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Nataliya [291]
3 years ago
8

. 7 prizes are to be distributed between 3 people with a guarantee that each person gets at least one prize. Find the number of

ways the prizes can be distributed.
Mathematics
1 answer:
ANEK [815]3 years ago
7 0

Answer:

Total number of ways to distribute the prize = 2187

3^{7}= 2187

Step-by-step explanation:

Given:

Number of prizes = 7

Number of peoples = 3

We need to find the total number of ways to distribute the prize.

Solution:

From the above statement, 7 prizes are to be distributed between 3 people, wherein each person gets at least one prize.

Each prize is to be distributed among three persons. When the first prize is to be awarded, one of the three is chosen to win the prize. When the second prize is to be awarded, there are again three choices.

So, total number of distribution of the prizes is given as:

3\times 3 \times 3\times 3\times 3\times 3\times 3=3^{7}

3^{7}= 2187

Therefore, total number of ways to distribute the prizes = 2187

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5(x+1)=20<br><br> What is is the answer?
Ilia_Sergeevich [38]

Steps to solve:

5(x + 1) = 20

~Distributive property

5x + 5 = 20

~Subtract 5 to both sides

5x + 5 - 5 = 20 - 5

~Simplify

5x = 15

~Divide 5 to both sides

5x/5 = 15/5

~Simplify

x = 3

Best of Luck!

3 0
3 years ago
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Which equation represents a line parallel to the line shown on the graph?
Mama L [17]

Answer:

-3x+3

Step-by-step explanation:

The equation to the line shown is formed as follows.

It passes through the points (-6,0) and (-8,6)

The gradient of the line=Δy/Δx

=(y₂-y₁)/(x₂-x₁)

=(6-0)/(-8--6)

=6/-2

=-3

The line parallel to the line shown has the same gradient i.e -3

Therefore the line in question is

-3x+3.

7 0
3 years ago
Please help I will brainliest!! Really urgent!!
asambeis [7]

Answer:1/9(x+0.1)

Step-by-step explanation:

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=1/9(x+0.1)

8 0
3 years ago
How would you do this, I am very confused
AfilCa [17]
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add up all angles 
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7 0
4 years ago
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The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?
harina [27]

Let

S------> The sum of the measures of the interior angles of a polygon

n-------> number of sides of a polygon

we know that

The formula to find the sum of the measures of the interior angles of a polygon is equal to

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in this problem

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Solve for n

S=(n-2)*180\\ \\ n=\frac{S}{180}+2\\ \\ n=\frac{2880}{180}+2\\ \\ n=16+2\\ \\ n=18\ sides

therefore

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18\ sides


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3 years ago
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