Question

I have three Algebra II, Arithmetic Sequences and Series questions that I'm stuck on.

Answer 1

use the Sn formula for arithmetic series

Answer 2

what it the first term for the first one?

Answer 3

1/2

Answer 4

then what is the common difference?

Answer 5

I'm not sure. I thought it was 1/2, but thats not the case.

Answer 6

why not?

Answer 7

why do you think it is not?

Answer 8

Oh never mind....

Answer 9

I'm not great at math...

Answer 10

I got 12.5 as the 25th term...

Answer 11

haha, what is essential is you learn. nobody is good at math for just some whims
ask and observe and learn.
let me ask you this question to get fron 1/2 to 1 what did we do and from 1 to 3/2 and so on

Answer 12

+1/2 or .5

Answer 13

Is the answer 25/2?

Answer 14

we are working towards that just bear okay haha

Answer 15

it is 1/2. each time you add 1/2.