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zvonat [6]
3 years ago
15

Zander wants to find out what the most popular sporting event is in the district’s high schools. He surveys a sample of the popu

lation. Under which condition is surveying a sample valid?
The population is small.
The population contains a large diverse group of people.
There are many different possible answers to the question.
There are some people in the population that do not like sports.
Mathematics
2 answers:
Cerrena [4.2K]3 years ago
7 0

Answer:

The answer would be B.

Step-by-step explanation:

I hope you all are doing great and staying positive. It will get better.

Akimi4 [234]3 years ago
3 0

Answer:

b

Step-by-step explanation:

i just did the test

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Oksana_A [137]

Answer:

17.6 m²

Step-by-step explanation:

Given the ratio of similar shapes = a : b, then

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Δ PTQ and Δ PRS are similar and so the ratio of corresponding sides are equal, that is

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ratio of areas = 2² : 3² = 4 : 9

let the area of Δ PQT be x, then using proportion

\frac{4}{x} = \frac{9}{x+22} ( cross- multiply )

9x = 4(x + 22) ← distribute

9x = 4x + 88 ( subtract 4x from both sides )

5x = 88 ( divide both sides by 5 )

x = 17.6

Thus area of Δ PQT = 17.6 m²

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Kobotan [32]

Your answer is letter A.

Hope this helps :)

8 0
3 years ago
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Step-by-step explanation:

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What would happen to the variance of a data set if we multiplied every observation by S?
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