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polet [3.4K]
2 years ago
6

Which of the sets of ordered pairs represents a function? A= {(1, -2), (3, -5), (5, 2), (7, 5)}

Mathematics
2 answers:
miv72 [106K]2 years ago
8 0
Both a and b are functions.
gavmur [86]2 years ago
4 0
A because none of the x values can be repeated in a function
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A recent survey by the cancer society has shown that the probability that someone is a smoker is P(S)=0.29. They have also deter
GuDViN [60]

<u>Answer:</u>

The correct answer option is P (S∩LC) = 0.16.

<u>Step-by-step explanation:</u>

It is known that the probability if someone is a smoker is P(S)=0.29 and the probability that someone has lung cancer, given that they are also smoker is P(LC|S)=0.552.

So using the above information, we are to find the probability hat a random person is a smoker and has lung cancer P(S∩LC).

P (LC|S) = P (S∩LC) / P (S)

Substituting the given values to get:

0.552 = P(S∩LC) / 0.29

P (S∩LC) = 0.552 × 0.29 = 0.16

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3 years ago
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Step-by-step explanation:

6b < 42 or 4b + 12 > 8

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= 4b > - 12 + 8

= 4b > -4

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so

7 > b > -1

7 0
3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

since 2^2+3^2=4^2

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