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bogdanovich [222]
3 years ago
10

3x + 4y = -23

Mathematics
1 answer:
Olenka [21]3 years ago
8 0

Step-by-step explanation:

I belive is choice 2 cause I only got -19 with that one

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The regular hexagon shown has rotational symmetry. Which of the following is its angle of rotation?
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3 years ago
What is the length of AC? What is the measure of angle A? What is the measure of angle B?
kipiarov [429]

Answer/Step-by-step explanation:

✔️Find AC using Pythagorean Theorem:

AC² = 25.2² - 11.3²

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AC = √507.35

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✔️Find m<A using trigonometric ratio:

Reference angle = A

Opp = 11.3

Hyp = 25.2

Sin(A) = opp/hyp

Sin(A) = 11.3/25.2

A = sin^{-1}(11.3/25.2)

A = 26.6° (nearest tenth)

✔️Find m<B using trigonometric ratio:

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Adj = 11.3

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Cos(A) = adj/hyp

Cos(A) = 11.3/25.2

A = cos^{-1}(11.3/25.2)

A = 63.4° (nearest tenth)

6 0
3 years ago
FIRST CORRECT ANSWER GETS BRAINLIEST!!! 20 POINTS!!!!!
Leto [7]

Answer:

14

Step-by-step explanation:

When you plug this expression into the calc, you should get 14 as your answer.

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