matthewryan15 matthewryan15

04-07-2020
Mathematics

contestada

Find the sum of the arithmetic series for which a_1 = 7, n = 31, and a_n = 127.

Respuesta :

gilbertazavedo72 gilbertazavedo72

04-07-2020

Answer: 2077

There are 31 terms.

S₃₁ = 31(a₁+a₃₁)/2 = 31(7+127)/2 = 2077

Answer Link

Otras preguntas

Two students measured the length of their desk each using a different meter stick. One student reported a length of 18 cm and the other reported a length of 82c

What organizations were created as a result of poor working conditions?

which recursive formula can be used to represent the sequence 2,5,8,11,14,.. a. a1=2 an-1=an+3 b. a1=0 an=an-1+3 c. a1=2 an=an-1-3 d. a1=2 an=an-1+3

Dmitri sends e-mail to eva marie, promising her a percentage of the amount in a foreign bank account if she will assist in transferring the funds to a u.s. bank

What does "e" stand for in y=e^x

What are the stems for the data set 54, 43, 58, 25, 67, 36, 61?

Why is it impossible for a function to have fewer values in its domain than in its range?

Evaluate the function fx = 4 * 7^t for x= -1 and x=2

a company made one of the largest single purchase of long distance telephone time in history. it purchased 49 million minutes at a total cost of $ 1,4

Al Capone made over _______________ bootlegging alcohol.