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elixir [45]
3 years ago
5

A card is chosen at random from a deck of 52 cards. What is the probability that a king or queen is chosen?

Mathematics
1 answer:
Slav-nsk [51]3 years ago
4 0

The answer is B) 2/13.

An easy way to figure this out is to find what the unsimplified probability would be:

Since there are 8 kings and queens in total, the number is:

8/52

But, since these are both even numbers, they can be simplified.

1/4 x 8 = 2

1/4 x 52 = 13

2/13

Since 13 is a prime number, the answer cannot be simplified anymore.

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Can you guys help please will mark brainliest answer.I need help on 24 and 28
frutty [35]
24) All percents are numbers with the decimal moved 2 to the right. So if you have 275%, move the decimal to the left twice to get a factor of 2.75. that means that the puppy is 2.75 times heavier at 4 months than it was at 2 months. Since you need the answer as a mixed fraction, your answer is;
2.75=2+\frac{3}{4}=2~\frac{3}{4}

28) If 6 of 75 trees are 30+ feet tall and you need to know how many are under, subtract 6 from 75 to get (75 - 6) = 69 trees under 30ft tall.
You're looking for the percent of trees under 30ft tall, so divide the number of trees <30ft by the total number of trees to get;
\frac{69}{75}= .92
Move the decimal 2 to the right to get 92%.
Your answer is that 92% of trees is under 30ft.
3 0
3 years ago
Help pls 6th grade math i will give brainliest
k0ka [10]

Answer:

4th one

Step-by-step explanation:

6 0
3 years ago
helpppppppppppppppppppppppppppppp............................ 2 more after this who ever answers it gets 50 points
Jet001 [13]

Answer:

4

Step-by-step explanation:

substitute: (4)^2 - (8 + 3)

16 - 11 = 4

6 0
2 years ago
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Naily [24]

Answer:

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Step-by-step explanation:

4 0
3 years ago
(-6x3-4x2-8)+(x3-x2-9x+4) add together and simply
Aleksandr [31]

Answer:

-5x³ -5x² -9x - 4

Step-by-step explanation:

(-6x³-4x²-8)+(x³-x²-9x+4)

Add the like terms.

-6x³ and x³ are like terms. -6x³ + x³ = -5x³

-4x² and -x² are like terms. -4x² - x² = -5x²

-8 and 4 are like terms. -8 + 4 = -4

-6x³-4x²-8 +x³-x²-9x+4 = -5x³ -5x² -9x - 4

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3 years ago
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