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4 years ago

12

Which statement about the equation is true?

2 answers:

GalinKa [24]4 years ago

5 0

Infinitely many solutions, you need to do the distributive property.

tino4ka555 [31]4 years ago

4 0

no solutions took the test

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When Samantha was 10 years old, Luis was 15 years old. When Samantha was 13 years old, Luis was 18 years old. When Samantha was

jeyben [28]

I think 29 because Samantha is 5 year older than Luis

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3 years ago

(Will give Brainliest)

jek_recluse [69]

I believe it’s 8^3 I’m sorry if it’s wrong!!!!

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4 years ago

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Plot the line for the equation on the graph.<br> y-4=-1/4(x-5)

poizon [28]

First point given: (5,4)
Y = -1/4x + b
4 = -1/4(5) + b
4 = -5/4 + b
b = 2.75
Equation: y = -1/4x + 2.75

Find three points
(5,4), (9,5), (1,3)
Plot these and draw a line

5 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

How many centimeters are in 9 inches? 1in= 2.54cm

Akimi4 [234]

Answer:

22.86 is the answer:)

Step-by-step explanation:

Multiply 9 by 2.54 hope this helps!

3 0

3 years ago

Read 2 more answers