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2 years ago

14

brainly is the best app in the whole world) sam has 5 dollars he works for 5 hours and he earns 900 dollars and hour how much mo

ne does he have now?

1 answer:

saveliy_v [14]2 years ago

5 0

Answer:

Sam has $900 more money. In total he now has $905.

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Convert this number expressed in standard form to scientific notation

Sergeu [11.5K]

Answer:

28,500,000 into scientific notation is 2.85 x 10⁷

2.85 x 100 in scientific notation is 2.85 x 10²

if you mean the multiplication symbol, it just means to multiply. otherwise, there i don't see an x anywhere else

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3 years ago

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 $R$ ):

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

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

5 0

3 years ago

I will mark as brilliant please help

vodomira [7]

It’s C. x_< -2 Good luck

8 0

3 years ago

maw [93]

Answer:

Square root of 36.

Step-by-step explanation:

The square root of 36 = 6 so this is rational.

Recall that a rational number is one that can be written as a/b where a and b are not 0. 6 can be written as 6/1.

3 0

3 years ago

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Pls help! TIMED test!

enyata [817]

Answer:

2

Step-by-step explanation:

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3 years ago

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