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Archy [21]
3 years ago
5

I need help with all plzzz

Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0
Hello,

The key to doing these problems is writing the fraction for each event and multiplying them. 

I will do the first problem for you. 

First, you have to draw an ace. The chances of that are 4/52.
Then, you have to draw a jack. The chances of that are 4/51.
We changed 52 to 51, because we didn't replace the ace that we drew the first time.

Multiplying those fractions gives us the answer 4/663.

I hope this gets you started in the right directions,
MrEQ
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Let's look at your function.

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x^2 - 16  is in the numerator. It is defined for every value of x. There is no problem there.

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Ok so first we need to distribute so:
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