Which two units you would use to measure population density?

Mathematics

2 answers:

algol [13]3 years ago

8 0

Considering that the lesson is on density and density means human population in a certain area I would go with option C

melisa1 [442]3 years ago

3 0

You are measuring people and animals, so this is for sure two of your units. For the next units, you need to choose something big enough to hold a large number of these, so you would use square meters and acres. The answer is the third option: <span>number of people per square meter and number of animals per acre</span>

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Required

sattari [20]

Answer:

Step-by-step explanation:

d-nr of ducks

g- nr of goats

2*d+4*g=260

d+g=80 /*(-2)

2d+4g=260

-2d-2g=-160

------------------

2g=100

g=100/2

g=50

5 0

3 years ago

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The nutrition label on a carton of soy milk says that one glass contains 7 grams of protein. How many milligrams of protein does

barxatty [35]

The answer is 7000mg.

7 0

3 years ago

Which statement accurately describes how to perform a 90° counterclockwise rotation of point A (−1, −2) around the origin? Creat

Anastaziya [24]

Answer:

last one

Step-by-step explanation:

You are swinging A(-1,-2) around the center which in this case is the origin. Keep in mind that points on a circle all have a equal distance from the origin. We don't want the distance from the center to change.

We want the center of that circle to be the origin.

So the answer is the last one:

"Create a circle with the origin as its center and a radius of the origin and point A, then locate a point on the circle that is 90° counterclockwise from point A. "

8 0

3 years ago

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If 9 (x) = – 5x2 – 4x + 19 find f (–3)

Sliva [168]

Answer:

- 14

Step-by-step explanation:

$f(x) = - 5 {x}^{2} - 4x + 19 \\ plug \: x = - 3 \\ f( - 3) = - 5 {( - 3)}^{2} - 4( - 3) + 19 \\ f( - 3) = - 5 \times 9 + 12 + 19 \\ f( - 3) = - 45 + 31 \\ f( - 3) = -14$