A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 one year ago
@Hero
anonymous
 one year ago
@Hero

This Question is Closed

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2The sum of an infinite geometric series is: \(\Large S_{\infty} = \dfrac{a_1}{1  r}\) where \(a_1\) is the first term, and r is the common ratio.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2We have \(a_1 = 40\), and \(r = \dfrac{3}{5} \) \(\Large S_{\infty} = \dfrac{a_1}{1  r}\) \(\Large S_{\infty} = \dfrac{40}{1  \frac{3}{5}} = \dfrac{40}{\frac{2}{5}} = \dfrac{40\times5}{2} = 100\)

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2You are correct.
Ask your own question
Sign UpFind more explanations on OpenStudy
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
 Engagement 19 Mad Hatter
 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.