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sergiy2304 [10]
3 years ago
8

Someone plz explain!

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

18° and 72°

Step-by-step explanation:

Complimentary angles form 90°

We have an angle (x) 4 times larger than the other (y).

Well actually, a system of equations isn't required, so forget about x and y, just divide 90 by 5. This gives you 18, one of the angle's measurements is 18°. Multiply 18 by 4 and get 72. The other angle's measurement is 72°.

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Answer:

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<em>Amount of water left in the tank = 72,000cm³</em>

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Step-by-step explanation:

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