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kompoz [17]
2 years ago
11

A school has a population of 2500 students. The number of students is increasing at continuous growth rate of 4.5% each year. Wh

ich of the following
formulas models the population of this school?
A. A = 2500e ^-0.045t
B. A = 2500e^4.5t
C. A = 2500e^0.045t
D. A = 25000e^450
Mathematics
1 answer:
Lemur [1.5K]2 years ago
6 0

Answer:

C

Step-by-step explanation:

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Please answer both questions and show all work.
sammy [17]
(1) 6 1/3 = 76/12
2 3/4 =  33/12
___________+
109/12
divide and get 9 1/12
-----------------------------------
(2)3 1/2 = 43/12
5 1/2 = 66/12
*from first answer* 109/12
add and you get 218/12
divide and get the answer 18 1/6
Hope this helps you!
3 0
3 years ago
Brian's gas tank is 1/6 full. After he buys 7 gallons of gas, it is 1/2 full. How many gallons can Brian's tank hold ?
qwelly [4]
21 is the right one
7 0
2 years ago
HELP PLEASEEE with steps
zysi [14]
<h3>Answer: Choice C) 421.9</h3>

=======================================

Explanation:

You're on the right track. You wrote down the proper expression to get the final answer, assuming you meant to write 75/4 as the third term inside the parenthesis. This works because each time you cut the side length in half to get each smaller triangle's side. The 3 is because there are 3 sides for each of the triangles. Much of this I have a feeling you already know as you wrote down the expression on the page, though I'm not 100% sure of your mindset. Computing this expression leads to 421.875 which rounds to 421.9

note: an alternative is to write 3*75 + 3*75/2 + 3*75/4 + 3*75/8, though that is more work. It's better to have that 3 factored out.

8 0
3 years ago
The expression below shows the population of foxes in a forest after 12x years.
Mazyrski [523]
We know that:
(x^{m}) ^{n}=  x^{mn}
f(x)= 50*(1.05) ^{12x} = 50 * ( 1.05^{12})^{x}  = \\ =50*(1.7959) ^{x}
Answer: A ) f ( x ) = 50(1.05)^x

6 0
2 years ago
Read 2 more answers
Sixty students voted in a class president. 30% of the students voted for Shawn and 70% of the students voted for Jane. How many
JulsSmile [24]
There are 60 students. The winner got 70% of the 60 students votes. Let's work this one out to get the answer.

First, you need to figure out what 70% of 60 is, by using this equation.
60 x .70 = 42.
Now that you know the answer is 42, you now know that 70 percent of 60 is 42.

So, the class president got 42 winning votes!






Hope I could help!
Ossashi(づᵔᗜᵔ)づ








8 0
3 years ago
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