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DanielleElmas [232]
2 years ago
12

Evaluate the following expressions. Let a = 5, b = -4, and c = 10.

Mathematics
1 answer:
frozen [14]2 years ago
3 0

Answer: -20, 6, 2, 5

Step-by-step explanation:

a = 5, b = -4, c = 10

12. ab = 5(-4) = -20

13. b + c = -4 + 10 = 6

14. c/5 = 10/5 = 2

15. c - 5 = 10 - 5 = 5

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3 years ago
What is the conditional probability that exactly four heads appear when a fair coin is flipped five times
cestrela7 [59]

Answer:

5/32

Step-by-step explanation:

If a coin if flipped five times with four heads, then it has exactly one tail. The number of way to arrange four heads and one tail are as follows:

T H H H H

H T H H H

H H T H H

H H H T H

H H H H T

Essentially, there are five way because there are five "positions" where the tail could be.

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2x2x2x2x2 = 32

You know that

probability= # of desired outcome

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                      # of total outcomes

So the probablity is 5/32.

8 0
3 years ago
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