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2 years ago

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Mathematics

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erastova [34]2 years ago

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Identify which of these types of sampling is used: random, stratified,systematic, cluster, convenience. 49, 34, and 48 students

Andrew [12]

Given

49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.

To find:

Which of these types of sampling is used: random, stratified, systematic, cluster, convenience?

Explanation:

It is given that,

49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.

That implies,

Since Stratified random sampling is a method of sampling that involves dividing a population into smaller groups–called strata.

Then, the random sampling used is Stratified Random Sampling.

7 0

1 year ago

How do you convert 5y-x+4=0 into y=mx+b form?

Mashutka [201]

$5y-x+4=0$

~Add x to both sides

$5y+4=x$

~Subtract 4 from both sides

$5y=x-4$

~Divide both sides by 5

$\frac{5}{5}y= \frac{1x}{5} - \frac{4}{5}$

~Simplify

$y= \frac{1}{5} x- \frac{4}{5}$

~M= $\frac{1}{5}$

~B= $-\frac{4}{5}$

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3 years ago

6.) 92% of 58 is what?

KATRIN_1 [288]

Answer: 53.36

Step-by-step explanation:

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2 years ago

Cual es el area de un circulo que mide de diametro 13.6

Vinil7 [7]

Answer:

About 145.27

Step-by-step explanation:

The diameter of a circle is twice the radius, meaning that the radius of this circle is 13.6/2=6.8.

$A=\pi r^2=\pi \cdot 6.8^2=46.24\pi \approx 145.27$

Hope this helps!

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2 years ago

What is the area of a quadrilateral with vertices at (-6,6), (-1,6),(-6,10), and (-1,10)

ipn [44]

Answer: 20

Step-by-step explanation:

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2 years ago

The picture is the question​

The picture is the question