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-BARSIC- [3]
3 years ago
6

If a single card is drawn from a standard 52-card deck, in how many ways could it be a diamond or a face card (a face card is a

Jack, Queen, or King)?
Mathematics
2 answers:
nataly862011 [7]3 years ago
6 0
There are 13 diamonds, and 4*3=12 face cards, of which 3 are diamonds.
So total of "diamond or face card" is 13+12-3=22.
=> 
Probability of drawing a diamond OR a face card from a full 52-card deck is
22/52=11/26.
zhuklara [117]3 years ago
4 0

Answer:

\frac{11}{26}

Step-by-step explanation:

Total number of cards in the deck = 52

Total number of face cards = 12

Total number of diamond cards = 13

Total number of diamond face card = 3

So, total number of ways become = 12+13-3=22

These are out of 52.

Hence, it could be a diamond or a face card = \frac{22}{52}=\frac{11}{26}

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7 0
3 years ago
Suppose x=7 is a solution to the equation 4x-2(x+a)=8 how can you find the value of a that make the equation true
marta [7]

Answer:

a = 3

Step-by-step explanation:

Since x = 7 is a solution, substitute x = 7 into the equation and solve for a

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8 0
2 years ago
angle A and angle B are vertical angles. If angle A= (5x – 9)° and angle B = (8x – 30) then find the value of x.
puteri [66]

Answer:

x=7

Step-by-step explanation:

5x-9=8x-30

8x-5x=-9+30

3x=21

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8 0
2 years ago
6m-6=9m+15 (Show work)​
9966 [12]

Answer:

m=-7

Step-by-step explanation:

6m-6=9m+15

Add 6 to both sides:

6m-6+6=9m+15+6

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Subtract 9m from both sides:

6m-9m=9m+21-9m

-3m=21

Divide both sides by -3:

\frac{-3m}{-3}=\frac{21}{-3}

m=-7

6 0
3 years ago
Read 2 more answers
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