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viktelen [127]
2 years ago
7

The computer repairman is given 6 computers to fix. He knows that among them there are 5 bad video cards and 4 failed hard drive

s. What is the probability that the first computer he tries has both problems?
Mathematics
1 answer:
Aloiza [94]2 years ago
5 0
5/9 because...

Probability that the first one has a bad video card: 5/6

Probability that the first one has a failed hard drive: 4/6

5/6 x 4/6 = 20/36 = 5/9
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Serga [27]

For every 5 green picks, 2 are orange. Adding 5+2 makes 7. 21/7 = 3

There are 3 sets of 5 green 2 orange picks. So 2*3 = 6.


There should be 6 orange picks.


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3 0
3 years ago
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Keith_Richards [23]

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5 0
3 years ago
Beth purchased a computer, and its value depreciated exponentially each year. Beth will sketch a graph of the situation, where x
Katyanochek1 [597]

What is x?

It is the number of years since purchase. Can this be negative?

NO! Years cannot be negative. So we disregard negative x-axis.


What is y?

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NO! At 0 value, the computer is worth nothing! There is nothing known as <em>negative </em>value. So we disregard negative y-axis.


The graph that Beth will sketch will have to be in the 1st quadrant (positive x-axis & positive y-axis).

ANSWER: Quadrant I only

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3 years ago
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Hope this helps you
6 0
2 years ago
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