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geniusboy [140]
3 years ago
9

PLS HEEELLLP ASAP, DONT JOKE

Computers and Technology
2 answers:
Deffense [45]3 years ago
7 0

Explanation:

Computer viruses are spread through transportable secondary storage.e.g, inserting a hard disk that already has virus into another computer.

Lady_Fox [76]3 years ago
6 0
The answer is C secondary storage
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Which command button contains the following sub options as given in the picture?
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D) Slide options

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Durante 10s, la velocidad de rotación y el momento de giro de las ruedas de un coche eléctrico son 100 rpm y 1405,92 Nm, respect
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3 years ago
Two machines can finish a job in StartFraction 20 Over 9 EndFraction hours. Working​ alone, one machine would take one hour long
Alborosie

<em><u>Answer</u></em>

5 hours

<em><u>Explanation</u></em>

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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understanding component interaction

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How do you implement instruction level parallelism
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