2 years ago

Boy boy boy boy boy boy boy boy boy

Mathematics

2 answers:

ANEK [815]2 years ago

5 0

Answer:

Hi welcome to brainly the happiest website on earth.

Step-by-step explanation:

Nady [450]2 years ago

4 0

Answer: What is your question my G.

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Use Green's Theorem to calculate the circulation of F =2xyi around the rectangle 0≤x≤8, 0≤y≤3, oriented counterclockwise.

Tamiku [17]

Green's theorem says the circulation of $\vec F$ along the rectangle's border $C$ is equal to the integral of the curl of $\vec F$ over the rectangle's interior $D$ .

Given $\vec F(x,y)=2xy\,\vec\imath$ , its curl is the determinant

$\det\begin{bmatrix}\frac\partial{\partial x}&\frac\partial{\partial y}\\2xy&0\end{bmatrix}=\dfrac{\partial(0)}{\partial x}-\dfrac{\partial(2xy)}{\partial y}=-2x$

So we have

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\iint_D-2x\,\mathrm dx\,\mathrm dy=-2\int_0^3\int_0^8x\,\mathrm dx\,\mathrm dy=\boxed{-192}$

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3 years ago

a rectangular fish tank hold 12 fish, A round fish tank hold 3 fish. How many times as many fish dose the rectangular tank hold

ch4aika [34]

Answer:

4 times

Step-by-step explanation:

You divide 12 by 3

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3 years ago

In Mona’s new video game she earns 30 points for each fish caught and 80 points for each octopus captured, but she loses 15 poin

beks73 [17]

Answer:

Third one

Step-by-step explanation:

30x would be 30 times the amount of fish (x)

+ 80y would be 80 times the amount of octopus captured (y)

- 15z would be subtracting 15 times the amount of crabs she captures

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2 years ago

The stock of Company A gained 5.25% today to $21.05. What was the opening price of the stock in the beginning of the day?

zlopas [31]

Answer:

$20

Step-by-step explanation:

Easy formula for these problems is new price divided by change in percent as decimal with 1 at begining. So for this problem it is 21.05/1.0525. You can then test your answer by muliply you answer by 1.0525.

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Step-by-step explanation:

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