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Harrizon [31]
2 years ago
13

Gordon rolls a fair dice 216 times. How many times would Gordon expect to roll a four?

Mathematics
1 answer:
Nana76 [90]2 years ago
8 0

Answer:

36

Step-by-step explanation:

1/6(216/1)

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When a researcher asks respondents for the names or identities of others like themselves who might qualify to take part in the s
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Answer:

Chain referral sampling

Step-by-step explanation:

Chain referral sampling is also known as snowball sampling. In this form of sampling, the samples are collected from the referrals given by the existing samples. The samples are collected and the research is conducted respectively. This method is used in the business marketing also. The places where the people are not known by the company, the method of chain referrals are made and the samples are collected.

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2 years ago
A walkway forms one diagonal of a square playground. The walkway is 14 m long. How long is a side of the playground?
Vilka [71]

Answer: The side of the playground is around 10 meters long

Step-by-step explanation:

use the diagonal as the hypotenuse of a right triangle, where the sides of the square form the legs of said triangle.

Usually

a^{2} +b^{2} =c^{2}

since we know a and b are the same length (sides of a square are congruent) we would have

a^{2} +a^{2} =c^{2} \\2a^{2} =c^{2}

We know that c is 14 so

2a^{2} =14^{2} \\2a^{2} =196\\a^{2} =98\\a=\sqrt{98} \\a= 9.999

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2 years ago
(7x2+3x-6)-(-4x2+x-2)
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