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Paha777 [63]
2 years ago
6

Help I don’t know????

Mathematics
1 answer:
Sergio039 [100]2 years ago
5 0

y equals 2 parentheses x - 3 parentheses ^ 2 - 5

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Consider a game in which you flip a coin. If it comes up heads, you earn 1 point; if it comes up tails, you earn 0 points. What
Sergeeva-Olga [200]

Answer:

C. 0.5

Step-by-step explanation:

Since a coin has 2 sides and there is the same probability of getting either side, then each side has a 50% or 0.5 probability. Therefore, in order to calculate the expected value of one coin flip we need to multiply the value of each side by its probability and add those values together like so...

1 * 0.5 = 0.5

0 * 0.5 = 0

Now we add these values together...

0.5 + 0 = 0.5

Finally, we can see that the expected value of one coin flip is 0.5

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2 years ago
Which of the following three sets of lengths could be used to form a right triangle A 39,15 and 36
laila [671]

Step-by-step explanation:

To find a set of 3 leg lengths that will form a right-angled triangle, the square of the largest leg must be equal to the sum of the squares of the other 2 legs.

We try out all the options:

39² = 1521, 15² + 36² = 1521.

12² = 144, 8² + 4² = 80.

17² = 289, 13² + 9² = 250.

Since 39² equals 15² + 36², option A is the correct answer.

7 0
2 years ago
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Answer this question right I give you Brainly
White raven [17]

Answer:

A

Step-by-step explanation:

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The data shows a negative linear association so we can eliminate answer choice C

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X = 1/2 y = 4 by elimination

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