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1. What are the next three terms in the sequence?-1 ,9 ,19 ,29 . . .

A. 38, 37, 32

B. 40, 51, 62

C. 39, 49 , 59

D. 38, 47, 562.

 What are the next three terms of the sequence?4, 8, 12, 16, ...

A. 20,24,30

B. 20,24,38

C. 20,22,26

D. 18,21,25

Sagot :

the answer for number 1 is C and the answer for number 2 is 20,24,28

Answer:

1. 39, 49, 59                          Option C

2. 20, 24, 28                        

Step-by-step explanation:

1.

-1, 9, 19, 29...

We will find the common difference.

d = 9 - (-1) = 19 - 9 = 10

So, we add 10 to find the next term.

-1, 9, 19, 29, (29+10), (29+10+10), (29+10+10+10)

-1, 9, 19, 29, 39, 49, 59

2.

4, 8, 12, 16, ...

We will find the common difference.

d = 8 - 4 = 12 - 8 = 4

So, we add 10 to find the next term.

4, 8, 12, 16, (16+4), (16+4+4), (16+4+4+4)

4, 8, 12, 16, 20, 24, 28

that's the final answer.

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