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3 years ago

So if i wake up at 7:00 every day what time should i go to bed if i need nine hours of sleep

Mathematics

1 answer:

balandron [24]3 years ago

8 0

Answer:

10pm

Step-by-step explanation:

10pm + 2 hours = 12am

12am + 7 hours = 7am,

2 + 7 = 9

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sladkih [1.3K]

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Step-by-step explanation:

Notice that $\angle a=\angle AXY, \angle b = \angle YXB$ and $\angle BXC = 90\°$ , by given.

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Step-by-step explanation:

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