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3 years ago

With modeling and simulation, we model the system and then test the ______________ to gather test predictions.

Computers and Technology

1 answer:

Kobotan [32]3 years ago

4 0

Answer:

With modeling and simulation, we model the system and then test the system to gather test predictions.

Explanation:

You would have to test the system in order to see if it's working right and everything is all good with the system.

I hope this helped. I am sorry if you get this wrong.

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Two machines can finish a job in StartFraction 20 Over 9 EndFraction hours. Working alone, one machine would take one hour long

Alborosie

Answer

5 hours

Explanation

The two working together can finish a job in

$\frac{20}{9} \: hours$

Also, working alone, one machine would take one hour longer than the other to complete the same job.

Let the slower machine working alone take x hours. Then the faster machine takes x-1 hours to complete the same task working alone.

Their combined rate in terms of x is

$\frac{1}{x} + \frac{1}{x - 1}$

This should be equal to 20/9 hours.

$\frac{1}{x} + \frac{1}{x - 1} = \frac{9}{20}$

Multiply through by;

$20x(x - 1) \times \frac{1}{x} +20x(x - 1) \times \frac{1}{x - 1} = 20x(x - 1) \times \frac{9}{0}$

$20(x - 1) +20x = 9x(x - 1)$

$20x - 20+20x = 9{x}^{2} - 9x$

$9{x}^{2} - 9x - 20x - 20x + 20= 0$

$9{x}^{2} - 49x + 20= 0$

Factor to get:

$(9x - 4)(x - 5) = 0$

$x = \frac{4}{9} \: or \: x = 5$

It is not feasible for the slower machine to complete the work alone in 4/9 hours if the two will finish in 20/9 hours.

Therefore the slower finish in 5 hours.

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3 years ago

Which tag denotes the end of an element in HTML? A. / B. * C. > D. ) E. _

Lilit [14]

C. ">" denotes the end of an element. For instance Hello! or <hr />

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3 years ago

What is the meaning of Ram?

masya89 [10]

Answer:

Random-Access Memory

Explanation:

used as a short-term memory for computers to place its data for easy access

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1 year ago

Case project 5-1 Network Integration

oee [108]

Answer:

You need to explain the entire network layout first.

Explanation:

Bringing on new IT Staff can be time consuming. But depending on the possession you need to explain to them how the domain lay out is.

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3 years ago

You want to set the sticky bit on an existing directory, subdir, without otherwise altering its permissions. to do so, you shoul

nikklg [1K]

If you want to set the sticky bit on an existing directory, subdir, without otherwise altering its permissions. to do so, you should type chmod a t <subdir>.

<h3>What is Subdir?</h3>

The Definition of the term subdirectory is known to be a kind of an organizational directory that can be seen on a computer.

It is known to be one that can be found inside another directory such as a subfolder. It is seen as the file a person is looking for and it is one that needs to have an extension.

Therefore, if you want to set the sticky bit on an existing directory, subdir, without otherwise altering its permissions. to do so, you should type chmod a t <subdir>.

Learn more about directory from

brainly.com/question/14845522

#SPJ1

See full question below

You want to set the sticky bit on an existing directory, subdir, without otherwise altering its permissions. To do so, you should type:

chmod a+_____ <subdir>

- s

- p

- b

- t

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2 years ago