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marysya [2.9K]
3 years ago
10

Any answers?only have 30 minutes left to answer gonna post more

Advanced Placement (AP)
1 answer:
aalyn [17]3 years ago
7 0

Answer:

B

Explanation:

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20 POINTS
valentinak56 [21]

Answer:

The probability that p is in the interval is equal to the level of confidence for the interval.

Explanation:

This is not a correct statement. The level of confidence is not equal to the probability that p is in the interval.

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3 years ago
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Suppose that 70g of a substance is dissolved in 100cm^3 of water at 80°C. How much of the substance, in grams, will precipitate
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30 is the answer for that homwork
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3 years ago
1. The government of Brazil moved its capital city in 1960. Explain the reasons for this decision, and describe its effects on i
Alona [7]

Answer and Explanation:

1. The capital of Brazil was changed on April 21, 1960 by the president Jucelino Kubitschek, who built a city, called Brazilia, to become the country's federal capital instead of Rio de Janeiro, which was the old capital. He did this because Rio de Janeiro is very close to the ocean and he believed that it left the capital vulnerable to marine attacks, for this reason, he decided to move the capital to a more central region of the country, where it would be more protected.

2. Internal migration in Brazil occurs mainly due to economic factors, where citizens from the poorest states and with the worst living conditions (northeastern states) migrate to the producing centers of the country, which are the southeastern states, mainly São Paulo. Internal migration in China also has the economic condition as its main reason, however the Chinese are constantly migrating to the country's capital and need to submit to a series of laws and guidelines, while in Brazil, this process is done without any type of legislation or restriction.

8 0
3 years ago
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Solve the following systems of 3-variable linear equations.​
Zina [86]

Answer:

x = 9/25, y = 7/25, z = 4/25

Explanation:

step 1: solve for y in first equation to use substitution

y = -2x + 1

step 2: insert into second equation to eliminate y variable and work with two variables

3(-2x+1) + z = 1 (now distribute)

-6x + 3 + z = 1 (bring over the -3)

-6x + z = -2

step 3: now left with -6x + z = -2 and x + 4z = 1, so eliminate z

-6x + z = -2 (multiply by 4)

4(-6x + z = -2)

-24x + 4z = -8

-

x + 4z = 1 (brought down third equation)

-25x = -9

x = 9/25

then just plug in x into the third equation to solve for z, followed by plugging it into the first equation to solve for y. you should end with y = 7/25 and z = 4/25

6 0
3 years ago
Which of the following is true about constitutions?
Crazy boy [7]

Answer:

They establish the fundamental principles for a government.

Explanation:

5 0
3 years ago
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