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Sonbull [250]
2 years ago
11

Insert two arithmetic means between -2 and 13. A. 1, 10 B. 3, 8 C. 2, 9 D. 4, 7

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
4 0
A1 = -2

a4 = 13

13 = -2 + d ( 4-1 ) 

13 = -2 + 3d

d = 15/3 = 5

a2 = -2 + 5 = 3

a3 =  3 + 5= 8 

3, 8  (B)


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