct answer

Answers: 1

continue

You know the right answer?

For a school project, Tracy is investigating cell phone use in her hometown, Washington. So far, she...