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Mekhanik [1.2K]
3 years ago
9

What is the slope of the line shown below?

Mathematics
1 answer:
Vinil7 [7]3 years ago
4 0

Answer:

D)3

Step-by-step explanation:

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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
Josie's Pie Shop has 20 pies for sale, including 6 chocolate cream pies.
ANTONII [103]
30%. You can get this by dividing the number of them by the total number and multiplying by 100. 
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3 years ago
The base of a circular fountain has a radius of 3.5 feet. What is the approximate circumference of the base of the fountain?
vagabundo [1.1K]

Answer:

circumference = 21.98 feet

Step-by-step explanation:

circumference = 2 x R x π = 2(3.5)(3.14) = 21.98 feet

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3 years ago
These two triangles are similar. What are a and b? Note: the two figures are not drawn to scale. Please help with this!
borishaifa [10]

Answer:

A.36 inches B.150 inches

Step-by-step explanation:

multaply 9×4 for A and 10×15 forB

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The experimental probability of rain in a certain town is 20 percent. In the next 45 days, how many days can one expect it to ra
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9.

hope this helps :)

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