Respuesta :

Answer:

Step-by-step explanation:

1,4,7,10

r=3

a1+10r=a11

a1+30=a11

a1=1

a11=31

Answer:

[tex]a1 = 1 \\ d = 4 - 1 = 3 \\ a11 = a1 + 10d \\ a11 = 1 + 10 \times 3 \\a11 = 1 + 30 = 31 \\ thank \: you[/tex]