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3 years ago

What is the probability of choosing a king in a deck of 52 cards?

2 answers:

8 0

<span>K) = 4/51 since there are four aces in the deck but only 51 cards left after the king has been removed. WITH REPLACEMENT: Find the probability of drawing three queens in a row, with replacement. We pick a card, write down what it is, then put it back in the deck and draw again.</span>

Sergeeva-Olga [200]3 years ago

4 0

Probability is the ratio of no. of favorable/desired outcomes to the total outcomes possible, in this case desired outcome is king. As there are 4 kings, so favorable outcomes are 4. Now as there are 52 cards, so there can be 52 outcomes in total.
so probability of choosing a king is = 4/52.

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Question 1 (0.5 points)

Finger [1]

Answer:

39.91 degrees.

Step-by-step explanation:

Formula

Sin(A)/a = Sin(B) / b

Givens

A = 84
a = 31
B = ?
b = 20

Solution

Sin(84)/31 = Sin(B)/20

20*Sin(84) / 31 = Sin(B)

Sin(B) = 0.6416

B = 39.91 degrees.

====================

This looks like it is right, but you should check. Let h be the height opposite angle A.

h/20 = sin(39.91)

h = 20*sin(39.91)

h = 12.83

31 has to be longer than that amount (which it is.) So there is one solution.

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1 year ago

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Bas_tet [7]

Answer:

The answer would be 0.83 repeated decmal

Step-by-step explanation:

All you got to do is divide the two numbers and it'd give you 0.83 repeated decmal

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1 year ago

What is the value of x?

zaharov [31]

Answer: around 47-49

Step-by-step explanation:

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2 years ago

Read 2 more answers

What is 0.194 with only thhe 9 and 4 repeating as a fraction?

nirvana33 [79]

193/990 Would be the answer. If you want the steps to find it, just ask.

5 0

2 years ago