Select the correct answer. What is the sum of the first 30 terms of this arithmetic sequence? 6, 13, 20, 27, 34, ... OA 3,225 OB. 3,255 OC. 3,325 OD. 3,525

Question

asked Feb 10, 2022 67.2k views

1 Answer

Trudi · Answer 1 · 2022-02-15T22:14:14+0000

Answer:

the answer is A. 3225

Explanation:

S₃₀ = 30/2 [ 2 x 6 + (30 - 1) x 7 ]

15 [ 12 + 29 x 7 ]

15 [ 12 + 203 ]

15 x 215

=3225