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Basile [38]
2 years ago
10

Pls help will mark brainliest Which factor has the most significant impact on the economy of North Korea?

Mathematics
1 answer:
worty [1.4K]2 years ago
7 0

Answer:

Goverment?

Step-by-step explanation:

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The rectangular field is 120 yards long and 40 yards wide. How many square yards is it’s area?
lilavasa [31]

Answer:

4800 yards wide

Step-by-step explanation:

120 x 40=4800

3 0
3 years ago
I need to find the x pls help and show work
grigory [225]

Answer:

77

Step-by-step explanation:

84/12=7

so

7*11= 77

4 0
3 years ago
The speed at which cars travel on the highway has a normal distribution with a mean of 60 km/h and a standard deviation of 5 km/
oee [108]

The z-score of the speed value gives the measure of dispersion of the from

the mean observed speed.

The probability that the speed of a car is between 63 km/h and 75 km/h is

<u>0.273</u>.

The given parameters are;

The mean of the speed of cars on the highway, \overline x = 60 km/h

The standard deviation of the cars on the highway, σ = 5 km/h

Required:

The probability that the speed of a car is between 63 km/h and 75 km/h

Solution;

The z-score for a speed of 63 km/h is given as follows;

Z=\dfrac{x-\bar x }{\sigma }

Which gives;

Z=\dfrac{63-60 }{5 } = 0.6

From the z-score table, we have;

P(x < 63) = 0.7257

The z-score for a speed of 75 km/h is given as follows;

Z=\dfrac{75-60 }{5 } = 3

Which gives, P(x < 75) = 0.9987

The probability that the speed of a car is between 63 km/h and 75 km/h is therefore;

P(63 < x < 75) = P(x < 75) - P(x < 63) = 0.9987 - 0.7257 = 0.273

The probability that the speed of a car is between 63 km/h and 75 km/h is

<u>0.273</u>.

Learn more here:

brainly.com/question/17489087

7 0
2 years ago
How do you write -63.6-5 in a simpler form
lys-0071 [83]

Answer:

-68.6

Step-by-step explanation:

subtracting a negative from a negative is addition.

6 0
3 years ago
what is 2+200 plz help btw who ever helps gets 21 pts and it is so easy i know the anwser i am just a bit bored so trying to giv
nlexa [21]
Its 202 becasue you just add two more so yeah 
5 0
3 years ago
Read 2 more answers
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