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IgorC [24]
3 years ago
7

Given cos A 0.42, find angle A in degrees. Round your answer to the nearest hundredth.

Mathematics
2 answers:
kow [346]3 years ago
5 0

Answer:


Step-by-step explanation:

22.78.................................

k0ka [10]3 years ago
4 0

Answer:

A = 65.17

Step-by-step explanation:

Cos A = .42

Take the inverse cos of each side

arccos cosA = arccos .42

A = 65.16541251

To the nearest hundredth

A = 65.17


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Answer:

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Step-by-step explanation:

I'm going to solve this by substitution

We first need to get a variable by itself in one of the two equations (it doesn't matter which variable and the equation you do the work on doesn't matter either)

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add 4y and subtract 4 from both sides to get

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Divide by 4 to get

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We can plug this value in for y into the first equation and get

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ValentinkaMS [17]

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