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2 years ago

5=2/3x what does x equal

Mathematics

1 answer:

mixer [17]2 years ago

3 0

Answer:

I dont know if u mean 5 equals 2 divided by 3x, but I got 2/15

Step-by-step explanation:

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Find the absolute maximum and minimum values of f(x,y)=xy−4x in the region bounded by the x-axis and the parabola y=16−x2.

skad [1K]

Answer:

The absolute maximum and minimum is $20\; \text{and} -20.$

Step-by-step explanation:

We first check the critical points on the interior of the domain using the

first derivative test.

$f_x=y-4=0$

$f_y=x=0$

The only solution to this system of equations is the point (0, 4), which lies in the domain.

$f_{xx}=0, \;f_{yy}=0\; \text{and}\; f_{xy}=-1$

$\Rightarrow f_{xx}f_{yy}-f_{xy}=o-1=-1$

$\therefore (0,4)$ is a saddle point.

Boundary points - $(4,0), (-4,0), (0,16)$

Along boundary $y=16-x^2$

$f=x(16-x^2)-4x$

$=16x-x^3-4x$

$\Rightarrow f^'=16-3x^2-4=0$

$\Rightarrow 3x^2=12$

$\Rightarrow x=\pm2,\;\;y=14$

Values of f(x) at these points.

$\begin{array}{}(4,0)=-16\\(-4,0)=16\\(0,16)=0\\(2,14)=20\\(-2,14)=-20\end{array}$

Therefore, the absolute maximum and minimum is $20\; \text{and} -20.$

6 0

3 years ago

10 十w=-9<br> I’m very confused please help

cricket20 [7]

Answer:

w = -19

Step-by-step explanation:

10 + w = -9

w = -9 - 10

w = -19

8 0

2 years ago

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What does the cursive r thing mean

arsen [322]

Whatttttttttt I don't get what you are trying to say but cursive means a right print r a normal r

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3 years ago

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218,457 to the nearest hundred thousands

Tomtit [17]

200,000 because the numbers in the middle are low

8 0

2 years ago

What expression is equivalent to (10x)^-3

irakobra [83]

Answer:

1/ (1000x^3)

Step-by-step explanation:

yes

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2 years ago

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