The formula for the sum of the a finite geometric series is this:
Sn = a((1-r^n) / (1-r))
The given values are:
n = 30
a = 0.5 mi
r = 1.10 (10% more each day)
S30 = 0.5 ((1-1.10^30) / (1-1.10))
S30 = 82.25 mi
After 30 days, he will have traveled 82.25 miles.
Here is the website for the answer... I hope this helps...
P.S. I think that if you click on the link, it won't work. So, just copy and paste...
Answer:
Step-by-step explanation:
-9x + 1 = -x + 17
-8x + 1 = -17
-8x = -16
x = 2
Answer:
19
Step-by-step explanation:
tan35=x/20
20tan35=x
x=14.0041507641942
x+5=19.0041507641942
Nearest foot is 19
