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Taya2010 [7]
2 years ago
12

the equation a = represents the angle measures, a, in a regular n-sided polygon. when the equation is solved for n, n is equal t

o a fraction with a denominator of a – 180. what is the numerator of the fraction?
Mathematics
2 answers:
satela [25.4K]2 years ago
6 0

Answer:

the answer is -360

Step-by-step explanation:

mario62 [17]2 years ago
5 0
A = 180(n - 2)

a = 180n - 180*2

a = 180n - 360

180n - 360 = a

180n = a + 360

n = (a + 360) / 180

Numerator for fraction above = ( a + 360),   denominator = 180

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tigry1 [53]

Answer:

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Step-by-step explanation:

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Please help! provide thorough explanation and use elimination method!!
ICE Princess25 [194]

Multiply both sides of the second equation by 100 to get rid of the decimals:

0.05<em>n</em> + 0.10<em>d</em> = 1.50

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Add the two equations together:

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Notice that the terms containing <em>n</em> get eliminated and we can solve for <em>d</em> :

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Plug this into either original equation to solve for <em>n</em>. Doing this with the first equation is easiest:

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