Question

medal and fan
the first term of an arithmetic sequence is 2 and the fourth term is 11. find the sum of the first 50 terms.

Answer 1

what are the choices

Answer 2

3775

Answer 3

i dont have any

Answer 4

okay give me a sec ok

Answer 5

The nth number in an arithmetic sequence = a+(n-1)d where a is the first term and d is the difference

The sum of the first n numbers in an A.P. is n/2(a+nth number)

Answer 6

\[\sum _{n=1}^{50} (3 n-1)=3775 \]

Answer 7

Robtobey i think that's right as well that's what i got @Data_LG2

Answer 8

awesome. thanks guys! everyone medal each other for a job well done! lol

Answer 9

what was the answer

Answer 10

the 3775

Answer 11

some one medal Jessmitz

Answer 12

From the Mathematica program:
Table[ 3n - 1, {n, 6} ]\[\{2,5,8,11,14,17\} \]

Answer 13

i was right awwwwwww yaaaa