Question

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Answer 1

does 131 - 254 = 254 - 377 ??

Answer 2

Sorry i lost connection
And yes

Answer 3

then there is a common difference between terms ... what does this tell us about the sequence?

Answer 4

Oh! That -1.23 is added to each number in the sequence!

Answer 5

well, +1.23 yeah

Answer 6

oh okay lol :D
3.77+1.23=5.00

Answer 7

Thank you!

Answer 8

youre welcome :)

Answer 9

Have a blessed day/night! :)

Answer 10

thnx

Answer 11

Would you mind helping me with one more?

Answer 12

It's a similar question kinda

Answer 13

would i mind? prolly

Answer 14

lol

Answer 15

I'm guessing I would use the same formula.

(YAY! SS just came up again! Good job Admin team!)

Answer 16

lets call d the common difference:

a1 = -5 + 0d
a2 = -5 + 1d
a3 = -5 + 2d
a4 = -5 + 3d

notice that for every an, the difference is multiplied by n-1

Answer 17

when n = 10

a10 = -5 + 9d

and we know a10 = 13

so solve for d

Answer 18

YAY! :D

Answer 19

correct :)

Answer 20

Thanks again! God Bless! :D