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3 years ago

Which expression has the greatest value?

1 answer:

7 0

Part 1:

A. = 8 • 10^20
B. = -8 • 10^20
C. = 4 • 10^25
D. = 6.25 • 10^23

A. has the greatest value

Part 2:

A. = 8 • 10^20
B. = -8 • 10^20
C. = 4 • 10^25
D. = 6.25 • 10^23

B. has the least value

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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 $X = 87.40 m$

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4 years ago

A sweatshirt originally priced at 28.00 is on sale for 22.00 what is the percent of decrease rounded to the nearest whole number

levacccp [35]

% of decrease would be 100 - (22*100)/28

=100-78.57 = 21.43%

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3 years ago

6p ≥ −24 plz help me

jolli1 [7]

Divide both sides by the coefficient 6 to get p <span>≥ −24/6 = -4

p </span><span>≥ −4</span>

7 0

3 years ago

Vshsusisisisusjsjsuausus

spin [16.1K]

In order for us to help you, you need to ask a question that deals with going under math section or a different subject.

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4 years ago

Is X = 1 And. Y = -8 parallel ,perpendicular, or neither

andrew-mc [135]

Perpendicular because when graphed, it creates a cross, or an intersection at a 90 degree angle

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3 years ago

Read 2 more answers