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Marysya12 [62]
3 years ago
6

Two cards are selected at random from a standard deck of cards. What is the probability that you select a king or a queen? (If y

our answer will reduce, you should reduce it.) Also show you're work
Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0

Answer:

2/13

Step-by-step explanation:

In a standard deck of cards, there are 52 cards total, 4 kings, and 4 queens.

Probability is calculated by (number of favorable outcomes)/(number of possible outcomes), so our probability would be 8/52, which can be simplified to 2/13.

Hope this helps!

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Galina-37 [17]

Given rational expression is:


\frac{(4x^2-32x+48)}{(3x^2-17x-6)}

Now we can simplify this by factoring as shown below:


=\frac{4(x^2-8x+12)}{(3x^2-17x-6)}


=\frac{4(x-2)\left(x-6\right)}{(3x^2-18x+1x-6)}


=\frac{4(x-2)\left(x-6\right)}{3x\left(x-6\right)+1\left(x-6\right)}


=\frac{4(x-2)\left(x-6\right)}{(3x+1)\left(x-6\right)}


=\frac{4(x-2)}{(3x+1)}



Hence final answer is \frac{4(x-2)}{(3x+1)}




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2 years ago
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4 0
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Today only, a desk is being sold at a 29% discount. The sale price is $213.
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I actually rounded up maybe I shouldn't of then answer would be $274.76. im not postive this is correct .

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13 + 15 = 28

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