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3 years ago

What are the benefits of using presentations to organize and deliver information?

1 answer:

4 0

Hello.

The benefits of using presentations to organize and deliver information are: it keeps things in order, keeps peoples attention longer, and it looks more professional.

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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.

8 0

3 years ago

What is the decimal equivalent of (11000 + 10000)/101?

Arturiano [62]

its answer in binary is 1000 and in decimal is 8.

7 0

3 years ago

What happens to formulas with relative cell references when they are copied using the fill handle?

Masteriza [31]

The correct answer is D

4 0

4 years ago

1. Write a generic method that compares its 2 arguments using the equals method and returns true if they are equal and false oth

Ganezh [65]

Answer:

Explanation:

The following piece of code is written in Java. It creates the method as requested that takes in two generic objects and compares them using the .equals() built in Java method. This method will return True if the objects are identical or False if they are not. A test case is used in the code and the output can be seen in the attached image below.

public static <T> boolean comparePerez(T a, T b) {

return a.equals(b);

}

5 0

3 years ago

Images are available in many formats, such as tif, bmp, gif, jpeg, and ____.

Lerok [7]

Images are available in many formats, such as tif, bmp, gif, jpeg, and png.

Hope that helps.

7 0

3 years ago