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Is the sequence arithmetic? If so, identify the common difference.

11, 15, 19, 23, ...


Sagot :

Answer:

Yes, the common difference is 4

Step-by-step explanation:

In an arithmetic sequence, you are either adding or subtracting the same number.  In this case, you are adding 4 each time.  11+4=15   15+4=19   19+4=23