Answer:
18.3 16.5 7.3 12.5
Step-by-step explanation:
Solve 2/3=11/x . Round to the nearest tenth. 18.3 16.5 7.3 12.5 hoped it worked
48 divided by 12 = 7
Because 12x7=48
Hope this helped!
A(n)=4+4(n-1)
a(n)=4+4n-4
a(n)=4n
76=4n
n=19
The sum of any arithmetic sequence (series are infinite) is:
(a+a(n))(n/2)
The average of the first and last terms times the number of terms, in this case we found that n=19 so:
19(4+76)/2=760
Answer:
Step-by-step explanation:
Hope this helps.
