Question

Interpole 7 meios aritméticos entre 15 e 63

Answer 1

Boa tarde!

_________

a1 → 15

An → 63

N → 2+7 = 9

_________

An=a1+(n-1)·r

63=15+(9-1)·r

63=15+8r

63-8r=15

-8r=15-63

-8r=-48 (-1)

8r=48

r=48/8

r=6

_________

P.A;

(15, 21, 27, 33, 39, 45, 51, 57, 63)

_________

Att;Guilherme Lima