SOLUTION: Find the three arithmetic means between 21 and 13.

SOLUTION: Find the three arithmetic means between 21 and 13.

Algebra.Com

Question 41707: Find the three arithmetic means between 21 and 13.
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Find the three arithmetic means between 21 and 13.
LET THE MEANS BE
21,P,Q,R,13
T5=13=21+(5-1)D=21+4D
4D=13-21=-8
D=-2
P=21-2=19
Q=19-2=17
R=17-2=15
RELATED QUESTIONS
Find the three arithmetic means between 21 and... (answered by fractalier)

Find the four arithmetic means between -21 and... (answered by Alan3354)

Find the four arithmetic means between 12 and -13. (answered by ikleyn)

Find the three arithmetic means between 18 and... (answered by stanbon,rapaljer)

Find the three arithmetic means between 5 and... (answered by stanbon)

Find the three arithmetic means between 12 and... (answered by ikleyn)

How do I find the two arithmetic means between -13 and... (answered by dfrazzetto)

Find three arithmetic means between -2 and... (answered by Edwin McCravy,mathstutor458)

Find three arithmetic means between -2 and... (answered by rfer)