3 years ago

50 PTS FOR RIGHT AWNSER!! PLZZ HELP!!! PLZZZ SOS!! THANK YOU!!

Mathematics

1 answer:

Marrrta [24]3 years ago

8 0

Answer:

this is a big guess 36? ...

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HEEEEEEELLLLLPPPPP!!!!!!!!!!!!!!!!!!

Ksivusya [100]

(15,1) (14,6)

6-1 5
—— = —
14-15 -1

4 0

4 years ago

) Set up a double integral for calculating the flux of F=3xi+yj+zk through the part of the surface z=−5x−2y+2 above the triangle

Fynjy0 [20]

The surface (call it $S$ ) is a triangle with vertices at the points

$x=0,y=0\implies z=2\implies(0,0,2)$

$x=0,y=2\implies z=-2\implies(0,2,-2)$

$x=2,y=0\implies z=-8\implies(2,0,-8)$

Parameterize $S$ by

$\vec s(u,v)=(1-v)(2,0,-8)+v\bigg((1-u)(0,2,-2)+u(0,0,2)\bigg)=(2-2v,2v-2uv,-8+6v+4uv)$

with $0\le u\le1$ and $0\le v\le1$ . Take the normal vector to $S$ to be

$\vec s_v\times\vec s_u=(20v,8v,4v)$

Then the flux of $\vec F$ across $S$ is

$\displaystyle\iint_S\vec F(x,y,z)\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_v\times\vec s_u)\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^1\int_0^1(6-6v,2v-2uv,-8+6v+4uv)\cdot(20v,8v,4v)\,\mathrm du\,\mathrm dv$

$=\displaystyle8\int_0^1\int_0^1(11v-10v^2)\,\mathrm du\,\mathrm dv=\boxed{\frac{52}3}$

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4 years ago

The 3rd term of a geometric series is 18 and 15th term is 162

Basile [38]

88............................

5 0

3 years ago

Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the n

nevsk [136]

Answer:

15.7. Hope this helps.

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3 years ago

What conic section is represented by the equation show below? 9x+4y^2+18x=16

Serjik [45]

I believe its parabola

4 0

3 years ago

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