8 to the power of negative 2 × a to the power of 7

Mathematics

1 answer:

solniwko [45]3 years ago

5 0

I'm sorry, all you did was say something. We need a question if you want an answer.

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Mhanifa can you please help me with this? It’s due ASAP! Look at the picture attached. I will mark brainliest!

WITCHER [35]

Answer:

8) 76°
9) 88°

Step-by-step explanation:

Sum of exterior angles of any polygon is 360°

<h3>Exercise 8</h3>

Sum of given angles:

2x + 60° + 64° + 36° + 48° = 360°
2x + 208° = 360°
2x = 360° - 208°
2x = 152°
x = 76°

<h3>Exercise 9</h3>

Sum of given angles:

x + 90° + 109°+ 73° = 360°
x + 272° = 360°
x = 360° - 272°
x = 88°

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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