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astra-53 [7]
3 years ago
5

Please show your work and make sure that you don't answer unless you are 100% sure that your information is accurate. Topic: Geo

metry

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0
4x40= 160
6x40= 240
160/12= 13.33
240/12= 20
13.33x20= 266.6

The answer is 266.6 square feet
Mama L [17]3 years ago
4 0
266.6 feet is the answer the dude up top showed his work
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Please help I will mark brainliest! For correct answers ​
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Step-by-step explanation:

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) 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)

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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)

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\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
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As a function this is x=3 y=3
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3 years ago
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For which x-values is the graph below discontinuous?
aleksandr82 [10.1K]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
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