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2 years ago

I need help please it’s a test

Mathematics

2 answers:

Elden [556K]2 years ago

8 0

Answer:

Set b

Step-by-step explanation:

IRISSAK [1]2 years ago

8 0

The answer is B for that question

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Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq

Alex

Answer:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

Step-by-step explanation:

For this case we know the population size $P = 20000$ and we also know the population density $D = 480 \frac{people}{km^2}$

We can assume that the area is a circle. We also know that the formula for the population density is given by:

$D= \frac{P}{A}$

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

$A = \pi X^2$

With X the radius of the circle

And then the populationd density become:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

6 0

3 years ago

The first term in a geometric sequence is 12. The common ratio is 3. Which term is 516,560,652?

STALIN [3.7K]

Its 17 th term. Hope it helps

6 0

2 years ago

Right the slope intercept of the equation of the line through the given point with the given slope through (2, 1) slope = 5/2 m=

solmaris [256]

M = 5/2
B = -4
Y - 1 = 5/2(x - 2)
Y - 1 = 5/2x - 5
+1. +1
Y = 5/2x - 4

(I think)

6 0

3 years ago

What is the constant rate of change of the graph below?

timofeeve [1]

Answer:

the constant rate of change is 20

5 0

2 years ago

4 of the 9 tiles in the floor pattern are white. What percent of the tiles are white?

choli [55]

Answer:

44.5%

Step-by-step explanation:

THis is because 4/9x100=44.5, which means that 44.5% of the tiles are white

7 0

2 years ago