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Leya [2.2K]
3 years ago
13

Need help asap will give brainly

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0

Answer:

<em><u>x = 60 </u></em>

Step-by-step explanation:

<em>So, ever triangle, no matter what shape or size, is always going to equal 180 degrees. You start off by trying to find angle L which is 71. The way you find this is you subratch 109 from 180 which ultimately gives you 71.</em>

180 - 109 = 71

<em>After that you have to add what you already have (49 degrees) with what you just found (71 degrees)</em>

49 + 71 = 120

<em>Now that you have 120, you have to again subtract 180 by 120 to get your answer, 60 degrees. And that's it. </em>

180 - 120 = 60

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(a)

the sequence of seats is an arithmetic sequence whose n th term is

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n = 13 ← number of rows



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