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2 years ago

What is 50 + 34 - (87)-23 ?????????????

Mathematics

2 answers:

ANEK [815]2 years ago

6 0

Answer:

=−26

Step-by-step explanation:

50+34−87−23

=84−87−23

=−3−23

=−26

Alekssandra [29.7K]2 years ago

4 0

Answer:

-26

Step-by-step explanation:

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Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the re

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Question:

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the relative change for each country? Answer to the nearest tenth of a percent (1 decimal place). Make sure that you fill in each answer area before checking "How Did I Do?".

If you assume that the U.S. population is about 300 million, an increase of 12 million would result in a relative change of Number %.

If you assume that China has about 1 billion people, an increase of 12 million would result in a relative change of Number %.

Answer:

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Step-by-step explanation:

Given

Represent population with p. So, we have:

United States

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$p_1 =300\ million$

China

$\triangle p = 12\ million$

$p_1 =1\ billion$

Required

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Relative change, C is calculated as:

$C = \frac{\triangle p}{p} * 100\%$

For United States

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For China

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$C = \frac{12}{1000} * 100\%$

$C = \frac{12* 100}{1000} \%$

$C = \frac{1200}{1000} \%$

$C = 1.2\%$

The relative change of the United States and China is 4% and 1.2%, respectively.

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notka56 [123]

Hi there!

»»————-　★　————-««

I believe your answer is:

»»————-　★　————-««

Here’s why:

⸻⸻⸻⸻

I am assuming that the fraction is supposed to be the exponent.

⸻⸻⸻⸻

$64^{\frac{1}{3}}\\--------\\\rightarrow \text{Recall the exponent rule: } a^{\frac{m}{n}}=(\sqrt[n]{a})^m\\\\\\\rightarrow \sqrt[3]{64}\\\\\rightarrow \boxed{4}$

⸻⸻⸻⸻

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

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