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Tatiana [17]
2 years ago
6

In a well-shuffled, standard 52 card deck, what is the probability that a card is a Queen, given that it is a black card

Mathematics
2 answers:
yuradex [85]2 years ago
8 0

Answer:

2/52

Step-by-step explanation:

dlinn [17]2 years ago
7 0
There are two black queens in a standard deck, so the probability is 2/52 or 1/26.

If instead you know you pulled a black card from the deck and you’re wondering what the probably is that it’s a queen, then it’s 2/26, since there are still 2 black queens, but only 26 black cards.
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Write an equation to represent this line in point slope and slope intercept form....need help please..thanks.
GrogVix [38]
We can use rise over run to determine the slope is 5/8. Using this slope and the point (5,2) we can write the equation: y-2 = 5/8 (x-5) 

Decimal form of 5/8 is .625 , so it could be written y-2 = .625*(x-5)
5 0
3 years ago
At the start of a tennis match Ivan had 28/32 quart of water in his water bottle. He drank water from the bottle during the matc
const2013 [10]

Answer:

5/8 of a quart.

Step-by-step explanation:

That would be 28/32 - 1/4

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5 0
3 years ago
Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 8 terms
arlik [135]
First, we need to solve for the common ratio from the data given by using the equation.

a(n) = a(1) r^(n-1)
15 = -3 r^(2-1)
-5 = r
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Then, we can find the sum by the expression:

S(n) = a(1) ( 1 - r^n) / 1-r
S(8) = -3 (1 + 5^8) / 1+5
S(8) = -195313
3 0
3 years ago
A dog weighs 35.4 kilograms.1 kilogram=2.2 pounds,1 pound=0.45 kilograms.About how much does the dog weigh in pounds?Round to ne
AlladinOne [14]
Answer: 78 pounds
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Round to nearest whole: 78.
So the dog is 78 pounds
4 0
2 years ago
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11111nata11111 [884]

Answer:

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3 years ago
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