Question

help with sigma problem and arithmetic sequences?

Answer 1

you have ot be able to read the notation and understand what its asking for

Answer 2

add up all the values of n/4 as n is defined from 3 to 7; in other words:\[\frac{3}{4}+\frac{4}{4}+\frac{5}{4}+\frac{6}{4}+\frac{7}{4}=?\]

Answer 3

ohhhh okay thanks!!

Answer 4

so would it be 25/4 ?

Answer 5

yes, or some version of that depending on the final answers form

Answer 6

okay :)

Answer 7

Since this is plain simple, do manually:
= (1/4) * ( 3 + 4 + 5 + 6 + 7) = 25/4