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Doss [256]
2 years ago
6

Solve for x. Round your answer to the nearest tenth. Will brainlist first correct

Mathematics
2 answers:
Svetlanka [38]2 years ago
6 0

Answer:

x ≈ 35.1°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos x = \frac{adjacent}{hypotenuse} = \frac{27}{33} , then

x = cos^{-1} ( \frac{27}{33} ) ≈ 35.1° ( to the nearest tenth )

olga55 [171]2 years ago
4 0

Answer:

Step-by-step explanation: you can use : soh cah toa because this is a right triangle

cos 0 = a/ h

cos 0= 27/33

x= cos -1^( 27/33 ) cos inverse

x = 35.096

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Svetllana [295]

Answer:

x = 1

y = -3

Step-by-step explanation:

cos(pi) = -1

so many ways :

sqrt(0.5/2) = sqrt(0.5/2 × 8/8) = sqrt(4/16)

= sqrt(0.5/2 × 18/18) = sqrt(9/36)

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"nicest" approach (all integers) :

3x² = sqrt(9)

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x² = 3/3 = 1

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2y = sqrt(36)

2y = 6

y = 6/2 = 3

one of them has to be negative (because cos(pi) = -1), so it has to be y, because 3x² cannot be negative with real numbers.

so, y = -3

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3/6 = 1/2

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4 0
2 years ago
Help anyone can help me do this question,I will mark brainlest.​
oksian1 [2.3K]

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Step-by-step explanation:

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