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3 years ago

HELP WILL GIVE BRAINLEIST AND LOVE YOU FOREVER

Mathematics

1 answer:

jasenka [17]3 years ago

4 0

I think #3 is 20 and #4 is a trapezoid. im so sorry if that’s wrong. if it is lmk and ill try again.

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Use the divergence theorem to find the outward flux of the vector field F(x,y,z)=2x2i+5y2j+3z2k across the boundary of the recta

aksik [14]

Answer:

The answer is "120".

Step-by-step explanation:

Given values:

$F(x,y,z)=2x^2i+5y^2j+3z^2k \\$

differentiate the above value:

$div F =2 \frac{x^2i}{\partial x}+5 \frac{y^2j}{\partial y}+3 \frac{z^2k }{\partial z} \\$

$= 4x+10y+6z$

$\ flu \ of \ x = \int \int div F dx$

$= \int\limits^1_0 \int\limits^3_0 \int\limits^1_0 {(4x+10y+6z)} \, dx \, dy \, dz \\\\ = \int\limits^1_0 \int\limits^3_0 {(4xz+10yz+6z^2)}^{1}_{0} \, dx \, dy \\\\ = \int\limits^1_0 \int\limits^3_0 {(4x+10y+6)} \, dx \, dy \\\\ = \int\limits^1_0 {(4xy+10y^2+6y)}^3_{0} \, dx \\\\ = \int\limits^1_0 {(12x+90+18)}\, dx \\\\= {(12x^2+90x+18x)}^{1}_{0} \\\\= {(12+90+18)} \\\\=30+90\\\\= 120$

6 0

3 years ago

What is the the slope of the line through (2, -2) and (9, 3)

marysya [2.9K]

Answer:

m = 5/7

Step-by-step explanation:

m = y2-y2/x2-x1

m= 3-(-2)/ 9-2

m= 5/7

7 0

3 years ago

Read 2 more answers

PLS HELP <br> Find the slope of each line

Bas_tet [7]

Answer:

s = -1/6

Step-by-step explanation:

as x increases 6 units, y decreased 1 unit

Slope is Δy/Δx = -1/6

5 0

3 years ago

If k = p+2q/3 , find the value of p when k=7 and q=3

marishachu [46]

Answer:

p = 5

Step-by-step explanation:

hopefully it is clear and understandable :)

6 0

3 years ago

Quick please no links or anything just the straight up answer

scoray [572]

Answer:

25 is C

26 is C

Step-by-step explanation:

25, supplementary angles add up to 180. 180 - 31 = 149 degrees

26, C is the definition of a ray

4 0

3 years ago