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mrs_skeptik [129]
3 years ago
9

What is the value of X?

Mathematics
1 answer:
rodikova [14]3 years ago
4 0

Answer:

102

Step-by-step explanation:

triangle area = 180 degrees

straight line = 180 degrees

180 - 127 = 53

49

49 + 53 + 3rd angle = 180

3rd angle = 78

180-78 = x

x = 102

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F+G:

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Then, add the elements that occupy the same position:

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So, we find the element at address h31:

H=\begin{bmatrix}{h11} & {h12} & {} \\ {h21} & {h22} & {} \\ {h31} & {h32} & {}\end{bmatrix}

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1 year ago
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Angelina_Jolie [31]

Answer:

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Yes and thank you for the points
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Read 2 more answers
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