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IgorLugansk [536]
3 years ago
11

Solving the missing side. Find the missing side. Round to the nearest tenth. Please show your work. Part 3. #9-10

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
4 0

Answer:

9. 16.6 units

10. 18.1 units

Step-by-step explanation:

9. We are given the opposite and adjacent sides of the angle 38 degrees, so we want to use tangent, which is opposite / adjacent:

tan(38)=13/x

x=13/tan(38) ≈ 16.6 units

10. We are given the adjacent and hypotenuse sides of the angle 25 degrees, so we want to use cosine, which is adjacent / hypotenuse:

cos(25)=x/20

x=20*cos(25) ≈ 18.1 units

Hope this helps!

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Answer:

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Step-by-step explanation:

Given:

A shipment to a warehouse consists of 4500 MP3 players the manager chooses a random sample of 50 MP3 players and finds that 7 are defective.

Now, to find the MP3 players which are likely to be defective.

Let the defective MP3 players be x.

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Now, setting the proportion:

If, 50 is equivalent to 7.

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Now, to solve using cross multiplication method:

\frac{50}{7} =\frac{4500}{x}

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<em>Dividing both sides by 50 we get:</em>

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Therefore, 630 MP3 players are likely to be defective.

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