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murzikaleks [220]
3 years ago
11

El ingreso que perciben en un barrio de la Ciudad de Cuenca durante un día de trabajo los niños y adultos de una familia es: $3

los niños menores de 15 años y $5 los adultos. Si al día reúnen un total de $80 y asisten a trabajar 20 personas, ¿Cuántos de ellos serán niños y cuántos serán adultos? R= 10 niños y 10 adultos
Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer:

im sorry i took long im not the best at math but since 10 equals r im not sure what you need to know but i think its 3+5r=80 i hope this help

Step-by-step explanation:

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Solve the equation <br> 4(2x + 1) = 6x - 12.<br> x = -13/2<br> x = -8<br> x = 8<br> x = 11/2
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Answer:

<em><u>X=-8 B      if i can get brainliest that would be great</u></em>

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4(2x+1)=6x−12

(4)(2x)+(4)(1)=6x+−12(Distribute)

8x+4=6x+−12

8x+4=6x−12

Step 2: Subtract 6x from both sides.

8x+4−6x=6x−12−6x

2x+4=−12

Step 3: Subtract 4 from both sides.

2x+4−4=−12−4

2x=−16

Step 4: Divide both sides by 2.

2x/2=−16/2

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Answer:

x=−8

7 0
3 years ago
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The following number line contains the points A, B, C, D, and E.
Troyanec [42]

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<h3>What is a Number Line?</h3>

This refers to the line that shows numbers from left to right and is marked at intervals that are negative to the left and positive to the right.

Based on the keen observation, there are 10 line segments that have an equal length and from the two points, there are two equal line segments,

So, the probability that a random point would fall between A and B is:

Number of line segments between AB/ number of line segments between AE

= 2 /10

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Read more about number lines here:

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Answer:

f ( x ) = 12 x

Step-by-step explanation: 3x4=12 so that makes it f(x)=12x

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3 years ago
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