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Ratling [72]
1 year ago
15

There are 46 children going to a party. 18 will wear black costumes, 12 will wear orange costumes and some will wear both black

and orange. half of the guests will go in costumes that are neither black nor orange. how many children will wear both orange and black
Mathematics
1 answer:
Juliette [100K]1 year ago
3 0

The number of children who wore both orange and black will be 8.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

There are 46 children going to a party. 18 will wear black costumes, 12 will wear orange costumes and some will wear both black and orange.

Then the number of children who wear costumes and black & orange. Then we have

⇒ 46 - 18 - 12

⇒ 46 - 30

⇒ 16

Half of the guests will go in costumes that are neither black nor orange. Then we have

⇒ 16 / 2

⇒ 8

Then the number of the children who orange and black will be  

⇒ 16 - 8

⇒ 8

The number of children who wore both orange and black will be 8.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ2

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10x + 7y = –8<br> 7x + 7y = –14
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Answer:

(2, - 4 )

Step-by-step explanation:

Given the 2 equations

10x + 7y = - 8 → (1)

7x + 7y = - 14 → (2)

Subtract (2) from (1) term by term to eliminate y

(10x - 7x) + (7y - 7y) = - 8 - (- 14) , that is

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x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

10(2) + 7y = - 8

20 + 7y = - 8 ( subtract 20 from both sides )

7y = - 28 ( divide both sides by 7 )

y = - 4

solution to the system of equations is (2, - 4 )

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2 years ago
The equation of a circle is x^2 + y^2 - 12x + 6y + 20 = 0. What is the radius of the circle?
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The radius of the circle is 5.
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What is the approximate circumference of a circle with a radius of 8.5 meters? Use π ≈ 3.14.
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3 0
3 years ago
Order Of operation.
Nikolay [14]

Answer

18(2)+12(2)-4(5)

36+24-20

60-20

40

Step-by-step explanation:

since they had two-18 yard passes and two 12 yard runs, that's the first part of the expression, and then they had four penalties that cost them 5 yards, and that was the last term. When you simplify, you end up with 40 yards gained.

In math

Passes: 18(2)

Runs: 12(2)

Penalties:4(5)

equation

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Hope it helped

7 0
3 years ago
Read 2 more answers
What times what is 14
erastovalidia [21]
1 x14=14  * what times one is one*
2 x7=14 
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3 years ago
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