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Fed [463]
3 years ago
15

Please help I will mark brainlist if correct

Mathematics
1 answer:
Furkat [3]3 years ago
5 0
Hi there!

Since the slope of a line perpendicular to a line is always the negative inverse of that slope, you just switch the numerator and denominator around and add or omit the negative sign to the original slope.

The answer would be -2.

Hope this helps!
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Arc length is 12436.8m

Step-by-step explanation:

arc length  = \frac{M degree}{360degree} * πD

where M is the angle measure of the arc

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considering the earth as a circle and half the earth as a semi circle the angle measure of the arc will be = 180 degrees

\frac{180}{360} * π * 7917.5 = 12436.8m

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3 years ago
^5 square root x^4 times ^5 square root x^4
Alla [95]

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Do 5x5 4 times

Step-by-step explanation:

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2 years ago
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neonofarm [45]

Answer:

50% probability that a randomly selected respondent voted for Obama.

Step-by-step explanation:

We have these following probabilities:

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40% probability that an Ohio resident has a college degree.

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What is the probability that a randomly selected respondent voted for Obama?

This is the sum of 52% of 60%(non college degree) and 47% of 40%(college degree).

So

P = 0.52*0.6 + 0.47*0.4 = 0.5

50% probability that a randomly selected respondent voted for Obama.

8 0
2 years ago
Much like sound bites of news​ stories, statistical studies are often reduced to​ one- or​ two-sentence "stat-bites." For the​st
Ira Lisetskai [31]

Answer:

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Given that According to a video streaming​ service, 48% of American couples are​ "cheaters", that is—they promise each other to watch a film​together, but one of them first watches it alone.

Here if this is binomial with two outcomes we can easily say that the other 52% couples go together movies.

But here there are not only two outcomes.

The other possibilities are:

i) Either both do not go to movies

ii) Both cheat and go to movies separately

Thus since there are not exactly two outcomes, we cannot say the other 52% go to movies together.

As much as say that 52% of couples are not cheating in this way.

8 0
3 years ago
If b = -3, find<br> answer
Nookie1986 [14]

Answer:

-2

Step-by-step explanation:

(-3)^2+3(-3)-2\\=9-9-2\\=-2

6 0
3 years ago
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