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2 years ago

Brian is choosing an appetizer, an entrée, and a drink. If he

Mathematics

2 answers:

Jet001 [13]2 years ago

7 0

Answer:

Total number of possible outcomes = 27

Number of favorable outcomes = 1

Probability = 1/27

Step-by-step explanation:

galben [10]2 years ago

5 0

Answer:

The first question is right :) :) :)

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Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2)

zmey [24]

(3x³ + 2x² - 5x) - (8x³ - 2x²<span>) =
</span>3x³ + 2x² - 5x - 8x³ + 2x² =
-5x³ + 4x² - 5x

5 0

2 years ago

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At Brighton Middle School, Mr. Yule asked 50 randomly selected students from each grade level about their favorite subject, and

Ugo [173]

Answer:

Yes, he made a reasonable inference by saying about 25 percent of students choose the science.

Step-by-step explanation:

Given that

Number of students for survey = 50

Number of students who choose science = 12

Now

Percentage of student who choose science = $\frac{12}{50} x 100$

Percentage of student who choose science = $\frac{12*100}{50}$

Percentage of student who choose science = 24 %

Now as Mr. Yule said "about 25" percent of students choose the science it can be treated as reasonable approximation.

Now if the number of students in survey become 200, then we can expect 12 out of every 50 students would choose the science. So, in total 48 students would choose the science.

Now lets calculate the percentage of students who choose science.

Percentage of student who choose science = $\frac{48}{200} x 100$

Percentage of student who choose science = $\frac{48*100}{200}$

Percentage of student who choose science = 24 %

7 0

2 years ago

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PLEASE HELP 30 PTS!!

Troyanec [42]

I hope this helps you

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2 years ago

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nadia was offered a job for selling ads cor a magazine. She must agree to one of the following paymen options. CHOICE A:$110 for

Fittoniya [83]

Let us say that:

x = is the number of ads that Nadia sold every week

P = payment or amount that she receives every week

So the equations we can formulate for choice A and B are:

choice A: P = 110 x

choice B: P = 150 + 85 x

The amount that she receives for A must be greater than she receives for choice B, so:

110 x > 150 + 85 x (inequality equation)

Calculate for x:

110 x – 85 x > 150

25 x > 150

x > 6

Therefore Nadia must sell more than 6 ads every week so that Choice A would be the better choice.

6 0

2 years ago

A pile of 10000 sheets of paper is 85cm thick. What is the thickness of 1 sheet of paper?

vodka [1.7K]

To find the thickness of one paper, you set up proportions. 10,000 sheets/85 cm=1 sheet/ x cm. Then you cross multiply and get,
85=10,000x
Then find x,
x=.0085
Or .0085 cm
Another way to find it is just to divide 85 by 10,000 from the start because you need to find the thickness of one paper, not ten thousand.
Hope this helps.

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2 years ago

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