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3 years ago

10

Which solve the problem correctly PLEASE HELP:p 30 POINTS?!!

1 answer:

Drupady [299]3 years ago

3 0

Answer: :( incorrect :( :( :( :( = (

Step-by-step explanation:

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Use the divergence theorem to find the outward flux of the vector field F(xyz)= 4x^2 i + 4y^2 j + 3z^2 k across the boundary of

Pavel [41]

$\vec F(x,y,z)=4x^2\,\vec\imath+4y^2\,\vec\jmath+3z^2\,\vec k\implies\nabla\cdot\vec F=8x+8y+6z$

Let $S$ be the surface of the rectangular prism bounded by the planes $x=0$ , $x=a$ , $y=0$ , $y=b$ , $z=0$ , and $z=c$ . By the divergence theorem, the integral of $\vec F$ over $S$ is given by the integral of $\nabla\cdot\vec F$ over the interior of $S$ (call it $R$ ):

$\displaystyle\iint_S\vec F\cdot\mathrm d\vec S=\iiint_R(\nabla\cdot\vec F)\,\mathrm dV$

$=\displaystyle\int_0^c\int_0^b\int_0^a(8x+8y+6z)\,\mathrm dx\,\mathrm dy\,\mathrm dz=\boxed{abc(4a+4b+3c)}$

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3 years ago

What is the sign of the larger absolute value

Anna11 [10]

> this is the sign for the larger absolute value

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3 years ago

PLEASE HELP! Match the steps to find the equation of the parabola with focus (-1, -8) and directrix y = - 12.

nevsk [136]

Answer:

3,2,1,6,5,4

Step-by-step explanation:

Hope this helps!!!

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2 years ago

I really need help on this problem. I'm unable to answer it in standard and point slope form. Thanks. Very easy response and ans

anyanavicka [17]

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3 years ago

Read 2 more answers

Select all numbers that are irrational.

klasskru [66]

Answer:

The square root of 0.33 is the only irrational number.

Step-by-step explanation:

.25 NOT

sq rt. of .25 is .5

sq rt. of .33 is .574456....

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3 years ago