I literally have a test tomorrow and dont know what to do please help

Mathematics

2 answers:

Fittoniya [83]2 years ago

3 0

B is yes and the rest are no. B is the only solution where y equals 1.

Novay_Z [31]2 years ago

3 0

Answer:

(-6, 1)

Step-by-step explanation:

y = 1 is the equation of a horizontal straight line that passes through (x, 1), where x can be any number. Four points are given. y = 1 for only one of them: (-6, 1). Answer "Yes" for this one point (the one in the second row).

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In triangle ABC, a = 9, c = 5, and angle B = 120°. Find the measure of angle A to the nearest degree. Show your work.

slamgirl [31]

<u>Answer:</u>

Angle A = 39°

<u>Step-by-step explanation:</u>

We are given that there is a triangle ABC where a = 9, c = 5 and angle B = 120° and we are to find the measure of angle A.

But first we need to find the side b using the law of cosine:

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