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kompoz [17]
3 years ago
11

!!!! HELP!!! What is the solution to this system of linear equations?

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0
The answer is (7, 3) if you need explanation let me know I’ll send the work
earnstyle [38]3 years ago
3 0

Answer:

(7, 3)

Step-by-step explanation:

get rid of the y by adding:

 x=-2

+x=16

then add the equalities:

2x=14

divide by 2:

x=7

then subsitute the x in to find y!

7+3y=16

3y=16-7

3y=9

y=3

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If cos8x = 13/36 find the value of cos4x.​
Elina [12.6K]

The value of cos 4x from the given identity is 0.999

<h3>Trigonometry identity</h3>

Given the cosine identity

cos8x = 13/36

Determine the value of x

8x = arccos(13/36)
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Learn more trig identity here; brainly.com/question/7331447

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3 years ago
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