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zhannawk [14.2K]
3 years ago
13

I need help to fide m<BCA​

Mathematics
1 answer:
blondinia [14]3 years ago
4 0

Answer:

57

Step-by-step explanation:

exterior angles add up to 360 so'

9x+1+5x+12+10x-37

24x-24=360

24x=384

x=16

10(16)-37

160-37

123

180-123

= 57

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In 2000 Emily was 9 years old.

Given that in the year 2015 Emily was three times as old as Kaitlin while by the year 2021 Kaitlin will be half as old as Emily will be, to determine how old was Emily on the year 2000 the following calculation must be performed:

  • 2015 = E = 3K
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Therefore, in 2000 Emily was 9 years old.

Learn more in brainly.com/question/20025195

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