Register
In an Arithmetic progression, if d= -4, n=7, an=4, then find a.​
179k views
3 votes
In an Arithmetic progression, if d= -4, n=7, an=4, then find a.​

User Amflare
by
3.1k points

1 Answer

9 votes

Answer:

a = 28

Explanation:


a_n = a + (n-1) d


4 = a + (7-1) (-4)


4 = a + 6 (-4)


4 = a - 24


4 +24= a


a = 28

User VenkatKA
by
3.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Simplify: 10 ÷ [(5 + 2) − 5]
WHAT IS 33 TIMES 5 TELL ME THE ANWER
A furniture store donated a percent of every sell to charity,The total sells were $8,200 so the store donated $164 What percent of $8200 was donated to charity.
What is 65 less than J
Link Copied!