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sammy [17]
3 years ago
13

if you are dealt 3 cards from a shuffled deck of 52 cards find the probability that all 3 cards are picture cards

Mathematics
1 answer:
irinina [24]3 years ago
4 0
In a deck there are 4 colors and 3 faces per color, so 12 faces total.
the probability you will draw 3 picture cards is:

the probability you draw one picture card 12/52
multiplied by the probability that after drawing one picture card you draw another 11/51
multiplied by the probability that having drawn 2 picture cards, you draw another picture card 10/50

so P= (12/52)*(11/51)*(10/50)= 0.009955

you have about a 1% chance
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Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE
Furkat [3]

Answer:

x = -6 and x = 4

Step-by-step explanation:

In math, the critical points of a function are the points where the derivative equals zero.

So, first we will find the derivative of the function. The derivative is:

f'(x)=3x^2 +6x-72

Now, we are going to make the derivative equal zero and find the answers of the equation.

3x^2 +6x-72=0\\3(x^2 +2x-24)=0\\3(x+6)(x-4)=0\\

So we have that the critical points are the answers to this equation:

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Thus, the critical points are x=-6 and x=4

8 0
3 years ago
Plz help I need help
laiz [17]

Answer:

The answer is most likely -1 31/33

I have a hard time with fractions so I usually just go into my calculator and change it to a decimal. For example with -5 1/3 I would insert 1/3 into my calculator to change it to a decimal and then simply tack on the -5 to it. So in decimal form 1/3 is 0.333... so with the -5 added on its -5.333... Do the same for the other number and then divide. You will get -1.9393... all you have to do is go into your calculator and try out 11/12 or 31/33 to see which equals 0.9393... because those are the only options with a -1. In this case 31/33 equals 0.9393 s -1 31/33 is the answer

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Step-by-step explanation:

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3 years ago
Slope of (1, -1) and (5,-7)
Gemiola [76]

Answer: m = -3/2

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3 years ago
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