Ask Question
19 December, 17:52

Is the sequence 5, 9, 15, an arithmetic sequence? Explain.

+4
Answers (1)
  1. 19 December, 17:54
    0
    If a, b, c is an arithmetic sequence then a + c = 2b

    a = 5, b = 9, c = 15

    subtitute

    a + c = 5 + 15 = 20

    2b = 2 · 9 = 18

    20 ≠ 18

    Answer: The sequence 5, 9, 15 is not an arithmetic sequence.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Is the sequence 5, 9, 15, an arithmetic sequence? Explain. ...” 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