3 years ago

Find the percentage of10% of 70 =

1 answer:

5 0

Answer: 7
When ever anything says “of” it usually means multiply. We can multiply .10 (10%) by 70 to get this answer.
Hope this helps!!

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Find the area of the surface. the part of the paraboloid z=4-x^2-y^2 that lies above the xy-plane

11Alexandr11 [23.1K]

Parameterize the surface (call it $\mathcal S$ ) by

$\mathbf s(u,v)=\langle u\cos v,u\sin v,4-u^2\rangle$

with $0\le u\le2$ and $0\le v\le2\pi$ . Then the surface element is

$\mathrm dS=\|\mathbf s_u\times\mathbf s_v\|=u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$

The area of $\mathcal S$ is then given by the surface integral

$\displaystyle\iint_{\mathcal S}\mathrm dS=\int_{v=0}^{v=2\pi}\int_{u=0}^{u=2}u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$
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3 years ago

On a city map drawn on a coordinate plane, the city park is located at (4, 9) and the school is at (20, 9). What is the distance

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The distance between the two is 16.

This is because we know that they y coordinates are the same, so then all we need to know is the difference between the two x coordinates. In this case, all we have to do is subtract 4 from 20.

Hope that this helped.

3 0

3 years ago

Find the percentage of10% of 70 =​

Find the percentage of10% of 70 =