Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

find the arithmetic mean an of an-1=r, an+1=r+s

Nnesha (nnesha):

to find the mean of arithmetic the add first and last term divide by 2

Nnesha (nnesha):

do you know what is an -1 mean

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!