Answer:

Step-by-step explanation:
We want to evaluate:

When x=0, we obtain the first term of the geometric series as

The common ratio of this geometric series is 
The sum of the first n-terms of a geometric series is

From x=0 to x=15, we have 16 terms.
The sum of the first 16 terms of the geometric series is

to the nearest tenth.
Answer:
8 and 25
Step-by-step explanation:
We can set up an equation to help solve this problem.
Let x represent the smaller number
x+(x+17)=33
2x+17=33
2x=16
x=8
The smaller number is 8
Add 17 to 8
The larger number is 25
Answer:
Which grade's book exercise is this?
Answer:
i belive it is 900
Step-by-step explanation:
(n-2)180
(7-2)180
(5)180
900
Lets say the race is x km long.
That means she ran 65% of x.
And that also means that 65% of x = 3
So 65%*x=3
65/100x=3
x=3*100/65
x=300/65
x=4.62