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help me please i don't know what i'm doing please help






























-9
9

Help Me Please I Dont Know What Im Doing Please Help 9 9 class=
Help Me Please I Dont Know What Im Doing Please Help 9 9 class=
Help Me Please I Dont Know What Im Doing Please Help 9 9 class=

Sagot :

Answer: -1/9

Step by step explanation:

The common difference of an arithmetic sequence can be found by picking 2 consecutive terms, and subtracting the second from the first. For example, if I chose the terms 2 and 1 8/9, I would find the common difference by:

1 8/9 - 2, which is equal to -1/9.

You can confirm this by picking another pair of consecutive terms. Let's pick 1 7/9 and 1 2/3:

1 2/3 - 1 7/9 = -1/9, as 1 2/3 = 1 6/9, so 1 6/9 - 1 7/9 = -1/9