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Kaylis [27]
2 years ago
7

Distribute to write an equivalent expression. 2n * (n ^ 2 + 3n + 4)

Mathematics
1 answer:
OverLord2011 [107]2 years ago
6 0

Answer:

C. 2n^3 + 6n^2 + 8n

Explanation:

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It is clear that a large survey is an appropriate method for a study of marriage patterns among college students. What will the
Ulleksa [173]

Answer:

Here the sample is the college students, and the researcher want's to do a survey to obtain information about marriage patterns.

Then, the ideal sample will be constituted of students of both genders, of different ideologies, of different social classes, of different religions, etc.

Then the thing that the researcher needs to do is:  

Define the size of the sample

Assign to each student a unique number.

using a random number generator,  generate enough different numbers to fill the sample.

Each of these numbers corresponds to a unique student, so now you have a complete sample of random selected students.

This sample can not be biased in any way.

7 0
3 years ago
What numbers added together equal -8
aliya0001 [1]

Answer:

-6 and -2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Anyone know the answer to this ?
Katyanochek1 [597]

Answer:

10.4

Step-by-step explanation:

(10x - 4)/5 = 20

(10x - 4) = 20 * 5

10x - 4 = 100

10x = 104

x = 104/10

x = 10.4

I would appreciate brainliest, have an amazing day!

4 0
3 years ago
What is the volume of the given shape? Leave answer in terms of π.
kodGreya [7K]

Volume of a cone = (PI * radius^2 * height) / 3

Volume of a cone = (PI * 3^2 * 8) / 3

Volume of a cone = (PI * 24)

Cylinder Volume = PI • r² • height

Cylinder Volume = PI * 3^3 * 12

Cylinder Volume = PI * 108

TOTAL Volume = PI * 132



8 0
3 years ago
A person can do a job in 6 days. Another can do the same job in 4 days. If they work together, how long do they need to finish t
stepan [7]

Answer:

5 days

Step-by-step explanation:

This would have to do with average. So if one does it in 6 days and the other does it in 4 days, you would do the number between them. So 5 is between 4 and 6.

The more complicated way of thinking of it is like this...

add 6 and 4           6+4     that  would  =   10

Because we added two numbers, we have to divide by two.

10/2      which equals 5.

If it was numbers closer together like. 6 and 7 the middle numbeR would be 6.5 for example.

I hope this helped!!

8 0
3 years ago
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