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Fiesta28 [93]
2 years ago
13

55% of 120 children at the theatre were boys. How many were boys?

Mathematics
1 answer:
krek1111 [17]2 years ago
7 0
There were 66 boys.
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Please help!! I need all I can get!!
LuckyWell [14K]

Answer:

x = 13

Step-by-step explanation:

6x + 14 + 4x - 8 + 2x + 18 = 180  {Angle sum property of tiangle}

6x + 4x + 2x + 14 - 8 +18 = 180 {Combine like terms}

                         12x + 24 = 180 {Subtract 18 from both sides}

                                  12x = 180 - 24

                                  12x = 156       {Divide both sides by 12}

                                     x = 156/12

x = 13

3 0
3 years ago
50 POINTS!! HELP!
Minchanka [31]

i dont have time to do all of it (sorry)

but this is how you do the point and slope questions:

use the equation: y-y1 = m(x - x1)

y1 is the y point you are given

x1 is the x point you are given

m is your slope

substitute all of those in from the question

the first one is:

y --4 = -5/6(x-8)

-- turns into a plus so the answer would be

y+4 = -5/6(x-8)

6 0
2 years ago
Luis has three than dimes in his pocket, for a total of 1.80. which equation could be used to determine the number of dimes
Oksi-84 [34.3K]
X= 1.80/10 . x is the number of dimes. 1.80 is your total and 10 represents the worth of the dime
4 0
3 years ago
|x+8|=x+8 what is x?
Darya [45]

Answer:

x ≥ 0

Step-by-step explanation:

The absolute value of x+8 equals itself, thus x must be a real number (0 or any positive number).

7 0
3 years ago
En Colima se lleva acabo la conferencia sobre la energética eólica a la cual asistieron 120 representantes de Latinoamérica y Su
andriy [413]
The first thing we must do for this case is to see how many representatives from each country attended.
 We have then:
 Argentines = (1/6) * (120) = 20
 Chileans = (1/5) * (120) = 24
 Bolivians = (1/4) * (120) = 30
 Venezuelans = (1/4) * (120) = 30
 Adding we have:
 20 + 24 + 30 + 30 = 104
 Therefore the number of Americans is:
 120-104 = 16
 Answer:
 16 Americans attended the wind energy conference
4 0
3 years ago
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