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3 years ago

20 POINTS PLS HALP!!!

Mathematics

2 answers:

zhuklara [117]3 years ago

4 0

Answer:

.07 people per square mile

Step-by-step explanation:

We can just divide the people by area

57714/836109=.06902688525 or about .07 people per square mile

I think you got confused about the division and what to divide by what

Look over here we divide the PEOPLE by the AREA so we get the amount of PEOPLE per square mile

If we did it the opposite way we get THE AREA that EACH PERSON HAS

Morgarella [4.7K]3 years ago

3 0

Answer:

number of people / land area = population density

57,714 / 836,109 ≈ 0.07 people/ $mi^2$

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Gre4nikov [31]

we are given

$p=900-4t^2$

where

price p( in dollars) of a new smartphone

t is the number of months since January

now, we can solve for t

step-1:

Add both sides by 4t^2

$p+4t^2=900-4t^2+4t^2$

$p+4t^2=900$

step-2:

Subtract both sides by p

$p+4t^2-p=900-p$

$4t^2=900-p$

step-3:

divide both sides by 4

$\frac{4t^2}{4} =\frac{900-p}{4}$

$t^2=\frac{900-p}{4}$

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step-4:

Take sqrt both sides

$\sqrt{t^2} =\sqrt{225-0.25p}$

$t=\sqrt{225-0.25p}$

so, we get

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What is the area of the figure? The figure is not drawn to scale.thank you ! :)

Rina8888 [55]

Solution

- The formula for finding the area of a triangle is given below:

$\begin{gathered} A=\frac{1}{2}\times b\times h \\ where, \\ b=\text{ The base of the triangle} \\ h=\text{ The perpendicular height} \end{gathered}$

- We have been given:

$\begin{gathered} b=5.4cm \\ h=2cm \end{gathered}$

- Therefore, we can find the area as follows:

$\begin{gathered} A=\frac{1}{2}\times2cm\times5.4cm \\ \\ \therefore A=5.4cm^2 \end{gathered}$

Final Answer

The area is 5.4cm²

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