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qaws [65]
3 years ago
7

A standard deck of cards consists of four suits (clubs, diamonds, hearts, and spades), with each suit containing 13 cards (ace,

two through ten, jack, queen, and king) for a total of 52 cards in all. How many 5-card hands will consist of exactly 3 kings and 2 queens?
Mathematics
1 answer:
lesantik [10]3 years ago
7 0

Answer:

24

Step-by-step explanation:

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

Selection of 3 kings out of 4 = 4 C 3 = 4

Selection of 2 queens out of 4 = 6

So, total number of selections = 4 x 6 = 24

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A coin is tossed then a number 1-10 is chosen at random what is the probability of getting heads then a number less than 4
Darya [45]
The probability of getting heads on a coin toss is 0.5
The probability of choosing a number <u>less</u> than four is 3/10 (1,2,3)

Therefore, the probability of getting heads <u>and</u> choosing a number less than four is:
=  \frac{1}{2} (\frac{3}{10}) = \frac{3}{20} = 0.15

Hope this helps!
3 0
3 years ago
The sum of a number and its square is 42. Which equation can be used to find the two numbers for which this is true?
tankabanditka [31]

Answer:

x² + x = 42

Step-by-step explanation:

Let the number be x then the square of this number is x²

Sum and equate to 42, that is

x² + x = 42

6 0
2 years ago
Evaluate −2(2/5)^10x for x=1/5.
kenny6666 [7]

Answer:

-8/25

Step-by-step explanation:

I took the test and i got it right

8 0
2 years ago
What would Y be equal to in the problem 0.5x + 0.6y = 5.4
Alla [95]

Answer:

y = -\frac{5}{6}x + 9

Step-by-step explanation:

0.5x + 0.6y = 5.4

0.6y = -0.5x + 5.4

Multiply 10 on all sides.

6y = -5x + 54

Divide 6 on all sides.

y = -\frac{5}{6}x + 9

7 0
2 years ago
How do you write .0008 in word form
mr_godi [17]
<span>Sixty-two thousand, one hundred thirty-seven.

</span>
7 0
3 years ago
Read 2 more answers
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