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lesya692 [45]
3 years ago
11

How do I this question : (1/3)(9y-24y+9)

Mathematics
1 answer:
yuradex [85]3 years ago
4 0

Answer:

Your answer will be:

-5y+3

Step-by-step explanation:

Step-by-Step explanation below in the picture.

Hoped this helped!

Please mark me brainliest...

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nadya68 [22]

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Step-by-step explanation:

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Have to find out what the angle x is respond ASAP pls
Sergeeva-Olga [200]

Answer: Angle x equals 19 degrees

Step-by-step explanation: We have two polygons, one with five sides and the other with eight sides. The question states that the pentagon has exactly one line of symmetry which means the line that runs down from point D to line AB divides the shape into exactly two equal sides. Hence angle A measures the same size as angle B (in the pentagon).

First step is to calculate the angles in the pentagon. The sum of angles in a polygon is given as

(n - 2) x 180 {where n is the number of sides}

= 3 x 180

= 540

This means the total angles in the pentagon can be expressed as

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x = 135 - 116

x = 19 degrees

3 0
3 years ago
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