A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
badATalgebra
 3 years ago
What is the sum of a 17term arithmetic sequence where the first term is 7 and the last term is 105?
badATalgebra
 3 years ago
What is the sum of a 17term arithmetic sequence where the first term is 7 and the last term is 105?

This Question is Closed

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.2the formula for this is Sum = ( n/2){ a + l) whre n = number of terms , a = first term and l = last term

marsss
 3 years ago
Best ResponseYou've already chosen the best response.0(1057)/16=7(common difference) (105+7)(1057+7)/(14)=810

badATalgebra
 3 years ago
Best ResponseYou've already chosen the best response.0833 893 913 943 these are the choices

badATalgebra
 3 years ago
Best ResponseYou've already chosen the best response.0833, but i got a positvie

marsss
 3 years ago
Best ResponseYou've already chosen the best response.0yes i had a mistake. sorry :)
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.