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2 years ago

11

which of the following is an example of American democracy A. A developer builds a new office building B. A new bill is voted on

in congress C The U.S postal services delivers everyone's mail Or D A student goes to the library to study

1 answer:

Annette [7]2 years ago

8 0

Answer:

A. the others have nothing to do with government

Explanation:

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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

Why did president ronald reagan withdraw american troops from lebanon in 1984?

mash [69]

Hundreds of american soldiers were killed in bombings.-apex

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2 years ago

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WHEN AND WHERE ARE VOTES COUNTED IN NATIONAL ELECTIONS? <br><br><br> someone answer this!?

Alja [10]

Answer:

They are counted by people called the ECs

6 0

2 years ago

During the 25 years of life person lead a _________

velikii [3]

Answer:

Grihastha is a oem and Asthma is stage thus Householder.

Explanation:

Grihastha ashrama is a stage of life during which he or she s literally occupied by the moral duties of the home and is seen in Hindu traditions as one's s family after which the Brahmacharya or student life embodies a married life.

Thus the person till the age of 25 lives with his parents and family life and after which gets married and lives his own life. The Christian Asharma stage is preceded by the brahmacharya stage.

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2 years ago

2. Why did George Washington think political parties would

ValentinkaMS [17]

Answer: they cause people to not think for the people but for themselves

Explanation: this is also an alliance which he spoke bad about. Alliances put you at others mercy and you lose your freedoms

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2 years ago