Answered

if five arithmetic means are inserted between -20 and 22, what is the third mean

Sagot :

Leo16viz
-20, _, _, _, _, _, 22

[tex]22= -20 + (7-1) (d) \\ 42= 6 (d) \\ d= \frac{42}{6} \\ = 7[/tex]

-20 + 7= -13
-13 + 7= -6
-6 + 7= 1
1 + 7= 8
8 + 7= 15
15 + 7= 22


-20, -13, -6, 1, 8, 15, 22

Viz Other Questions