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Nimfa-mama [501]
3 years ago
13

You and a friend each randomly draw a card from a standard deck. What is the probability that at least one of you is holding a f

ace card (jack, queen, or king)?
10/17

100/169

3/13

7/17
Mathematics
2 answers:
attashe74 [19]3 years ago
4 0

Answer:

it is 16/52 so it is b=none of these

Step-by-step explanation:


lutik1710 [3]3 years ago
4 0

Answer: Fourth option is correct.

Step-by-step explanation:

Since we have given that

Total number of cards in deck = 52

Total number of face cards = 12

Number of cards are drawn = 2

Probability of getting at least one is holding a face card is given by

P(X=1)+P(X=2)

=\dfrac{^{12}C_1\times ^{40}C_1}{^{52}C_2}+\dfrac{^{12}C_2}{^{52}C_2}\\\\=\dfrac{12\times 40}{1326}+\dfrac{66}{1326}\\\\=\dfrac{480}{1326}+\dfrac{66}{1326}\\\\=\dfrac{546}{1326}\\\\=\dfrac{7}{17}

Hence, Fourth option is correct.

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Carlos has 24 balls of different colors: yellow, red, green, and blue. 17 balls are not red,10 balls are neither yellow nor blue
olga55 [171]

Answer:

10 green

Step-by-step explanation:

24 total balls. 17 Not red, so 24-17=7. 7 Red balls. That leaves 17 balls. 10 of them are neither yellow nor blue, and since the amount of red balls has been figured out, we do not need to account for them. 17 balls - 10 not yellow or blue equals 7 balls that can be yellow or blue. 17 balls left, minus the 7 yellow or blue balls equals 10.

6 0
2 years ago
4y-3(5y-2)=-4-4(-2-y)
Umnica [9.8K]

Answer:

-0.4

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which one i greater 2/8 or 1/2 ?
ryzh [129]
\frac{2}{8}=\frac{1}{4}\\
\frac{1}{2}=\frac{2}{4}\\\\
\frac{2}{4}>\frac{1}{4} \Rightarrow\frac{1}{2}>\frac{2}{8}
5 0
3 years ago
When building a house, the number of days required to build varies inversely with with the number of workers. One house was buil
Helga [31]

Let d represent number of days and n represent number of workers.

We have been given that when building a house, the number of days required to build varies inversely with with the number of workers.

We know that the equation y=\frac{k}{x} represents the relation where y is inversely proportional to x and k is the constant of proportionality.  

So our required equation would be d=\frac{k}{n}

Upon substituting our given values, we will get:

19=\frac{k}{35}

k=19\cdot 35

k=665

Since constant of proportionality is 665, so our equation would be d=\frac{665}{n}.

To find the number of days it will take to build a similar house with 5 workers, we will substitute n=5 in our equation as:

d=\frac{665}{5}

d=133

Therefore, it will take 133 days for 5 workers to build a similar house.

5 0
3 years ago
Find the missing dimension. Use the scale factor 1: 15. Door Model Height 10 in Actual
anygoal [31]

Answer:

The answer is "150 unit"

Step-by-step explanation:

scale factor = 1:15

height = 10

dimension =?

let dimension = x

\Rightarrow \frac{10}{x} = \frac{1}{15} \\\\\Rightarrow  150 = x\\\\\Rightarrow x= 150 \ units

5 0
3 years ago
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