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3 years ago

PLS HELP! ILL GIVE BRAINLIEST

Mathematics

2 answers:

Elis [28]3 years ago

8 0

Answer:

x = 1/5

Step-by-step explanation:

(2+x) + (2+x) + (2+x) + (2+x) + (2+x) = 11

5(2 + x) = 11

divide each side by 5

2 + x = 11/5

subtract 2 from each side

x = 11/5 - 2

2 = 10/5

x = 11/5 - 10/5

x = 1/5

lubasha [3.4K]3 years ago

4 0

left = right

2.5 + x.5 = 11

10 + 5x = 11

5x = 1

x = 1/5

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melisa1 [442]

The number of tickets sold are:

30 children tickets were sold
33 adult tickets were sold

<h3>How to determine the number of tickets sold to children and seniors?</h3>

From the question, we have the following parameters:

Number of tickets = 63

Total amount = 444 Birr

Adult ticket = 8 Birr per adult

Children ticket = 6 Birr per adult

Represent the children tickets with x and adults ticket with y.

So, we have the following system of equations

x + y = 63

6x + 8y = 444

Express the equations as a matrix

x y

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Apply the following transformation

R2 = R2 - 6R1

This gives

x y

1 1 63

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Apply the following transformation

R2 = 1/2R2

x y

1 1 63

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From the above matrix, we have the following system of equations

x + y = 63

y = 33

Substitute y = 33 in x + y = 63

x + 33 = 63

Subtract 33 from both sides of the above equation

x = 30

Hence, 30 children tickets were sold and 33 adult tickets were sold

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brainly.com/question/14529256

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2 years ago

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ruslelena [56]

Answer:

<h2>a) approximately 133 graduates</h2><h2>b) approximately 120°</h2>

Step-by-step explanation:

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2 years ago

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4 years ago

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adelina 88 [10]

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3 years ago

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mr Goodwill [35]

Answer:

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