Answer:
(0,3) and (0,11)
Step-by-step explanation:
A tip for next time is that if the "0" is first, then it is the y-axis. And if the "0" is second, it is the x-axis.
Answer:
4,646.30
Step-by-step explanation:
The sum of n terms of geometric sequence can be calculated using formula

In your case,

Substitute into the formula:

There are three groups of people: 25 years old and younger, between 25 to 50, and 50 years old and older. Their fractions must equal to 1 because these three together form the whole.
1 = 1/3 + 2/7 + x
where x is the fraction for people ages 25 to 50 years old
x = 8/21
So, the actual number of people ages 25 to 50 years old is:
84(8/21) = 32 people
Answer: 30,000
Step-by-step explanation:
Round 5 up to 10 25000 to 30000