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8090 [49]
3 years ago
13

Find x. Round your answer to the nearest tenth of a degree. 15 x 10

Mathematics
2 answers:
inna [77]3 years ago
6 0

Answer:

x is approximately 48.2.

Step-by-step explanation:

Use the trig function of cosine, or adjacent over hypotenuse.

cos theta = adjacent / hypotenuse

Substitute variables.

cos x = 10 / 15

Apply inverse cosine to both sides.

x = cos^-1(10/15)

Evaluate.

x ≈ 48.2

Tju [1.3M]3 years ago
4 0

Answer:

x ≈ 48.2°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos x = \frac{adjacent}{hypotenuse} = \frac{10}{15} , then

x = cos^{-1} (\frac{10}{15} ) ≈ 48.2° ( to the nearest tenth )

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