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3 years ago

What type of economic system does Brazil have

Social Studies

2 answers:

erik [133]3 years ago

6 0

A- FREE MARKET

 a free market economy organized along capitalist lines

Fudgin [204]3 years ago

4 0

The answer is A. Market (Free)

I hope you get your exam good grade! :)

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7 years ago the population was at 1720 and today only 950 of the birds are alive. Once the population drops below 150, the situa

Harrizon [31]

Answer:

This will happen in 28.79 years.

Explanation:

The population, after t years, is given by the following equation:

$P(t) = P_{0}(1 + r)^{t}$

In which $P_{0}$ is the initial population and r is the rate of change. If r is positive, the population increases. Otherwise, if r is negative, the population decreases.

7 years ago the population was at 1720 and today only 950 of the birds are alive.

This means that $P_{0} = 1720$ and $P(7) = 950$ . With this, we can find r. So

$P(t) = P_{0}(1 + r)^{t}$

$950 = 1720(1 + r)^{7}$

$(1+r)^{7} = \frac{950}{1720}$

$(1+r)^{7} = 0.5523$

To isolate 7, i apply the seventh root to both sides. so

$\sqrt[7]{(1+r)^{7}} = \sqrt[7]{0.5523}$

$1 + r = 0.9187$

$r = 0.9187 - 1$

$r = -0.0813$

$P(t) = 1720(1 - 0.0813)^{t}$

$P(t) = 1720(0.9187)^{t}$

Once the population drops below 150, the situation will be irreversible. When will this happen?

This is t when P(t) = 150. So

$P(t) = 1720(0.9187)^{t}$

$150 = 1720(0.9187)^{t}$

$(0.9187)^{t} = \frac{150}{1720}$

$(0.9187)^{t} = 0.0872$

It is important to know that:

$\log{a^{t}} = t\log{a}$

So we apply log to both sides

$\log{(0.9187)^{t}} = \log{0.0872}$

$t\log{0.9187} = \log{0.0872}$

$t = \frac{\log{0.0872}}{\log{0.9187}}$

$t = \frac{-1.0595}{-0.0368}$

$t = 28.79$

This will happen in 28.79 years.

4 0

4 years ago

What is inflation? Common sense Economics eBook

Ierofanga [76]

Inflation Is kinda like when you print too much money and the value of it goes down, ex. Diamonds are rare, if we found a bunch of diamonds they wouldn’t be worth as much because they’re not as rare

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3 years ago

Rebecca is nervous and fidgets during her job interview with Calder. She is hired anyway, but Calder is surprised when he sees h

nikklg [1K]

Answer: d. imposing consistency

Explanation:

Calder may be guilty of the perceptual mistake of imposing consistency. Her expectations of Rebecca surprised her and it's more likely Rebecca will go on well with her job.

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3 years ago

Can someone help me i forgot what a idiom was (btw this is language arts)

Colt1911 [192]

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for this i would have to say B. throw in the towel

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3 years ago

Farmers in the Middle Colonies traveled to

Ivahew [28]

What’s the question?

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3 years ago