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Anastaziya [24]
3 years ago
6

Please help me on part a and after part a I will send you part b​

Mathematics
1 answer:
Effectus [21]3 years ago
5 0
To be honest i’m probably the worst at math lol good luck
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1.) The island shown has a population of 12,175 people. Find the population
miv72 [106K]

Answer:

Population density = 148.22\ \text{people per square kilometer}

Step-by-step explanation:

The attached figure shows the dimension of an island.

Population density is equal to total population per unit land area.

Firstly we will find the area of the triangle using Pythagoras theorem as follows :

H^2=B^2+P^2

H is Hypotenuse, B is base and P is perpendicular

B=\sqrt{H^2-P^2} \\\\B=\sqrt{(18.5)^2-(11.1)^2} \\\\B=14.8\ km

Area of triangle is given by :

A=\dfrac{1}{2}\times b\times P\\\\A=\dfrac{1}{2}\times 14.8\times 11.1\\\\A=82.14\ km^2

\text{Population density}=\dfrac{\text{Total population}}{\text{land area}}\\\\=\dfrac{12175 }{82.14}\\\\=148.22\ \text{people per square kilometer}

Hence, the population density is 148.22\ \text{people per square kilometer}.

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2 years ago
Describe how the infinite sequence are below are generated 2,5,8,11,14,17
lianna [129]
The answer is + 3.......
6 0
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What is the value of m and n?
NeX [460]
The value of n is y and the value of m is z
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N + 7 &lt; -3<br><br> solve and show work please
Hitman42 [59]

Answer:

n < -10

Step-by-step explanation:

In order to get the variable n by itself subtract 7 from both sides across the inequality

n + 7 < -3

  -7     -7

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d. 1/3

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