Register
A sequence is represented by the formula an=-5+a(n-1). If a4 = 20, what is the 6th term in the sequence? PLEASE HELP!!​
8.7k views
4 votes
A sequence is represented by the formula an=-5+a(n-1). If a4 = 20, what is the 6th term in the sequence?

PLEASE HELP!!​

User Subhojit Mukherjee
by
7.6k points

1 Answer

7 votes

Answer:

10

Explanation:

Formula :

  • aₙ = -5 + aₙ₋₁

Finding a₅ :

  • a₅ = -5 + a₄
  • a₅ = -5 + 20
  • a₅ = 15

Finding a₆ :

  • a₆ = -5 + a₅
  • a₆ = -5 + 15
  • a₆ = 10
User Calco
by
8.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!