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3 years ago

13

HELPPPPPPPPPPPPPPPPPPPPP

2 answers:

andrezito [222]3 years ago

5 0

The interior angles of a triangle is equal to 180
So you add 45+55=100 then you subtract that from 180 which makes the other interior angle equal to 80 and because a flat line is also equal to 180 you subtract 180-80 which equals 100

So the answer would be 100

tiny-mole [99]3 years ago

4 0

the answer is x=100°

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pogonyaev

Answer:

$-5x^2+5x+1$

Step-by-step explanation:

To simplify polynomials, find the like terms which look and sound the same then combine the coefficients of each to simplify.

$(2x^2-9x+3)+(-7x^2+4x-2)\\2x^2-7x^2-9x+4x+3-2\\-5x^2+5x+1$

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3 years ago

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HACTEHA [7]

Answer:

C.

Step-by-step explanation:

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2 years ago

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Akimi4 [234]

Answer:

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Step-by-step explanation:

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6 0

2 years ago

Read 2 more answers

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olga2289 [7]

Answer:

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Step-by-step explanation:

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3 years ago

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Whitepunk [10]

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Step-by-step explanation:

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3 years ago