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solong [7]
3 years ago
11

Please help! Use the Law of Cosines to find the values of x and y.

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

x = 8.39

y = 55.2

Step-by-step explanation:

9² + 1² - 2(9)(1)cos(50) = x²

x = 8.39

9/sin(y) = x/sin(50)

sin(y) = 0.8215200692

y = 55.23724927

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Answer:

Step-by-step explanation:

1. x+2y=6 or x=6-2y

3x-2y=2

3(6-2y)-2y=2

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-8y=-18+2

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x+2*2=6

x+4=6

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Proof:

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---------------------------------

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