Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Anikate

Find the sum of the geometric series 6+18+54+... to 6 terms.

  • one year ago
  • one year ago

  • This Question is Closed
  1. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    how?

    • one year ago
  2. Jonask
    Best Response
    You've already chosen the best response.
    Medals 0

    \[S_n=\frac{ a(r^n-1) }{ r-1 }\]

    • one year ago
  3. Jonask
    Best Response
    You've already chosen the best response.
    Medals 0

    \[a=6,r=3,n=6\]

    • one year ago
  4. DLS
    Best Response
    You've already chosen the best response.
    Medals 1

    S=a(r^n - 1) / (r - 1) =>6(3^6-1)/5

    • one year ago
  5. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    so what would u substitute? and where?

    • one year ago
  6. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    idk

    • one year ago
  7. DLS
    Best Response
    You've already chosen the best response.
    Medals 1

    why infinity?when it says 6 terms

    • one year ago
  8. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    y is a and n=6

    • one year ago
  9. DLS
    Best Response
    You've already chosen the best response.
    Medals 1

    a is the 1st term and n=the power which u wrote 6 urself

    • one year ago
  10. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    what do u mean by that? how did u find 6 fr n?

    • one year ago
  11. DLS
    Best Response
    You've already chosen the best response.
    Medals 1

    Find the sum of the geometric series 6+18+54+... to 6 terms. sum of the geometric series 6+18+54+... to 6 terms. geometric series 6+18+54+... to 6 terms. 6+18+54+... to 6 terms. 6 terms.

    • one year ago
  12. Anikate
    Best Response
    You've already chosen the best response.
    Medals 0

    oh ok thx

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.