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3 years ago

PLEASE HELP! DUE RN AND ITS TIMED!! WILL GIVE BRAINLIEST TO QUICKEST AND CORRECT ANSWER!! 18 POINTS!!

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2 answers:

liubo4ka [24]3 years ago

6 0

Answer is D. On the coast or along rivers to provide access to transportation.

Lubov Fominskaja [6]3 years ago

6 0

D! just took test:)) good luck!

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(x+1/x-1 - x-1/x+1 - 4x/x^2 +1) + 4x/x^4-1

Lunna [17]

Answer:

$\frac{12x}{x^4-1}$

Explanation:

Given

$(\frac{x+1}{x-1} - \frac{x-1}{x+1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

Required

Solve:

Take L.C.M of the first two fractions

$(\frac{(x+1)(x+1)-(x-1)(x-1)}{(x-1)(x+1)} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

$(\frac{(x+1)(x+1)-(x-1)(x-1)}{x^2-1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

$(\frac{x^2+2x+1-(x^2-2x+1)}{x^2-1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

$(\frac{x^2+2x+1-x^2+2x-1}{x^2-1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

Collect Like Terms

$(\frac{x^2-x^2+2x+2x+1-1}{x^2-1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

$(\frac{4x}{x^2-1} - \frac{4x}{x^2 + 1}) + \frac{4x}{x^4 - 1}$

Solve the expression in bracket

$(\frac{4x(x^2+1) - 4x(x^2-1)}{(x^2-1)(x^2+1)} ) + \frac{4x}{x^4 - 1}$

$(\frac{4x(x^2+1) - 4x(x^2-1)}{x^4-1} ) + \frac{4x}{x^4 - 1}$

$(\frac{4x^3+4x - 4x^3+4x)}{x^4-1} ) + \frac{4x}{x^4 - 1}$

$(\frac{4x^3- 4x^3+4x +4x)}{x^4-1} ) + \frac{4x}{x^4 - 1}$

$\frac{8x}{x^4-1} + \frac{4x}{x^4 - 1}$

Take LCM

$\frac{8x+4x}{x^4-1}$

$\frac{12x}{x^4-1}$

<em>The expression can not be further simplified</em>

7 0

2 years ago

What are 3 ways the Ottoman Empire has impacted the world?

Anna007 [38]

Answer:

1) Under the Ottoman Empire, the arts flourished, technology and architecture reached new heights.

2) The Ottoman Empire generally enjoyed peace, religious tolerance, and economic and political stability.

3) The Ottoman Empire contributed to the development of hospitals and healthcare, and witnessed advances in medicine, mining and military technology.

Explanation:

hope this helps :D pls mark brainliest :D

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3 years ago

How does paragraph 4 relate to paragraph 3?

Xelga [282]

Answer:

they both talk about bikes.

Explanation:

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3 years ago

1. What was the effect of the Cultural Revolution?

Mariana [72]

Answer:

The Cultural Revolution damaged China's economy while tens of millions of people were persecuted, with an estimated death toll ranging from hundreds of thousands to 20 million.

Explanation:

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3 years ago

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Carolina rice plantations were dependent on slaves from

ivann1987 [24]

The correct answer is West Africa

The rice plantations were labor intensive and the farm holders relied on slave labor. The slaves working on the farms came from West Africa and were transported through the Atlantic. They comprised those captured in battle or sold as punishment

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2 years ago

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