Question

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Answer 1

Hi

Answer 2

hi?

Answer 3

Sorry m new

Answer 4

hello

Answer 5

do you have a question???

Answer 6

How to run this sht

Answer 7

How to ask a question

Answer 8

Do you know the formula?

Answer 9

no

Answer 10

What this basically means is that the d=2 part is common difference so the difference between each number in the sequence is +2. If A1=20, we would just have to keep adding 2 until we get to A12. So since A1=20, A2=22, A3=24 and so on. Understand?

Answer 11

So plug Those things into the formula An=a1+d(n-1)

Answer 12

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ramen
What this basically means is that the d=2 part is common difference so the difference between each number in the sequence is +2. If A1=20, we would just have to keep adding 2 until we get to A12. So since A1=20, A2=22, A3=24 and so on. Understand?
\(\color{#0cbb34}{\text{End of Quote}}\)
I don't understand any of that

Answer 13

Plug those things into the formula I gave you, and solve. Tell me what you got as a result.

Answer 14

I don't know how to do that

Answer 15

An=a1+d(n-1)
So, D=2 plug 2 into "D" in the formula. Plug 20 into A1 since 20 equals A1 and plus in 12 where you see An

Answer 16

Plug*

Answer 17

12=20+2(n-1)

Answer 18

Great! Now, distribute the 2 into the parentheses (Distributive Property).

Answer 19

12=20+2(-1)

Answer 20

No, it would be 12= 20+(2n-2)

Answer 21

ok then what else would i have to do

Answer 22

Then combine like terms- 12= 2n+18

Answer 23

ok anything else

Answer 24

Then solve for N, tell me what you got once ou solve for N

Answer 25

12= 20+18

Answer 26

No, slove the 2 step equation

Answer 27

n=-3

Answer 28

Yes, good. That should be your answer.

Answer 29

thank you

Answer 30

No Problem!