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3 years ago

13

HELP PLEASE THE QUESTION IS ON THE PICTURE!!

1 answer:

aev [14]3 years ago

6 0

If he runs 30 minutes a day and does a lap in 5 minutes then divide

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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

(4y-4)=(10x+65) answer please?

icang [17]

Answer:

Step-by-step explanation:

4y-4=10x+65, this can be expressed in many ways...

4y-10x-4-65=0

4y-10x-69=0 or

4y=10x+69

y=(10x+69)/4

3 0

3 years ago

6. Which equation or inequality represents the following description? & Multiply the quantity 2 more than a number by 8. The

Rama09 [41]

Answer:C it’s bc it says at least 12 time the number subtracted from 76

Step-by-step explanation:

If it’s wrong sry if your gonna be mean to me just work it by your self don’t use brainly

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3 years ago

What is the cosine of angle a?<br> a. 8/17<br> b. 15/8<br> c. 15/17<br> d. 8/15

jolli1 [7]

Check the picture below.

6 0

3 years ago

Please can someone help thank you

Nitella [24]

Answer:

it would be 36-45 and 56-64

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3 years ago