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Vladimir79 [104]
3 years ago
6

How do you write the set notation for the graph below?

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0

The dot on -1 is open, so the number -1 is not included. You need all real numbers greater than -1.

Answer: D

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The sum of the measures of the angles is 180. The sum of the measures of the second and third angles is two times the measure of
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<h2>60,47,73</h2>

Step-by-step explanation:

Let the first angle be a degrees

Let the second angle be b degrees

Let the third angle be c degrees

It is given that sum of angles is 180 degrees.

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It is given that sum of the measures of the second and third angles is two times the measure of the first angle.

b+c=2\times a                     ...(ii)

It is given that the third angle is 26 more than the second.

c=26+b                                ...(iii)

using (ii) and (iii),

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using (i),(ii) and (iii),

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Answer:

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Step-by-step explanation:

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