Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Hayatcakes

  • 3 years ago

1) What is the common ratio of the following geometric sequence? 5, 15, 45,…

  • This Question is Closed
  1. Kaederfds
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    r=3

  2. Hayatcakes
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    What are the next four terms in the following geometric sequence? 5, 15, 45

  3. Hayatcakes
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I just need help on the last fourth term.

  4. Hayatcakes
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    T4= ar^n-1 = 5*3^4-1 = 5*3^3 = 5*27 T4 = 135 T5= ar^n-1 = 5*3^5-1 = 5*3^4 = 5*81 T5 = 405 T6= ar^n-1 = 5*3^6-1 = 5*3^5 = 5*243 T6= 1215

  5. Kaederfds
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    5,15,45 a, ar, ar^2, ar^3,...

  6. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy