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bekas [8.4K]
3 years ago
15

In ABC, C is a right angle, what is the measure

Mathematics
2 answers:
shtirl [24]3 years ago
8 0

The answer is 67.6

You have to find the angle that has cos=8/21=0.381.

ch4aika [34]3 years ago
3 0

Answer:

67.6 degrees

Step-by-step explanation:

You need to use cosine to solve this.

so, cosine is adjacent leg over hypotenuse. which is 8/21. and it is 0.381.

and when you do cos^-1 (0.381), then it is 67.6.

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8 (3f - g) when f = 9 and g = -3​
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Step-by-step explanation:

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3 years ago
Combine the following sets of terms.
DanielleElmas [232]

Let's simplify step-by-step To understand :)

3x2−7x−(x2+3x−9)

Distribute the Negative Sign:

=3x2−7x+−1(x2+3x−9)

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Combine Like Terms:)

=3x2+−7x+−x2+−3x+9

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Answer :)

=2x2−10x+9


HOPE THIS HELPS

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