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Sedbober [7]
1 year ago
9

Charlotte owns two entertainment websites. Here are some details about those websites for one entire month: Website A Website B

Number of writers 555 111111 Number of posts posted 110110110 200200200 Average number of words of post 100100100 170170170 Average likes per post 350035003500 350035003500 Average comments per post 500500500 450450450 Number of new subscribers 900090009000 20{,}00020,00020, comma, 000 Revenue \$30{,}000$30,000dollar sign, 30, comma, 000 \$75{,}000$75,000dollar sign, 75, comma, 000 Expenses \$20{,}000$20,000dollar sign, 20, comma, 000 \$47{,}000$47,000dollar sign, 47, comma, 000 Profit (Revenue-−minusExpenses) \$10{,}000$10,000dollar sign, 10, comma, 000 \$28{,}000$28,000dollar sign, 28, comma, 000 Charlotte wants to know which website generates more profit per resource invested. 1) Charlotte thought of two different ways to define this quantity. Identify these two definitions among the following options. Choose 2 answers: Choose 2 answers:
Mathematics
2 answers:
kompoz [17]1 year ago
8 0

Answer:

In conclusion:

1) These are the two definitions Charlotte came up with to define the quantity:

Profit divided by number of writers

Profit divided by expenses

2) According to both definitions, website B generates more profit per resource invested.

Step-by-step explanation:

Khan Academy Answer

Alisiya [41]1 year ago
6 0

Answer:

Please dont copy and paste these things, took me a long time to decode.

1)A and C are correct.

2)No, the deffinitions  have opposite results.

Step-by-step explanation:

1) They want to narrow down to "per writer" and A and C were the only ones that ended with per writer. It's about the writers not the words.

2)Website A had 22 posts per writer and 2200 words per writer.

   Website B had 18.1818... posts per writer and 3090.9090... words per writer.

Their results can't be compared because A is bigger in one thing and B is bigger in another. ( A in posts per writer and B had more words per writer. ) , so they are opposite results.

Hope this helped! Remember to not just copy and paste and expect an answer! If this helped, just give me a rating, a thank you, and maybe a comment if help is needed on another question! Have a great day!

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The given line is y = x - 4, and the given point is (-4, 2).

The slope of the given line is 1, and its y-intercept is (0, -4).

Part a.
The slope of a line parallel to the given line is 1.

Part b.
Let the equation of a line parallel to the given line be
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Let (x,y) be a point on a parallel line which passes through (-4,2).
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Part c.
The slope of a line perpendicular to the given line is -1.
The product of the slopes of perpendicular lines is -1.

Let (x,y) be a point on the perpendicular line which passes through (-4,2).
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Answers:
1. The slope is 1.
2. The point (0, 6) falls on the parallel line passing through (-4, 2).
3. The slope of a perpendicular line is  -1.
4. The point (0, -2) falls on the perpendicular line passing through (-4, 2).

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Answer:

a.

\bar X_F=43.7

\bar X_{NF}=30.32

b.

S_F=16.9278

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Attached file

d.

Apparently the practice of smoking reduces the ability to fall asleep, demanding much more time in individuals who smoke, than in those who do not smoke.

Step-by-step explanation:

a, b) For the group of smoking individuals, the average time it takes to fall asleep and the standard deviation of those times is:

\bar X_F={\frac{1}{n} \sum_{i=1}^n x_i = 43.7

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a, b) For the group of non-smoking individuals, the average time it takes to fall asleep and the standard deviation of those times is:

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c. In the attached file you can see the diagram of points for the times, in the smoking and non-smoking groups.

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