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Ainat [17]
2 years ago
5

WILL MARK BRAINLY! The population of a particular city is given by the function P(t) = 82,100(1.02), where t is the time in year

s and P(t) is the population after t years. What is the current population, the percentage growth rate, and the population size (rounded to the nearest whole person) after 15 years?
Hint: Percentage Growth Rate = r × 100 in A= A0(1 + r)^t

○ 82,100, 2% semiannually, 110,658
○ 82,100, 10.2% annually, 352,425
○ 82,100, 2% annually, 110,496
○ 82,100, 20% semiannually, 985,200​
Mathematics
1 answer:
Tcecarenko [31]2 years ago
3 0

Answer:

P(t) = 82,100(1.02)^t

 1.t is the time in years  

 

2.P(t) is the population after t years

 

3. 100%=1       102-100=2% so the interest rate is 2 %

   102%=1.02

 

4. after 15 year just put in term s of 't' (wich is represent the years) 15 :

Step-by-step explanation:

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Please answer all part correct​
insens350 [35]

Answer:

a). We want to know how much each point was worth.

b). 12x+5=41

c). Each problem worth 3 points.

Step-by-step explanation:

a). We want to know how much each problem was worth. Because we have the total points of the test, and how much was the bonus. But we still don't know the worth of each problem.

b). We know that the total points of the test were 41, and the bonus 5 points. There were 12 problems on the test and we are going to use "x" for the unknown part (how many points each problem was worth).

The equation is :

12x+5=41

Why 12x? Because if you multiply the twelve problems of the test with the worth of each one and then add the 5 points of the bonus you will obtain the total points of the test (41).

c). Now we have to solve the equation, this means that we have to clear "x":

12x+5=41

Subtract 5 from both sides.

12x+5-5=41-5\\12x=36

Finally divide in 12 both sides of the equation:

\frac{12x}{12}=\frac{36}{12} \\\\x=3

Then each problem worth 3 points.

7 0
3 years ago
Translate the product of 40 and distance to the finish line
tamaranim1 [39]
Well, it says translate the product of 40 and DISTANCE to the finish line right?
The answer would be 40d
D being the variable for Distance.

5 0
3 years ago
Read 2 more answers
Is the relationship between the variables in the table a direct variation, an inverse variation, or neither? If it is a direct o
inn [45]

Answer: neither direct variation nor inverse variation.


Explanation:


1) The relation between two variables, y and x, is a direct variation if and only if the quotient between them, y/x, is constant. This is: y / x = k or, equivalently, y = kx.


Note that if y / x is constant, x / y is also constant.


In a direct variation, when x increases, y increases, and when x decreases, y decreases.


2) The relation between two variables, y and x, is an inverse variation if and only if their product, y×x is constant. This is: y × x = k or, equivalently y = k /x or x = k / y.


In an inverse variation when one of the variables increases the other decreases.


3) Writhe the given table and study whether the conditions for direct or inverse variation are met:

x      y              y/x                             y×x

-6    -72           -72/(-6) = 12             (-6)(-72) = 432

-4    -47           -47 / (-4) = 11.75       (-4)(-47) = 188

-3    -36           -36 / (-3) = 12           (-3)(-36) = 108

1       12             12 / 1 = 12                (1)(12) = 12


Conclusions;


a) Since neither y / x nor y×x have the same result for every pair, the relation is neither direct nor inverse.


b) Note that if the third pair were (-4, -48) instead of (-4, -47), y / x would be 12, which make a direct variation. In this case the function that modeled it would be:

         y = 12x.

8 0
3 years ago
Describe the pattern rule. Then fill in the blanks.
larisa86 [58]
Where the question? you didn’t show the question to fill in the blanks
6 0
3 years ago
Why did the troll give us the clues
Vinil7 [7]

Answer:

lol

Step-by-step explanation:

im laughing in class

5 0
3 years ago
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