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LenKa [72]
3 years ago
6

In 2010, the population of Atlanta, Georgia was 4.2×105 and the total land area was 1.32×102 square miles. Approximately, what w

as the population density of Atlanta in 2010?
Use the following formula: population density = population / area

Enter your answer as a whole number in the box. Round your answer to the nearest thousand.
Mathematics
1 answer:
iren [92.7K]3 years ago
4 0

Answer:

The population is 3,000 to the nearest thousand

Step-by-step explanation:

Here, we want to calculate population density

Mathematically;

Population density = population/ area

form the question;

population = 4.2 * 10^5

area = 1.32 * 10^2 square miles

Population density = (4.2 * 10^5)/(1.32 * 10^2)

3.2 * 10^3

which as a whole number will be 3200

To the nearest thousand, this is 3000

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On circle OOO below, the measure of \stackrel{\LARGE{\frown}}{FJ} FJ ⌢ F, J, start superscript, \frown, end superscript is 84^\c
lianna [129]

Answer:

100°

Step-by-step explanation:

The angle between chords is the average of the intersected arc angles.

∠FKJ = ½ (84° + 76°)

∠FKJ = 80°

∠HKJ is supplementary to ∠FKJ.

∠HKJ = 180° − 80°

∠HKJ = 100°

7 0
3 years ago
The Ferry family rented 50 chairs for $150. Which expression can be used to find the cost per chair?There are 330 walnuts in 6 b
True [87]

Step-by-step explanation:

Quesion 1

The cost of one chair can be found by dividing the cost of the total chairs by the number of chairs

hence, cost per chair= 150/50= $3 per chair

Question 2

let us find the number of walnuts per bag

= 330/6

=55 walnuts per bag

hence in two bags there will be 55*2= 110 walnuts

Question 3

Option D is an example of a unit rate.

The unit rate is defined as the cost of one unit of an item, or the value that represents a unit of a quantity... D 18 miles driven in a week

4 0
3 years ago
Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.
gizmo_the_mogwai [7]

Answer:

When y=32, x=16.5

Step-by-step explanation:

Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.

We are given:

x varies inversely with y

We can write it as: x\:\alpha \:\frac{1}{y}

x=\frac{k}{y}

We have x = 132, when y=4

We can find value of k by using these values

x=\frac{k}{y}\\132=\frac{k}{4}\\k=132*4\\k=528

We need to find x when y=32

x=\frac{k}{y}\\x=\frac{528}{32}\\x=16.5

So, when y=32, x=16.5

6 0
3 years ago
Find an equation of the line containing the given pair of points (4,1) and (12,7)
Eva8 [605]

Answer:

Y = 3/4 X -2

Step-by-step explanation:

Just apply the equation of a straight line (Y=mX+C), remembering that m represents the gradient of the line. This can be found by dividing the change in the y-axis by the change in the x-axis. Then substitute a set of coordinates with your obtained gradient into Y=mX+C to obtain C, i.e. the y-intercept.

4 0
3 years ago
If m∠ADC = 164° and is the angle bisector of ∠ADC, find
zhuklara [117]

Answer: 82

Step-by-step explanation:

We know that ADC is the angle bisector

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So 164 divided by the two equal sides gives us 82 on each side

8 0
3 years ago
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