Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
nomad96
Group Title
What is the sum of a 30term arithmetic sequence where the first term is 72 and the last term is 102?
A. 480
B. 450
C. 420
D. 390
 one year ago
 one year ago
nomad96 Group Title
What is the sum of a 30term arithmetic sequence where the first term is 72 and the last term is 102? A. 480 B. 450 C. 420 D. 390
 one year ago
 one year ago

This Question is Closed

AravindG Group TitleBest ResponseYou've already chosen the best response.1
sum =n/2(first term +last term)
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
Here n=30 .You know the first and last terms
 one year ago

nomad96 Group TitleBest ResponseYou've already chosen the best response.0
30/2*72+102?
 one year ago

yashdhanuka Group TitleBest ResponseYou've already chosen the best response.0
450 :D
 one year ago

nomad96 Group TitleBest ResponseYou've already chosen the best response.0
Thats what I got! Thanks!
 one year ago

yashdhanuka Group TitleBest ResponseYou've already chosen the best response.0
anytime :)
 one year ago
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
 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.