SOLUTION: Insert 3 arithmetic means between -19 and 59. Use a formula and show your work. -19, _____, _____, _____, 59

Algebra ->  Sequences-and-series -> SOLUTION: Insert 3 arithmetic means between -19 and 59. Use a formula and show your work. -19, _____, _____, _____, 59       Log On


   



Question 601527: Insert 3 arithmetic means between -19 and 59.
Use a formula and show your work.
-19, _____, _____, _____, 59

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
We have -19, -19+r, -19+2r, -19+3r, -19+4r where -19+4r = 59. Solving for r, we get r = 39/2. Substitute r = 39/2 into the other terms.