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aleksandr82 [10.1K]
3 years ago
9

-2 (4x - 5) + 3x - 1

Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0

Answer:

− 5 + 9

Step-by-step explanation:

Please let me know if you got the answer correct cuz I'm not quite sure if I got it correct myself

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How many sides does a polygon have if the sum of the measures of the interior angles is 3960
anastassius [24]

Answer: the polygon has 20 sides.

Step-by-step explanation:

The formula for determining the sum of the measure of the interior angles in a regular polygon is expressed as (n - 2) × 180.

if the sum of the measures of the interior angles is 3960

degrees. This means that

(n - 2) × 180 = 3960

Expanding the brackets by applying the distributive property, it becomes

180n - 360 = 3960

180n = 3960 - 360

180n = 3600

Dividing both sides by 180, it becomes

n = 3600/180

n = 20

6 0
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Answer:

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Step-by-step explanation:

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