2 years ago

Select the letter of the best answer choice. Use 3.14 or 22/7 for π

Mathematics

1 answer:

Xelga [282]2 years ago

7 0

This is the answer if you're trying to find circumference

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Consider the following game. There is a bottle with 20 colored chips inside. There are 2 blue chips, 4 purple chips, 7 green chi

vekshin1

Answer: Expected value of playing the game is $0.

Step-by-step explanation:

Since we have given that

Total number of colored chips = 20

Number of blue chips = 2

Number of purple chips = 4

Number of green chips = 7

Number of red chips = 7

Amount of prize he gets for blue chip = $10

Amount of prize he gets for a purple chip = $5

No amount is given for red or green

Amount he had to pay = $2

So, Expected value of playing the game is given by

$\frac{2}{20}\times 10+\frac{4}{20}\times 5+7\times 0+7\times 0-2\\\\=1+1-2\\\\=2-2\\\\=\$0$

Hence, Expected value of playing the game is $0.

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2 years ago

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What are major turning points in algebraic knowledge through out history

tatuchka [14]

Answer:

There are a lot of turning point in the history of algebra one of those is the discovery of the plain and the quadrants by Rene Descartes. This discovery paved way to a lot of knowledge which was later on use in solving other complicated mathematical problems.

Step-by-step explanation:

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3 years ago

Two birds sit at the top of two different trees. The distance between the first bird and a birdwatcher on the ground is 29.7 fee

VladimirAG [237]

Answer:

44.87°

Step-by-step explanation:

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2 years ago

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At the beginning of the day, stock XYZ opened at $3.15. At the end of the day, it closed at $2.87. What is the rate of change of