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05.12.2020 •
Mathematics
Tell whether the ordered pair (3, 1) is a solution of the system of linear equations.
x+y = 4
yes, it is a solution
2x + y = 7
no, it is not a solution
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Ответ:
1. 30
2. 150
3. Obtuse
4. Acute
5. Adjacent
Step-by-step explanation: