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Answered

insert 2 arithmetic means between 4 and 19

Sagot :

Answer:

9, 14

Step-by-step explanation:

a1 = 4

a4 = 19

a4 = a1 + (n-1) d

19 = 4 + (4-1) d

19 - 4  = 3d

15 = 3d

15/3 = d

5 = d

4, 9, 14, 19

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