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Anna35 [415]
2 years ago
7

Details

Mathematics
1 answer:
ale4655 [162]2 years ago
5 0

Answer:

94 children, 64 students, and 47 adults attended the movie theater.

Step-by-step explanation:

Let; a be for adults, s for students, and c for children.

Make a system to solve for the amount of people.

c/a = 2

a + 2a + s = 205

3a + s = 205

Simplify.

s = 205 - 3a

s = 205 - 3a

c = 2a

Plug it in.

5c + 7s + 12a = 1482

10a + 7(205 -3a) + 12a = 1482

10a + 1435 - 21a + 12a = 1482

a + 1435 = 1482

a = 47

Substitute.

c = 2(47)

c = 94

Solve.

s = 205 - 3(47)

s = 64

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Answer:

7.21 unit

Step-by-step explanation:

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= 7.21 unit

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Ramon paid $3.25 for notepads and $1.80 for markers. what is the total number of items he bought?
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5.05

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What is the sum of three even consecutive integers is -72
Inga [223]

Answer:

-26,-24,-22

Step-by-step explanation:

<em><u>The correct question is</u></em>

The sum of three consecutive even integers is -72. what are the three numbers

Let

x ----> the first consecutive even integer

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x+4 ----> the third consecutive even integer

we know that

x+(x+2)+(x+4)=-72

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7 0
3 years ago
Two bags contain coloured cubes.
spayn [35]

Answer:

equal

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P (yellow  bag 2) = yellow /total = 1/5

P(red bag1 , yellow bag2) = 3/4* 1/5 = 3/20

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P (green  bag 2) = green /total = 3/5

P(blue bag1 , green bag2) = 1/4* 3/5 = 3/20

The probabilities are equal

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OLga [1]

Answer:

95.03in.^2

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