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3 years ago

14

Being an introvert is cool.

2 answers:

igomit [66]3 years ago

8 0

Yes . I’m cool . Your cool. ;-;

Levart [38]3 years ago

5 0

Answer:

cool cool cool cool cool cool cool cool

:D

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How to solve this equation?

lilavasa [31]

I solved it on your other posting of it. x = 12
All of the steps are there

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3 years ago

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Which of the following is the reciprocal of 1 2/3

lana66690 [7]

The reciprocal is B. 3/5

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3 years ago

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Factorise fully 6ac + 10ac

ikadub [295]

Step-by-step explanation:

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3 years ago

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stich3 [128]

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2 years ago

By accident, four burned-out bulbs have been mixed in with 20 good ones. Ken is replacing old bulbs in his house. If he selects

ollegr [7]

We will be using the fact that $P(A \, and \,B) = P(A) \cdot P(B)$ , where $P(A)$ is the probability that the first bulb works and $P(B)$ is the probability that the second bulb works.

The probability that the first bulb works is $\frac{20}{24} = \frac{5}{6}$ . However, when we take one out (given that the first bulb works) we now have 19 working bulbs and 4 bad ones. This means that the probability that the second bulb works is $\frac{19}{23}$ .

Now, we can find our final probability:

$\dfrac{5}{6} \cdot \dfrac{19}{23} = \boxed{\dfrac{95}{138}}$

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3 years ago