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3 years ago

Calculate |m| if m=21-72i. Round off answer to nearest hundred

Mathematics

1 answer:

arlik [135]3 years ago

8 0

Answer:

n6666667900087474455

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Can someone help please? u dont have to show work so dont mind that

nexus9112 [7]

Answer:

Factor the numerator and denominator and cancel the common factors.

x/4+3/2 or 32/4 or Reduce the expression, if possible, by cancelling the common factors. 8 is your final answer

Step-by-step explanation:

8 0

3 years ago

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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

What is the average distance from Rose Hill Tennesse to Miami Florida?

OLEGan [10]

The average distance from Rose Hill Tennessee to Miami Florida is 832 miles.

3 0

3 years ago

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Two lines in a plane that never intersect are<br>called

mel-nik [20]

Answer:

Two lines, both in the same plane, that never intersect are called parallel lines. Parallel lines remain the same distance apart at all times.

Step-by-step explanation:

parallel lines.

3 0

3 years ago

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A polynomial function with a leading coefficient of 1 and multiplicity 1 for each root has these zeros:

Gala2k [10]

Answer:

$x - 2 \sqrt{11}$

$x + 2 \sqrt{11}$

$x - 4$

Step-by-step explanation:

It is correct on Edge!

Give thanks please!

6 0

3 years ago