Question

what is the 30th term of the arithmetic series 3,7,11....?

Answer 1

199

Answer 2

how do you figure it out?

Answer 3

An = A1 + (n - 1)d

Answer 4

Just sub values into that

Answer 5

n = 30
A1 = 3
and d = 4

Answer 6

how do you know what numbers go where?

Answer 7

Go over the lesson.

Answer 8

n is the term you are solving for (30)

Answer 9

d is the difference. Just subtract 7 - 3

Answer 10

A1 is the beginning number

Answer 11

ok well thank you very much :)

Answer 12

Do I get a medal?
np(:

Answer 13

a what? lol

Answer 14

Just click on the blue "Best Response" button :P

Answer 15

ok did it :) yay you!