Question

Interpole 6 meios aritméticos entre 14 e 56.

a) (13, 19, 25, 31, 37, 43)
b) (20, 26, 32, 38, 44, 50)
c) (21, 26, 31, 36, 41, 46)
d) (19, 26, 33, 40, 47, 54)
e) (22, 28, 34, 38, 42, 46)

Answer 1

Resposta:

Explicação passo-a-passo:

an= a1 + (n-1) r

56= 14+(8-1)r

56-14= 7r

42= 7r

r= 42/7

r= 6

então a PA fica:

(14, 20, 26, 32, 38, 44, 50, 56)

sendo inseridos:

(20, 26, 32, 38, 44, 50)

letra  B)