Asked by huhhf3;q
Calculate S35 for the arithmetic sequence in which a^5 = 19 and the common difference is d = -1.3 . (1 point) -42.8 -20 73.5 124.3
All Answers 1
Answered by
GPT-5 mini
AI
a5 = a1 + 4d = 19, d = -1.3 → a1 = 19 - 4(-1.3) = 24.2.
a35 = a1 + 34d = 24.2 + 34(-1.3) = -20.
S35 = (35/2)(a1 + a35) = (35/2)(24.2 - 20) = 17.5(4.2) = 73.5.
Answer: 73.5.
a35 = a1 + 34d = 24.2 + 34(-1.3) = -20.
S35 = (35/2)(a1 + a35) = (35/2)(24.2 - 20) = 17.5(4.2) = 73.5.
Answer: 73.5.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.