A community for students.
Here's the question you clicked on:
 0 viewing
raytiller1
 2 years ago
What is the 20th term of the arithmetic sequence 2, –4, –10, … ?
raytiller1
 2 years ago
What is the 20th term of the arithmetic sequence 2, –4, –10, … ?

This Question is Closed

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0the formula for 'n'th term is a+(n1)d.....a is first term,d is common difference...,does this help?

mathsloser56
 2 years ago
Best ResponseYou've already chosen the best response.1the difference is 6. use the formula and 'a' is the first number of the sequence which is 2. help?

raytiller1
 2 years ago
Best ResponseYou've already chosen the best response.0this are my choices –130 –124 –118 –112

raytiller1
 2 years ago
Best ResponseYou've already chosen the best response.0@hartnn @mathsloser56

mathsloser56
 2 years ago
Best ResponseYou've already chosen the best response.1do the math, and youll find it.

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0did u put values in formula?its easy calculation...

raytiller1
 2 years ago
Best ResponseYou've already chosen the best response.0idk how to do it thats why i asked.. but thanks.

mathsloser56
 2 years ago
Best ResponseYou've already chosen the best response.1T(n) = a + (n1)d .use this formula for T(20)

mathsloser56
 2 years ago
Best ResponseYou've already chosen the best response.1a is the first number, 2 n is the \[n^{th}\] you want, which is 20 d is the common difference between the numbers, which is 6
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.