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expeople1 [14]
3 years ago
12

A research group at Nike decides to survey NCSU students for their preferences in clothing brands. They divide all students into

groups according to the College they belong to (like College of Science, College of Architecture, etc.). Then they take a simple random sample of 50 students from EACH college. What kind of a sample is this
Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0

Answer:

Cluster sample

Step-by-step explanation:

i did it before

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Consider the triangle
svet-max [94.6K]

Answer:

Im confused what your trying to get at is there a picture or something

Step-by-step explanation:

4 0
2 years ago
The Patronete Winery's tastiest wine must have a 12% alcohol content. How many gallons of wine with a 9% alcohol content must be
erik [133]

Answer: 3000 gallon

Step-by-step explanation:

Here, The total quantity of 15% alcohol content = 3000 gallon

And, in which quantity of alcohol = 15% of 3000 gallon = 450 gallon.

Let the total quantity of 9% alcohol content  = x

In which quantity of alcohol = 9% of x gallon= 9x/100 gallon

Now, according to the question,  The wine with a 9% alcohol content will be mixed with 3,000 gallons of wine with a 15% alcohol content in order to achieve the desired 12% alcohol content.

Thus, the total quantity of mixture of 12% alcohol content = The total quantity of 15% alcohol content + total quantity of 9% alcohol content

= 3000 + x

In which quantity of alcohol = 12 % of ( 3000+x) = (360 + 12x/100) gallon ---(1)

But, the quantity of alcohol in 12 % of alcohol content = quantity of alcohol in 15% of alcohol content +  quantity of alcohol in 9% of alcohol content

The quantity of alcohol in 12 % of alcohol content = (450 + 9x/100) gallon ---(2)

On equating equation (1) and (2)

We get, 360 + 12x/100 = 450 + 9x/100

⇒ 3x/100 = 90

⇒ x = 3000

Therefore, The total quantity of the mixture of 9% alcohol content = 3000


6 0
3 years ago
X^2 + y^2 =-6x-14-6y
skad [1K]

Answer:

x=−3+√(−y−1)(y+5)

Step-by-step explanation:

thats if your solving for x if not to math w    l   ay

7 0
2 years ago
Jina must choose a number between 55 and 101 that is a multiple of 3, 6, and 9. Write all the numbers that she could choose.
kupik [55]

Answer:

Join Zoom Meeting  

Meeting ID: 385 546 8984

Passcode: icecream4

Step-by-step explanation:

8 0
2 years ago
Someone plz help me with this question with an explanation
Furkat [3]

To use the angle-angle similarity theorem you need to know 2 corresponding angles of each triangle are the same.

You are already shown that angles H and M are the same.

The sets of corresponding angles are:

H and M, N and I, and O and J

The answer would be angle O and angle J are similar.

4 0
3 years ago
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