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Frausteago
Answered

What is the 2nd arithmetic mean of the sequence 13 , __ , ___ , - 2

A. 3
B. 6
C. 8
D. 15

Sagot :

Lopezphoebejoygo

Answer:

8

Step-by-step explanation:

common difference = (13 - (-2)) = 15 divided by the 3 (spaces) = 5

13 - 5 = 8

8 - 3 = 3

3 - 5 = -2

therefore 13, 8, 3, -2

Angeloestorninos49go

Answer:

B. 6

Step-by-step explanation:

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