Question

17 points please help thank you

Answer 1

Answer:

a30 = 96

Step-by-step explanation:

-20,-16,-12,-8,-4

We are adding 4 each time, which is the common difference

-20+4 = -16

-16+4 =-12

The formula for an arithmetic sequence is

an = a1 +d(n-1)  where a1 is the first term and 4 is the common difference

an = -20 +4(n-1)

We want the 30th term

a30 = -20+4(30-1)

a30 = -20 +4(29)

      = -20 +116

      = 96