Question

this is activities. ​

Answer 1

Answer:

a=t_1= 49,

d= -3,

t_n= t_1+ (n-1)d,

t_4= 40.

Explanation:

A.P= 49, ___, -5, -8, -11.

a=49,

t_n= t_1+ (n-1)d,

t_4= 49+(4-1)×(3)

t_4= 49+3(-3)

t_4= 49-9

t_4=40.