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adelina 88 [10]
2 years ago
13

Help please PLEASE IM FREAKING SERIOUS IF I DONT FINISH IT BY 9 IM DEAD ILL GIVE 50 POINTS HELP PLEASE IM ACTUA;LY FRICKIN SERRI

OUS

Mathematics
1 answer:
yuradex [85]2 years ago
6 0

Answer:

1/4 i think

Step-by-step explanation:

hope this helps

if i was right pls mark brainliest

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Ellie's new kitten is 412 inches long. Her rabbit is 325 inches longer than her kitten. Which equation can be used to find the l
noname [10]
412 + 325 = R
R = 737
I hope that is the answer you were looking for!
7 0
3 years ago
Read 2 more answers
Find the critical points of the surface f(x, y) = x3 - 6xy + y3 and determine their nature.​
Vedmedyk [2.9K]

Compute the gradient of f.

\nabla f(x,y) = \left\langle 3x^2 - 6y, -6x + 3y^2\right\rangle

Set this equal to the zero vector and solve for the critical points.

3x^2-6y = 0 \implies x^2 = 2y

-6x+3y^2=0 \implies y^2 = 2x \implies y = \pm\sqrt{2x}

\implies x^2 = \pm2\sqrt{2x}

\implies x^4 = 8x

\implies x^4 - 8x = 0

\implies x (x-2) (x^2 + 2x + 4) = 0

\implies x = 0 \text{ or } x-2 = 0 \text{ or } x^2 + 2x + 4 = 0

\implies x = 0 \text{ or } x = 2 \text{ or } (x+1)^2 + 3 = 0

The last case has no real solution, so we can ignore it.

Now,

x=0 \implies 0^2 = 2y \implies y=0

x=2 \implies 2^2 = 2y \implies y=2

so we have two critical points (0, 0) and (2, 2).

Compute the Hessian matrix (i.e. Jacobian of the gradient).

H(x,y) = \begin{bmatrix} 6x & -6 \\ -6 & 6y \end{bmatrix}

Check the sign of the determinant of the Hessian at each of the critical points.

\det H(0,0) = \begin{vmatrix} 0 & -6 \\ -6 & 0 \end{vmatrix} = -36 < 0

which indicates a saddle point at (0, 0);

\det H(2,2) = \begin{vmatrix} 12 & -6 \\ -6 & 12 \end{vmatrix} = 108 > 0

We also have f_{xx}(2,2) = 12 > 0, which together indicate a local minimum at (2, 2).

3 0
2 years ago
What is the value of p?
Sati [7]

Answer:

p = - 8

Step-by-step explanation:

we have to subtract by the number 18p from each of your sides

Like: 10p + 5 - 18p

= 18p -3 -180

This gives us: -8p + 5 = -3

Nextly, we have to subtract by 5 on each of your sides

Like: -8p + 5 - 5

= -3 - 5

This gives us: -8p = -8

Now we have divide by the -8 on each of your sides:

Like: -8p ÷ -8

= -8 ÷ -8

Answer: p = 1

7 0
3 years ago
Read 2 more answers
what is the equation of the line that is parallel to the given line and passes through the point (-3,2)? no links.
vladimir1956 [14]

Answer:

D) 4x +3y = -6

Step-by-step explanation:

paralell lines so m1 and m2 are equal

m = (3 +1 )/ (0 - 3 )

m = -4/ 3

y -2 = -4/3 (x +3)

y =-4x/3 -2

3y = -4x -6

4x +3y = -6

6 0
3 years ago
Select the equation that represents a line with a slope of 2 and that contains the point (1, -5).
kondor19780726 [428]

To get the equation of a line, you can use the following:

y - y1 = m (x - x1)

Where:

  • m is the slope (2)
  • y1 is the y coordinate of a point  (1, -5)
  • x1 is the x coordinate of the same point (1, -5)

Just substitute in the values:

y - y1 = m (x - x1)

y - (-5) = 2(x - 1)             <em>(  - - 5 = + 5 )</em>

y + 5 = 2(x - 1)

_________________________

Answer:

B. y + 5 = 2(x - 1)

6 0
3 years ago
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