Question

interpolar 5 meios aritimeticos entre 6 e 30

Answer 1

a1= 6
an=30
n= 7
r=?
an =a1 + (n -1) r

30 = 6 + (7 - 1) r
30 = 6 + 6r
30-6 = 6r
24=6r
r= 4

{6[10,14,18,22,26]30}  resposta