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2 years ago

15

Which set of ordered pairs represents a function? {(-2, 4), (-1, 6), (-6, 3), (-6, 4)} {(5, 5), (9, 5), (-8, 0), (-7, 8)} {(-2,

6), (8, -3), (-8, 4), (8, -8)} {(-2, -1), (-1, 6), (2, 4), (-2, -9)}

1 answer:

Mademuasel [1]2 years ago

5 0

The first set. It repeated 6 on the X value

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a jar contains 30 red, 40 blue, and 50 white buttons. you pick one button at random, find the probability that is not white

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Answer:

<em>The probability that the button is not white is </em><em>0.583</em>

Step-by-step explanation:

The jar contains 30 red, 40 blue, and 50 white buttons.

In total there are 120 buttons in the jar. So,

$|\ S\ |=120$

Let us assume that, A be the event of picking white buttons, so

$|\ A\ |=50$

So the probability of picking white button is,

$P(A)=\dfrac{|\ A\ |}{|\ S\ |}=\dfrac{50}{120}$

Then the event $A^c$ will be not picking up white buttons, so the probability of not picking up white buttons is,

$P(A^c)=1-P(A)=1-\dfrac{50}{120}=\dfrac{70}{120}=\dfrac{7}{12}=0.583$

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2 years ago

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2 years ago