We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
68
1
avatar+1197 

10, 8, 6, 4...

 

What is a20 in this arithmetic sequence?

 

A) -32

B) -30

C) -28

D) -26

E) -24

 Oct 2, 2019
 #1
avatar
+1

Nth term = F + D*(N - 1), where F = First term, D = Common difference, N = Term Number

20th term=10 + -2 * (20 - 1)

                  =10 - 2*19

                  =10 - 38

                  = - 28

 Oct 2, 2019

28 Online Users

avatar
avatar
avatar
avatar