Mathematics, 06.12.2020 23:10, miguegen6225

(2.5x-9)+6x=-7 4(x-2)+x=-13

21=6-x-4x

and 5-11x=7(5-2x)

plz help fast

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, edjiejwi

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Answers: 1

continue

Mathematics, 21.06.2019 18:00, s108870

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Answers: 1

continue

Mathematics, 21.06.2019 18:00, SunsetPrincess

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Answers: 1

continue

Mathematics, 21.06.2019 20:30, cogger9348

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Answers: 1

continue

Do you know the correct answer?

(2.5x-9)+6x=-7 4(x-2)+x=-13

21=6-x-4x

and 5-11x=7(5-2x)

plz hel...