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horrorfan [7]
3 years ago
13

I had $3.00.

Mathematics
1 answer:
bekas [8.4K]3 years ago
3 0

Respuesta:

200.00.

Exli con i

esunsua ma

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It takes Emily eight hours to paint her house. Mike can paint the same area in nine hours. Find how long it would take them if t
emmasim [6.3K]

It will take them 4.24 hours together to paint the area together

Step-by-step explanation:

If Emily takes eight hours to paint the area then she will paint 1/8 of the house in one hour

Similarly, if Mike can paint the same area in 9 hours, then he will paint 1/9 of the same area

Let x be the number of hours in which they will together paint the area.

If x hours are taken by them to paint the area then 1/x of the area will be painted in one hour

So,

\frac{1}{8}+\frac{1}{9}=\frac{1}{x}\\Multiplying\ both\ sides\ with\ the\ LCM\\72x\\(72x)*\frac{1}{8}+(72x)*\frac{1}{9}=72x * \frac{1}{x}\\9x+8x=72\\17x=72\\Dividing\ both\ sides\ by\ 17\\\frac{17x}{17}=\frac{72}{17}\\x=4.24\ hours

It will take them 4.24 hours together to paint the area together

Keywords: Linear equation, Variables

Learn more about linear equations at:

  • brainly.com/question/10772025
  • brainly.com/question/10879401

#LearnwithBrainly

4 0
3 years ago
Read 2 more answers
2x + 3y = 17<br> 5x + 6y = 32<br><br> Usibg method if elimination
lions [1.4K]

Answer:

Solution (-2, 7)

Step-by-step explanation:

2x + 3y = 17      (1)

5x + 6y = 32    (2)

Using elimination method

Multiply (-2) to the equation (1)

-4x - 6y = -34  

Now you have 2 new equations

-4x - 6y = -34

5x + 6y = 32

----------------------------Add

x = -2

Substitute x = -2 into 2x + 3y = 17

2(-2) + 3y = 17

- 4 + 3y = 17

3y = 21

 y = 7

Solution (-2, 7)

6 0
3 years ago
Which of the following relations is a function?
Anon25 [30]

Answer:

D.(5,1),(-5,4),(2,1),(5,2)

6 0
3 years ago
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An inequality is shown.<br> 3<br> 8<br> Which values of x make the inequality true?
alisha [4.7K]

Answer:

i  will help in a bit

\

i will help in a bit

Step-by-step explanation:

6 0
3 years ago
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Where is 10 in the real number system
7nadin3 [17]
10 / 1 is a rational and which is equal to 10 so 10 is also a rational number
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