SOLUTION: find the following sum: 4+5.5+7+8.5+10+…+56.5 a) this is an arithmetic sum with a common difference, d=____ b) the nth term is 56.5. in order to find out what n is we use the gen

Algebra ->  Systems-of-equations -> SOLUTION: find the following sum: 4+5.5+7+8.5+10+…+56.5 a) this is an arithmetic sum with a common difference, d=____ b) the nth term is 56.5. in order to find out what n is we use the gen      Log On


   



Question 982146: find the following sum: 4+5.5+7+8.5+10+…+56.5
a) this is an arithmetic sum with a common difference, d=____
b) the nth term is 56.5. in order to find out what n is we use the general formula:
56.5=_____+(n-1)(1.5)

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The common difference is the difference between any two adjacent terms.

John

My calculator said it, I believe it, that settles it