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OlgaM077 [116]
3 years ago
15

5. Find the missing reference angle using arcsin, arccos, or arc tangent. (Round to

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

16°

Step-by-step explanation:

Reference angle = \theta

Side Opposite to reference angle = 14

Adjacent side = 48

Hypotenuse = 50

Let's apply arcsin:

Thus:

\theta = sin^{-1}(\frac{Opp}{Hyp}) (recall: SOHCAHTOA)

Plug in the values

\theta = sin^{-1}(\frac{14}{50})

\theta = 16.2602047° = 16°

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4 years ago
A mechanic sells a brand of automobile tire that has a life expectancy that is normally​ distributed, with a mean life of 27 com
Harrizon [31]

Answer:

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.        

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We are given that the distribution of life expectancy is a bell shaped distribution that is a normal distribution.

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z_{score} = \displaystyle\frac{x-\mu}{\sigma}

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Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

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