dkdk31
20.05.2021 •
Mathematics
PLZ HELP ME IM ON A TIMED QUIZ
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Ответ:
hey it's the 3rd answer
-7±√89÷4
Ответ:
67
Step-by-step explanation:
angle c = angle b = 5x + 4
angle a = 46
A + B + C = 180
46 + 10x + 8 = 180
10x = 180 - 54
10x = 126
x = 12.6
5x + 4 = 12.6 x 5 + 4
= 67