Ask Question
5 September, 23:40

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

+5
Answers (1)
  1. 6 September, 03:16
    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?
Get 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 there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers