Ask Question
4 May, 01:21

What is the sum of a 58-term arithmetic sequence where the first term is 6 and the last term is 405?

11,097

11,508

11,919

12,330

+1
Answers (1)
  1. 4 May, 01:48
    0
    Given:

    58 - term

    first term : 6

    last term : 405

    Sum = n * (a+l) / 2

    Sum = 58 * (6 + 405) / 2

    Sum = 58 * 411/2

    Sum = 58 * 205.5

    Sum = 11,919
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the sum of a 58-term arithmetic sequence where the first term is 6 and the last term is 405? 11,097 11,508 11,919 12,330 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers