Find the sum of the first 9 terms of the following sequence. Round to the nearest hundredth if necessary.
16
12, -8,
3
Sum of a finite geometric series:
Sn=a1-a1r^n/1-r

7/2

(decimal: 3.5)

welcome ; )

step-by-step explanation:

too many. (jk)

31 v bucks

step-by-step explanation:

since you bought 25 on friday and 6 on tuesday, you can just add them up.

25+6=31

check your work.

31-6=25

i hope this !

-yand3r3

answer would be 8.64 or s = 11π/4 inches

step-by-step explanation:

s = r θ  

where s = arc length  

r = radius = 3 inches  

θ = central angle in radians = ( π /180)*165  

s = 3(π/180)*165  

= 8.64 inches

i don’t see a picture