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drek231 [11]
3 years ago
9

Please help!! Will mark brainliest

Mathematics
1 answer:
qaws [65]3 years ago
3 0

Answer:

2/3x+5=y

Step-by-step explanation:

We already know that this has to be linear and that its y-intercept is 5 ((0,5) is a point on the table). That means that the equation is

mx+5=y.

Now all we need to do is plug in some points.

3m+5=7

(Subtract 5 from both sides)

3m=2

m=2/3

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The expression has exactly 2 terms terms true or false 7f + 15 - 2g
Dvinal [7]

In this case, the answer is very simple.

A term is a part not separated by the signs + or - .

In this expression, we have 3 terms.

The answer is: false.

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1 year ago
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = 2yi + xzj + (x
Lady_Fox [76]

By Stokes' theorem, the line integral of \vec F over C is given by the surface integral of the curl of \vec F over S, where S is the region of intersection of the plane z=y+6 and the cylinder x^2+y^2=1 with S having positive/upward orientation.

Parameterize S by

\vec s(u,v)=u\cos v\,\vec\imath+u\sin v\,\vec\jmath+(u\sin v+6)\,\vec k

with 0\le u\le1 and 0\le v\le2\pi.

Take the normal vector to S to be

\vec s_u\times\vec s_v=-u\,\vec\jmath+u\,\vec k

The curl of \vec F is

\nabla\times\vec F(x,y,z)=(1-x)\,\vec\imath-\vec\jmath+(z-2)\,\vec k

Then the line integral is equivalent to

\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\iint_S(\nabla\times\vec F)\cdot\mathrm d\vec S

=\displaystyle\int_0^{2\pi}\int_0^1\bigg((1-u\cos v)\,\vec\imath-\vec\jmath+(u\sin v+4)\,\vec k\bigg)\cdot\bigg(-u\,\vec\jmath+u\,\vec k\bigg)\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^{2\pi}\int_0^1(5u+u^2\sin v)\,\mathrm du\,\mathrm dv=\boxed{5\pi}

4 0
3 years ago
Five more than 3/4 of a number C is 26 find the number
Furkat [3]

Answer:

28

Step-by-step explanation:

let x be the number,

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x=21*(4/3)

x=28

8 0
3 years ago
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Please help, will mark brainliest<br><br>50 points
liraira [26]

Answer:

(-6,8)

Step-by-step explanation:

2x + 9y = 60

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2x+ 81x + 558 = 60 -->

83x + 558 = 60 -->

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x = -6 -->

y = 9(-6) + 62 -->

y = 8

3 0
3 years ago
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jok3333 [9.3K]

Answer:

Did you ever figured it out?

Step-by-step explanation:

?

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