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mir1425
17.03.2020 •
Mathematics
I need the answer and step by step how to do it
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Ответ:
b = 55 degrees.
Step-by-step explanation:
The 3 angles add up to a circle which has 360 degrees.
Therefore 96 + 209 + b = 360
b + 305 = 360
b = 360 - 305
b = 55 degrees,.
Ответ:
A(x) = 77 + 33x + 7x + 3x^2
A(x) = x^2 + 40x + 77