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3 years ago

PLS ANSWER THESE PLS AND THANK YOU

Mathematics

2 answers:

marysya [2.9K]3 years ago

6 0

Answer is 5 all equal sides divide by 4

ASHA 777 [7]3 years ago

3 0

Answer:

number one answer: 5

Step-by-step explanation:

equal sides just divide by 4 for the smaller one

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Round your answer to the nearest tenth.<br> y = 2x + 7 y=2x-2

Jet001 [13]

Answer:

no solution

Step-by-step explanation:

when you put in what y equals you get 2x-2=2x+7

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3 years ago

How many times can 409999 go into 20

olga2289 [7]

The answer is 20499.95

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3 years ago

1.4x10 -2 in standard form

sesenic [268]

Answer:

Step-by-step explanation:

1.4x10 is moving the decimal point one spot to the left, so it would be 14., which is just simply 14. Finally, 14-2=12 which is the answer.

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2 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

3 years ago

Help me with number 9 please

olga nikolaevna [1]

Answer:

yes, it is (3,2)

Step-by-step explanation:

quadrant

1st (-,+)

2nd (+,+)

3rd (-,-)

4th (+,-)

4 0

3 years ago