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3 years ago

It takes 41 minutes for 9 people to paint 9 walls. How many minutes does it take 14 people to paint 14 walls?

Mathematics

2 answers:

borishaifa [10]3 years ago

7 0

It takes 41 minutes for 14 people to paint 14 walls!

VikaD [51]3 years ago

5 0

If each person is painting their own wall that means that it takes each person 41 minutes to paint their wall. That means it would take 41 minutes for 14 people to paint 14 walls.

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Three equivalent ratios of 10 to 15

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3 years ago

If the sine of an acute angle is 3/5, what is the cosine of<br> that angle?

Korvikt [17]

Answer:

The cosine of the angle is 4/5.

Step-by-step explanation:

An acute angle is between 0º and 90º, in the first quadrant of the trigonometric circle, in which both the sine and the cosine are positive values.

For each angle $\alpha$ , we have that:

$\sin^{2}{\alpha} + \cos^{2}{\alpha} = 1$

We have that:

$\sin{\alpha} = \frac{3}{5}$

$\sin^{2}{\alpha} + \cos^{2}{\alpha} = 1$

$(\frac{3}{5})^{2} + \cos^{2}{\alpha} = 1$

$\cos^{2}{\alpha} = \frac{16}{25}$

$\cos{\alpha} = \frac{4}{5}$

The cosine of the angle is 4/5.

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3 years ago

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Please help! I'll give a lot of points!!!

harina [27]

Answer:

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Step-by-step explanation:

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2 years ago

Molly bought 12.5 yards of fabric for $4.50 a yard to make dog beds.she uses 2.5 yards of fabric for each dog bed. She sells eac

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