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Darya [45]
3 years ago
15

You are working on an urban planning project assessing the growth of a city. Five years ago, the population was 134,785 The curr

ent population is 192,560. Which calculation is appropriate to perform first when determining the growth rate of the city?
Mathematics
1 answer:
Firdavs [7]3 years ago
8 0

To calculate growth rate, start by subtracting the past value from the current value. Then, divide that number by the past value. Finally, multiply your answer by 100 to express it as a percentage.

<u>Explanation:</u>

The "population growth rate" is the rate at which the number of individuals in a population increases in a given time period, expressed as a fraction of the initial population. Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.

Annual Growth Rate of Population refers to the rate at which the number of individuals in a given popular increase over a year, expressed as a fraction of the initial popular of the previous years. The annual percentage growth rate of population is the percent growth divided by the number of years.

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For A I somehow got 41.05 but its 2.95cm can someone show me the working and what I did wrong?
777dan777 [17]

Answer:

Step-by-step explanation:

a). tan(75°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

                  = \frac{11}{k}

    k = \frac{11}{\text{tan}(75)}

    k = 2.947

    k = 2.95 cm

b). cos(52°) = \frac{16}{s}

    s = \frac{16}{\text{cos}(52)}

    s = 25.988

    s ≈ 25.99 cm

c). sin(5°) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

               = \frac{16.1}{q}

    q = \frac{16.1}{\text{sin}(5)}

    q = 184.727

    q ≈ 184.73 cm

4 0
3 years ago
How to estimate 9.1% of 59.3
gavmur [86]

Answer:

6

Step-by-step explanation:

For a quick rough estimate, I'd round 9.1% up to 10% and 59.3 to 60.  10% of 60 is 0.1(60) = 6.

For a more accurate estimate, round 9.1% down to 9% and 59.3 up to 60.  Then 9% of 60 is 5.4.


7 0
4 years ago
What's the value of x
Nikolay [14]
X² = hyp² - cat²

x² = 625 - 156.25

x² = 468.75

x ≈ 21,6 
3 0
3 years ago
Read 2 more answers
What is the length of the apothem, rounded to the nearest tenth?
amid [387]
See the attached figure to better understand the problem

we know that
in the triangle ABC
<span>applying the Pythagorean theorem
AC</span>²=AB²+BC²
<span>AC=8 cm
AB=apothem
BC=9.4/2-----> 4.7 cm

AB</span>²=AC²-BC²-----> 8²-4.7²-----> 64-22.09------> AB²=41.91 
AB=√41.91-------> 6.47 cm---------> 6.5 cm
apothem=6.5 cm

the answer is
6.5 cm

5 0
3 years ago
Read 2 more answers
write an equation in point-slope for the line through the given point with the given slope.(2,6); m=3/2
bixtya [17]

Answer:

y-6=3/2(x-2)

Step-by-step explanation:

point slope form is y-y1=m(x-x1), where m is the slope and (x1,y1) are numbers.

we have the slope (m) given as 3/2, and the point given as (2,6)

substitute the numbers into the equation

y-6=3/2(x-2)

hope this helps :)

6 0
3 years ago
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