Question

find the four arithmetic means between -21 and -36?

Answer 1

What you are looking for is the blanks of this sequence:

-21 ___ ___ ___ -36

Are you familiar with arithmetic sequences?

Answer 2

yes

Answer 3

Okay. Then what we have is term a1= -21 a5 = -36 and n = 5.

We need to determine the common difference then we can get the middle terms.

What can you do with this info?

Answer 4

i think i got it thanks