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3 years ago

Do you think the current Corona Virus pandemic has affected pollution levels worldwide? Why or Why not? Explain

1 answer:

Elena-2011 [213]3 years ago

5 0

I'd say that yes, the coronavirus has impacted pollution levels. According to several reports, the pollution level in China has decreased.

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Which of the following causes seasonal change?

Sunny_sXe [5.5K]

D all of the above, they all contribute to seasons

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3 years ago

Three reason for which places sometimes change names

liubo4ka [24]

Answer: Removing offensive place names, political upheavals and war heroes, and vote of residents.

Btw found this in Quizlet. Hope it helps :)

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3 years ago

Gutenberg's methods of printing

denis23 [38]

The answer is true....................

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3 years ago

Let m and c represent constants with m nonzero. What is the equation of the line perpendicular to y=m(x+c) and with the same y-i

nikklg [1K]

Answer:

$y = -\frac{1}{m}x + mc$

Explanation:

Given

$y = m(x + c)$

Required

Determine an equation of a perpendicular line but with the same y intercept

$y = m(x + c)$

Open bracket

$y = mx + mc$

A linear equation is represented with:

$y = ax + b$

Where

$a = slope$

$b = y\ intercept$

By comparison:

$a = m$

$b = mc$

So, the slope of $y = m(x + c)$ is m

Because the new line is perpendicular to $y = m(x + c)$ , the relationship between their slopes is:

$a_2 = -\frac{1}{a_1}$

Where

$a_1 =$ slope of the first equation

$a_2 =$ slope of the second equation

Substitute m for $a_1$ in $a_2 = -\frac{1}{a_1}$

$a_2 = -\frac{1}{m}$

Hence, the slope of the new equation is: $-\frac{1}{m}$

From the question, we understand that they have the same y intercept.

So, the equation of the new equation is:

$y = -\frac{1}{m}x + mc$

8 0

3 years ago

According to scientific evidence, the age of the earth is about ____

Nostrana [21]

The age of the Earth is around 4.6 billion years old

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3 years ago