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Greeley [361]
3 years ago
9

QUICKLY HELP!

Mathematics
2 answers:
Zina [86]3 years ago
4 0
The answer should be

b = 3 × -6/1

b = -18
eimsori [14]3 years ago
3 0
B= -3/16 hope it helps
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(-6x2y)(-3x3y) <br> help pls
max2010maxim [7]

Answer:

18x^2-12xy+6y^2

Step-by-step explanation:

use FOIL

First

Outter

Inner

Last

6 0
3 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}

8 0
4 years ago
Choose the equation below that represents the line passing through the point -3, -1 with a slope of 4
andre [41]

Answer:

Y=4x-5

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
can no one answer this question please I just need a bunch of help and I don't wanna waste all my points. So I'll make this ques
Helga [31]

Answer:

Okay

Step-by-step explanation:

I will

8 0
3 years ago
The expression x3 – 64 can be written as (x)3 – (4)3. What is the factorization of x3 – 64?
Bumek [7]

Answer:

B

Step-by-step explanation:

(x - 4) because a = x and b = 4, subsitute into (a - b)

(x2 + 4x + 16) because if a = x and b = 4, you subsitute them into (a2 + ab + b2) to get your answer

4 0
3 years ago
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