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katovenus [111]
4 years ago
8

I need answers to 15 and 16 pleaseeeee

Mathematics
1 answer:
Elden [556K]4 years ago
3 0

15. \: 12x + 7 = 5x + 5 + 58\Leftrightarrow 7x = 56\Leftrightarrow x = 8 \\ 16.  \widehat{BDC} = 5x + 5 = 5 \times 8 + 5 = 40 + 5 = 45°

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