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Vladimir [108]
2 years ago
12

May someone help me plz? Thank you!

Mathematics
2 answers:
Aliun [14]2 years ago
5 0

The answer is D not C

Rama09 [41]2 years ago
3 0

Answer:

The answer is C!

Hope this helps! I need brainliest to level up!

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How to I find a? It’s round to the nearest tenth.
Irina18 [472]

Answer:

a ≈ 21.8

Step-by-step explanation:

We require the third angle in the triangle

Subtract the sum of the 2 angles from 180

third angle = 180° - (75 + 31.8)° = 180° - 106.8° = 73.2°

Using the Sine rule, that is

\frac{a}{sin73.2} = \frac{22}{sin75} ( cross- multiply )

a × sin75° = 22 × sin73.2° ( divide both sides by sin75° )

a = \frac{22sin73.2}{sin75} ≈ 21.8 ( to the nearest tenth )

7 0
3 years ago
I don’t know how to solve for Q.
Naya [18.7K]

Answer:

  ∠Q = 75°

Step-by-step explanation:

Start by recognizing that the triangle is isosceles (the long sides are marked as being equal-length). That means angles Q and R have the same measure.

Next, you use the fact that the sum of angles is 180° to write an equation.

  ∠R +∠P +∠Q = 180°

  (2x +15)° +x° +(2x +15)° = 180° . . . . substitute the known values

  5x +30 = 180 . . . . . . . . . . . . . . . . divide by °, collect terms

  5x = 150 . . . . . . . . subtract 30

  x = 30 . . . . . . . divide by 5

Then angle Q is ...

  ∠Q = (2x +15)° = (2×30 +15)°

  ∠Q = 75°

8 0
2 years ago
Another 2 questions
Valentin [98]
The first answer is 9x + 2y

the second answer is 3y
3 0
3 years ago
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Topic 9 Review
Lesechka [4]
Merry Christmas and a happy new year
3 0
3 years ago
Put them in order from least to greatest:<br> 9.5 9.66 9.662 9.551 9 9.59 9.626
Fiesta28 [93]

Answer:

9, 9.5,9.551,9.59,9.626,9.66,9.662

Step-by-step explanation:

4 0
3 years ago
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