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Drupady [299]
3 years ago
13

Help please asap!!! Thank you!

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0

Answer:

Here's your answer.

Step-by-step explanation:

Just multiply in

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The best way to approach this problem is to look at the graph of the given function. Replace values of x from 1 to 24 to indicate the numbers of hours in a day. As seen on the graph, there is only one point where the port is at high tide. That would be at 1:00 am. 

Looking at the graph, it would be safe for the boats to be in the port when the graph levels off at around 10 to 24. That's from 10 am to before 12 midnight. Then, they would have to stay away between 12 midnight to before 10 am.

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Last spring, the drama department at Manchester High School had 12 students audition for the musical. This spring, there were 15
tamaranim1 [39]

Answer:

25%

Step-by-step explanation:

The percent of increase can be calculated using following formula:

\text{Percent Increase}=\dfrac{\text{Final Amount-Initial Amount}}{\text{Initial Amount}}\cdot 100\%.

In your case,

  • Initial amount = 12 students;
  • Final amount = 15 students,

then

\text{Percent Increase}=\dfrac{15-12}{12}\cdot 100\%=\dfrac{3}{12}\cdot 100\%=\dfrac{1}{4}\cdot 100\%=25\%.

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3 years ago
The net of a square pyramid is shown in the diagram.
lana66690 [7]

Answer:

23

Step-by-step explanation:

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2 years ago
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Which of the following conditions must be met if you want to use z-procedures to construct a confidence interval for a populatio
Ratling [72]

Answer:

A. The sample size must be at least 30 (some texts say 50).

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size, of at least 30, can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

So the correct answer is:

A. The sample size must be at least 30 (some texts say 50).

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