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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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Answer:

Step-by-step explanation:

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6 0
3 years ago
The fraction a/b is in simplest terms and equal to the following:((2020^3)-1)/((2021^3)+1) . What is a + b?
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Consider the expression

\dfrac{x^3-1}{(x+1)^3+1}

Factorize the numerator and denominator a difference/sum of cubes:

\dfrac{(x-1)(x^2+x+1)}{((x+1)+1)((x+1)^2-(x+1)+1)}

Expand the denominator:

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since <em>x</em> = 2020, and clearly 2020² + 2020 + 1 ≠ 0, so we can cancel the factor of <em>x</em> ² + <em>x</em> + 1. This leaves us with

\dfrac{2020^3-1}{2021^3+1} = \dfrac{2020-1}{2020+2} = \dfrac{2019}{2022}=\dfrac{673}{674}=\dfrac ab

so that <em>a</em> + <em>b</em> = 673 + 674 = 1347.

7 0
3 years ago
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3 years ago
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8,000,000 + 200,000 + 5,000
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