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Romashka-Z-Leto [24]
2 years ago
13

At an international conference, flags from 12 different countries will be displayed. Of these flags, 6 are from the continent of

South America and 6 flags are from the continent of Europe. The flags will be displayed in a row, alternating between continents. A flag from South America will be in the first position. In how many ways can the flags be displayed?
Mathematics
1 answer:
MissTica2 years ago
5 0

Using the Fundamental Counting Theorem, it is found that the flags can be displayed in 518,400 ways.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

In this problem, we have that odd positions get South American countries, hence:

n_1 = 6, n_3 = 5, n_4 = 3, \cdots, n_11 = 1

Even positions get European countries, hence:

n_2 = 6, n_4 = 5, \cdots, n_12 = 1

Hence, since the number of ways for both the South American and European countries is the factorial of 6, we have that:

N = 6! x 6! = 518,400

The flags can be displayed in 518,400 ways.

More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866

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No hablo expanol

7(z+2)-3z=44
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3 years ago
Write an equation in point-slope form for the line through the given point with the given slope.
Lilit [14]

The correct answer is D) y + 1 = 4/3(x - 9)

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y - y1 = m(x - x1)

Use the slope for m and the point for (x1, y1)

y + 1 = 4/3(x - 9)

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The cost of 24 pounds of cat food is $54. What is the cost per pound of cat food?​
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A bag contains 6 white marbles, 5 red
Artist 52 [7]

Answer:

1/30

Step-by-step explanation:

      6 white marbles

      5 red marbles

+    19 marbles of other colors

-----------------------------------------------

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First drawing:

p(white) = (number of white marbles)/(total number of marbles)

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Second drawing:

Since the first marble is replaced, there are still 30 marbles in the bag.

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The two drawings are independent events, so the overall probability of the two events is the product of the individual probabilities.

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p(white then red) = 1/30

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