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Sauron [17]
3 years ago
12

Autumn sells laptop computers for $800 each. If she sells 57 computers, how much money does she earn?

Mathematics
1 answer:
Dvinal [7]3 years ago
6 0

Answer:

She will earn $45,600.

Step-by-step explanation:

Step 1: Multiply 800(the amount of money ONE computer costs) by 57(the number of computers sold)

It should look like this:

800 x 57

When you multiply right, you should get 45,600 dollars.


Hope this helped!! :)

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Suppose you choose a marble from a bag containing 3 red marbles, 5 white marbles, and 4 blue marbles. You return the first marbl
Veseljchak [2.6K]

Answer:

P(red and blue) = 0.1667

Step-by-step explanation:

Let A represent choosing a red marble, there are 3 red marbles

Let B represent choosing a blue marble, there are 4 blue marbles

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Then...

P(A) = 3/12

P(B) = 4/12

choosing the first one, then replacing means the first choice has no effect on the probabilities of the second choice, so the situation is independent.  

When calculating the probability of independent events, you multiply the probabilities together.  There are 2 scenarios where we can get a red and blue marble..

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Choosing a blue, then a red marble, the probability is

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So we have a

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3 years ago
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We can double check to make sure we got the right answer.

123.6 + 56.4 = 180
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