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azamat
2 years ago
11

Please help! Thank you

Mathematics
2 answers:
erica [24]2 years ago
7 0

Answer:

B 10/26

Step-by-step explanation:

Cosine is the adjacent side over the hypotenuse.

horrorfan [7]2 years ago
5 0

Step-by-step explanation:

cos A=base/hypotenuse

cosA=10/26 is your answer

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snow_lady [41]

Answer:

x = 30°

The angles:

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Step-by-step explanation:

Hello!

The sum of all the angles in a triangle is 180°. So we can set up an equation for this question.

Solve the equation:

  • 2x° + 3x° + x° = 180°
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We can replace 30° for all the angles.

The measures are:

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  • 3(30°) = 90°
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4 0
1 year ago
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Answer:

To check if a given value is a solution to an equation:

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Evaluate the right-hand side expression at the given value to get a number.

See if the numbers match.

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3 years ago
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