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Valentin [98]
3 years ago
5

f a country have a population of about 203 people/km^2 and a population of about 61,070,224 then what is the approximate area of

the country?
Mathematics
1 answer:
Bingel [31]3 years ago
3 0

Answer:

300838km^2

Step-by-step explanation:

Divide the total population by the population per kilometer squared

61070224/203

=300838.5419...

As the question askes for the approximate area, round the answer to the nearest kilometer squared

=300838km^2

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Sellus
igor_vitrenko [27]

Answer:

3.9

Step-by-step explanation:

Given the data:

Payout ($) (x) : 0 2 4 8 10

Probability p(x) : 0.35 0.2 0.1 0.2 0.15

The expected winning ; E(X) = Σ(x * p(x))

Σ(x * p(x)) = (0*0.35)+(2*0.2)+(4*0.1)+(8*0.2)+(10*0.15)

= 0 + 0.4 + 0.4 + 1.6 + 1.5

= 3.9

8 0
3 years ago
The middle school dance team had 2 separate car washes on Saturday to raise money for new uniforms. The Main Street location rai
rosijanka [135]

Answer:

$465 at Back Street

$515 at Main Street

Step-by-step explanation:

980 (total) - 50 (the difference between the two) = 930

930/2 = 465 (back street)

465 + 50 (the difference) = 515 ( main street)

CHECK: 465 + 515 = 980

6 0
3 years ago
We have a right triangle that has am 8 meter and 21 meter leg .Find the hypotenuse
Serjik [45]

Answer:

hypotenuse is 22.47 m

Step-by-step explanation:

The length of both legs of a right angle triangle are 8m and 21 m

We need to find the hypotenuse

To find hypotenuse we use Pythagorean theorem

Hypotenuse is AC  and other two legs are AB  and BC

AC^2 = AB^2 + BC^2

Hypotenuse ^2 = 8^2 + 21^2

hypotenuse = \sqrt{8^2 + 21^2}

= \sqrt{64 + 441}

= \sqrt{505}

= 22.47

So the length of the hypotenuse is 22.47 m

4 0
3 years ago
A ____________ has no dimension and is represented by a small dot.
monitta

Answer:

Point

Step-by-step explanation:

If you are referring to geometry

7 0
3 years ago
Please help me on these two questions
irina [24]

Answer:A for the first one and C for the second one

Step-by-step explanation:

3 0
4 years ago
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