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Free_Kalibri [48]
2 years ago
5

Help pleaseeeeeeee :)))))) and thank you! ​

Mathematics
2 answers:
Nat2105 [25]2 years ago
8 0

Answer: The answer is B 103

Step-by-step explanation:

Zolol [24]2 years ago
4 0

Answer:

103

Step-by-step explanation:

103.3's 3 is closer to 0 than 5

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Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a king and
STALIN [3.7K]

Answer:

0.0181 probability of choosing a king and then, without replacement, a face card.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Probability of choosing a king:

There are four kings on a standard deck of 52 cards, so:

P(A) = \frac{4}{52} = \frac{1}{13}

Probability of choosing a face card, considering the previous card was a king.

12 face cards out of 51. So

P(B|A) = \frac{12}{51}

What is the probability of choosing a king and then, without replacement, a face card?

P(A \cap B) = P(A)P(B|A) = \frac{1}{13} \times \frac{12}{51} = \frac{1*12}{13*51} = 0.0181

0.0181 probability of choosing a king and then, without replacement, a face card.

5 0
3 years ago
4x-y=1 slope intercept form​
Semmy [17]

Answer:

y=4x-1

Step-by-step explanation:

4x-y=1

4x=y+1 then negative Y becomes positive after going to the other side of the equal sign.

4x-1=y the positive 1 becomes negative after going to the other side of the equal sign.

5 0
3 years ago
Read 2 more answers
A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students?
LenaWriter [7]

Answer:

12:27

Step-by-step explanation:

27 - 15 = 12

There are 12 girls and 15 boys.

12:27 is the ratio of girls to the total amount of students.

8 0
3 years ago
Read 2 more answers
What is the answer to 3x-17=7x-9​
GrogVix [38]

Answer:

x=-2

Step-by-step explanation:

  -4x - 8  =   -4 • (x + 2)

5 0
2 years ago
Read 2 more answers
The mean of 8 math quiz scores is 88. If the first seven scores are 85,70,92,85,91,100, and 88, what is the eighth quiz score? U
777dan777 [17]

Answer:

93

Step-by-step explanation:

The mean of a list of numbers is the sum of the numbers divided by the count of the numbers in the list.

In this case, representing the eighth score with x, the mean is (611+x)/8

Solving for the mean:

88=(611+x)/8

Multiply both sides by 8

8*88=611+x

704=611+x

704-611=x

x=93

3 0
3 years ago
Read 2 more answers
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