27.07.2020

About 32,000 people live in a circular region with an 8 mile radius. Find the population density in people per square mile?

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09.07.2023, solved by verified expert
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about 159 people per square mile

Step-by-step explanation:

The area of the circular region is

About 32,000 people live in a circular region, №18010732, 27.07.2020 11:35

From this, the population density of this region is

About 32,000 people live in a circular region, №18010732, 27.07.2020 11:35

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Mathematics
Step-by-step answer
P Answered by Specialist

about 159 people per square mile

Step-by-step explanation:

The area of the circular region is

\pi( {8}^{2}) = 64\pi

From this, the population density of this region is

\frac{32000}{64\pi}  =  \frac{500}{\pi}  = 159.2

Mathematics
Step-by-step answer
P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics
Step-by-step answer
P Answered by PhD
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
Mathematics
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Step-by-step answer
P Answered by PhD

Salesperson will make 6% of 1800

=(6/100)*1800

=108

Salesperson will make $108 in $1800 sales

Mathematics
Step-by-step answer
P Answered by PhD

The solution is given in the image below

The solution is given in the image below
Mathematics
Step-by-step answer
P Answered by PhD

tip=18% of 75.45

     =18/100 * 75.45 = $13.581

Tip = $13.581

Mathematics
Step-by-step answer
P Answered by PhD

Area of rectangle= L*b

here,

L=12.4 cm

b= 8.8 cm

A= L*b

= 12.4 * 8.8 = 109.12 cm^2

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