👤

What is the 9th term of the arithmetic sequence 20,17,14,11?​

Sagot :

Answer:

[tex] {a}^{9} = - 1[/tex]

Answer:

Problem:

Find the formula for nth term of each arithmetic sequence 20,17,14,11

Answer:

An = 23 - 3n

Step-by-step explanation:

Formula:

An = A1 + (n - 1)d

Find the formula:

Given:

A1 = 20

d = -3

An = ?

Solve for nth formula:

An = A1 + (n - 1)d

An = 20 + (n - 1)-3

An = 20 - 3n + 3

An = 23 - 3n

Carry on learning