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Whitepunk [10]
3 years ago
8

One day, the system stops working correctly. The faucet starts to fill the aquarium at a rate of 30 liters per minute, and the d

rain opens at the same time, draining the water at a rate of 20 liters per minute.
Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

I need Help on this one too.

Step-by-step explanation:

Please help

Ratling [72]3 years ago
6 0

Answer:

Step-by-step explanation: which things

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Step2247 [10]

Answer:B or A is the answer

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Find x and y on a 30 60 90 triangle number 9
worty [1.4K]

Answer:

x=12, y=12 \sqrt{3}

Step-by-step explanation:

Please see attached picture for full solution.

sinθ= opp/hyp

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7 0
3 years ago
What is the value of x? A.86 B.60 C.52 D.26
Nadya [2.5K]

   First of all in order for us to figure out what angle x is we need to find the formula for finding that specific type of angle.

Formula is...

x = (far arc - close arc) ÷ 2

Now we just need to plug in.

x = (172° - 52°) ÷ 2 =

x = 120° ÷ 2 = 60°

Your answer: x = 60°

Good Luck! :)

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6 0
3 years ago
Of all rectangles with a perimeter of 7​, which one has the maximum​ area? (give the​ dimensions.)
Elena L [17]
The rectangle with maximum area will actually be a square.

Each side will be of length  7/4 = 1 3/4.
3 0
3 years ago
(84x - 69y) - (65x + 34y)
Svetach [21]

(84x - 69y) - (65x + 34y)

Remove the parenthesis and combine the like terms:

84x - 65x = 19x

-69y - 34y = -103y

Combine for final answer:

19x -103y

6 0
3 years ago
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