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zalisa [80]
3 years ago
9

Show that the equation y + 8 = 2(4x + 4) is linear and that it represents a proportional relationship between x and y.

Mathematics
2 answers:
IceJOKER [234]3 years ago
6 0

Answer:

Step-by-step explanation:

Liono4ka [1.6K]3 years ago
5 0
I'm not sure but i think its
y + 8 = 8x + 8
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A fluid has density 860 kg/m3 and flows with velocity v = z i + y2 j + x2 k, where x, y, and z are measured in meters and the co
ehidna [41]

You can use the divergence theorem:

\vec v=z\,\vec\imath+y^2\,\vec\jmath+x^2\,\vec k

has divergence

\mathrm{div}\vec v=\dfrac{\partial z}{\partial x}+\dfrac{\partial y^2}{\partial y}+\dfrac{\partial x^2}{\partial z}=2y

Then the rate of flow out of the cylinder (call it <em>R</em>) is

\displaystyle\iint_{\partial R}\vec v\cdot\mathrm d\vec S=\iiint_R\mathrm{div}\vec v\,\mathrm dV

(by divergence theorem)

=\displaystyle2\int_0^{2\pi}\int_0^5\int_0^1r^2\sin\theta\,\mathrm dz\,\mathrm dr\,\mathrm d\theta

(after converting to cylindrical coordinates)

whose value is 0.

6 0
3 years ago
PLEASE HELP!!!
elena-s [515]

Coordinates after 270 clockwise rotation is (-6,-2), (-3,-5) and  (-8, -5).

<h3>What is graph?</h3>

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

Given coordinates are: (-2,6) , (-5, 3) and (-5, 8)

For 270° clockwise about the origin, we have the following rule:

(x, y)= (-y, x)

So,

coordinates  (-2,6) change into (-6,-2)

coordinates   (-5, 3) change into (-3,-5)

coordinates  (-5, 8) change into (-8, -5).

Learn more about this concept here:

brainly.com/question/12673036

#SPJ1

7 0
2 years ago
Which equation represents a line that passes though (-9,-3) and has a slope of -6
kramer
D) y + 3 = -6(x + 9)



The equation for point-slope form is y - y1 = m(x - x1) where (x1, y1) is a point and m is the slope.

Substitute the values in to get y - (-3) = -6(x - (-9)).

Now, simplify a little bit.

y + 3 = -6(x + 9)

There’s the answer.



Please consider marking this answer as Brainliest to help me advance.
4 0
3 years ago
Read 2 more answers
True or False:The following pair of ratios forms a proportions.3/2 and 18/8
JulsSmile [24]

Answer:

Correct answer: False

Step-by-step explanation:

coeff c= 3/2 = 1,5        coeff c₁ = 18/8 = 2,25

c ≠ c₁

God is with you!!!

7 0
4 years ago
Read 2 more answers
Simplify -3xy 3 + 7xy 3 + (-xy 3) + (-3xy 3
kodGreya [7K]

(−3x)(y3)+7xy3+(−x)(y3)+(−3x)(y3) = 0

5 0
3 years ago
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