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ikadub [295]
3 years ago
10

Find x. Round your answer to the nearest tenth of a degree. plz help!

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

  36.9°

Step-by-step explanation:

The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

  cos(x) = 8/10 = 0.8

The inverse trig function is used to find the angle:

  x = arccos(0.8) ≈ 36.9°

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Step-by-step explanation:

Let's call the common difference (the difference between two consecutive terms) as d. We see that the second term is 19 and the 5th term is 34 and since 5 - 2 = 3, we add d 3 times to 19 to get 34 so therefore:

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