waterjesus123647 waterjesus123647

23-02-2021
Mathematics

contestada

use the arithmetic sequence 12,15,18,21
Which is an equation for the nth term in the arithmetic sequence?
A.an=3n+9
B.an=12n+3
C.an=9n+3
D.an=n+3

Respuesta :

thimnaathimna206 thimnaathimna206

24-02-2021

Answer:

3n + 9

Step-by-step explanation:

t5= 3(5)+9

t6 = 3(6)+9

t7= 3( 7)+9

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