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Mathematics

1 answer:

Makovka662 [10]3 years ago

8 0

Use photo math to find the answer

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What is the perpendicular for x+4y= -2

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What is the slope of the line in the graph?

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Angle? Line?Line segment? Point? Ray?

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Answer:

That would be an angle

Step-by-step explanation:

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Read 2 more answers

It takes 636363 minutes for 444 people to paint 999 walls. how many minutes does it take 777 people to paint 444 walls? minutes

Alex777 [14]

Let t=time, p=people, and w=walls.

We know that the time it takes is directly proportional to the length of the wall but inversely proportional to the number of people working. That is
$t=k\cdot \frac{w}{p}$

We solve for the constant of proportionality, k.
$k=\frac{t\cdot p}{w}$

The initial values for k are the same for the final values. That is
$\frac{t_1\cdot p_1}{w_1}=\frac{t_2\cdot p_2}{w_2}$

$\frac{63\cdot 4}{9}=\frac{t_2\cdot 7}{4}$

$t_2=\frac{4\cdot 63\cdot 4}{7\cdot 9}=16$

It will take 16 minutes.

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3 years ago