Question

interpole sete meios aritméticos entre os nemeros 11 e 35

Answer 1

a1 = 11
an = 35
n = 9
r = ?

an = a1 + (n - 1).r
35 = 11 + (9 - 1).r
8r = 35 - 11
8r = 24
r = 24/8
r = 3

P.A (11, 14, 17, 20, 23, 26, 29, 32, 35)

Resposta: P.A (11, 14, 17, 20, 23, 26, 29, 32, 35)