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Elena L [17]
4 years ago
14

Solve inequality √(2−x) < x.

Mathematics
1 answer:
Bond [772]4 years ago
5 0
[tex]\sqrt{2-x}0\\ x^2+2x-x-2>0\\ x(x+2)-1(x+2)>0\\ (x-1)(x+2)>0\\ x\in(-\infty,-2)\cup(1,\infty)\\\\ \boxed{x\in(-\infty,-2)\cup(1,2\rangle}[/tex]
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8 0
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Read 2 more answers
PLEASE HELP {It costs 5,700 every one sixth of an hour to build a hotel how many cents does building a hotel cost per second?}
Keith_Richards [23]
One sixth of an hour is 10 minutes.
That means it costs 5,700 every 10 minutes.

Costs 5,700 = 10 minutes

Dive 10 on both sides.

Costs 570 = 1 minute

Lets convert the minute into seconds.

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Divide both sides by 60.

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Round it off since you can't pay 9.5 cents.

Costs 10 cents = 1 second

This means that every second they pay 10 cents for the hotel. :D


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Pregunta 14
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