Answer:
Step-by-step explanation:
Answer:
a) ![P(t) = 22000(1.071)^{t}](https://tex.z-dn.net/?f=P%28t%29%20%3D%2022000%281.071%29%5E%7Bt%7D)
b) The population increases 7.1% each year.
Step-by-step explanation:
The continuous population growth model is given by:
![P(t) = P_{0}(1+r)^{t}](https://tex.z-dn.net/?f=P%28t%29%20%3D%20P_%7B0%7D%281%2Br%29%5E%7Bt%7D)
In which
is the population after t years,
is the initial population and r is the growth rate.
In this problem, we have that:
A population grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.
This means that ![P_{0} = 22000, r = 0.071](https://tex.z-dn.net/?f=P_%7B0%7D%20%3D%2022000%2C%20r%20%3D%200.071)
a) Write a function to model the population increase.
![P(t) = 22000(1 + 0.071)~{t}](https://tex.z-dn.net/?f=P%28t%29%20%3D%2022000%281%20%2B%200.071%29~%7Bt%7D)
![P(t) = 22000(1.071)^{t}](https://tex.z-dn.net/?f=P%28t%29%20%3D%2022000%281.071%29%5E%7Bt%7D)
b) By what percent does the populaiion increase each year?
![r = 0.071](https://tex.z-dn.net/?f=r%20%3D%200.071)
So the population increases 7.1% each year.
Answer:
see attachment (this needs to be at least 20 characters long)
4.00 ÷ 0.25 = 16
.70 ÷ 0.05 = 14
16 quarters + 14 nickels = 30 coins
Answer:
She has 16 friends
Step-by-step explanation:
40 minus 8 is 32 so that divided by 2 is 16