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3 years ago

What is 42 divied by 1578 show the work

Mathematics

1 answer:

andrew11 [14]3 years ago

8 0

0 0 3 7
4 2 1 5 7 8
− 0
1 5
− 0
1 5 7
− 1 2 6
3 1 8
− 2 9 4
2 4

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Two chemical plants are releasing waste into a holding tank. Plant 1 releases waste twice as fast as plant 2. Together they fill

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Answer:

6 hours.

Step-by-step explanation:

Let t represent time taken by plant 1 in hours to release the waste.

Part of waste released by plant 1 in one hour would be $\frac{1}{t}$ .

We have been given that two chemical plant 1 releases waste twice as fast as plant 2, so time taken by plant 2 to release the waste would be $2t$ .

Part of waste released by plant 2 in one hour would be $\frac{1}{2t}$ .

We are also told that together they fill the tank in 4 hours. So part of tank filled by both plants working together in one hour would be $\frac{1}{4}$ .

$\frac{1}{t}+\frac{1}{2t}=\frac{1}{4}$

$\frac{1}{t}\cdot 4t+\frac{1}{2t}\cdot 4t=\frac{1}{4}\cdot 4t$

$4+2=t$

$t=6$

Therefore, it will take 6 hours for the faster plant to fill the tank working alone.

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3 years ago

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uysha [10]

Answer:

(5,3)

Step-by-step explanation:

When you go around origin, all it is does is it turns (x,y) into (-x,-y). (--5,--3) = (5,3)

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Step-by-step explanation:

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