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3 years ago

Write a program that display your name c++

Computers and Technology

1 answer:

storchak [24]3 years ago

8 0

Answer:

#include <iostream>

#include <string>

int main() {

std::string name;

std::cout << "Please enter a name: ";

std::cin >> name;

std::cout << "Hello " << name<<"!";

}

Explanation:

Asks for your name and adds Hello {name}!

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If you want to tune into a radio station that is carried by a signal with wavelength 3.0 meters, what channel would you choose?

Over [174]

Answer: The radio should be tuned to 100. 0 Mhz.

Explanation:

As radio waves are electromagnetic waves, like x-rays, UV rays, and all the wavelengths of visible light, they propagate in the free space at the speed of light: 3. 10⁸ m/s.

At any wave, there is a fixed relationship between the distance travelled by the wave along one cycle (which is called wavelength ) and the speed at which the wave oscillates (which is called the frequency of the wave), with the speed at which the wave propagates, as follows:

λ (wavelength) = v (speed) / f (frequency)

Replacing by the values, and solving for frequency, we have:

f = 3. 10⁸ m/seg / 3 m = 10⁸ 1/sec = 10⁸ Hz = 100. 0 Mhz

This is the radio channel to which must be tuned in order to listen the station with a wavelength of 3 m, in the FM band.

6 0

3 years ago

I have been trying to work on this for a while now, and this is on excel

cluponka [151]

Answer:

=IF(INDEX(INDIRECT(C10), B10)=0,"",INDEX(INDIRECT(C10), B10))

=IF((INDEX((INDIRECT(Dept,TRUE)),Reason))="","",(INDEX((INDIRECT(Dept,TRUE)),Reason)))

Explanation:

Given

Your formula:.

=INDEX(INDIRECT("Dept"),Reason)

Dept column = C (C10)

Reason field = B (B10)

The issue with your formula is that you failed to include a statement to test the falsity of the first condition; in other words, if your if statement is not true, what else should the formula do.

The question says that

"Nest the function inside an IF function so that issues currently displaying as a 0 will display as a blank cell" this means that

if the INDEX() function returns 0, a blank should be displayed in H10 blank, instead.

So, the right formula both of these two. You can use any of them

1. =IF(INDEX(INDIRECT(C10), B10)=0,"",INDEX(INDIRECT(C10), B10))

2. =IF((INDEX((INDIRECT(Dept,TRUE)),Reason))="","",(INDEX((INDIRECT(Dept,TRUE)),Reason)))

The two does the same function; the only difference is that

(1) considers the cell itself while (2) considers the contents of the cell.

The analysis of both is that

They both use a nested indirect reference to check for the content of cells displaying 0.

The first if checks for the above mentioned; if yes, cell H10 is made to display a blank else it's original content is displayed.

8 0

3 years ago

How to turn off new macbook pro when it is frozen 2017

Maksim231197 [3]

To unfreeze the mac book pro, there are two ways :
a. <span>Click the apple logo which is at the top left of the menu bar and then select 'force quit'.
b. Hold down the option, command, and escape buttons and then select 'force quit'. </span>
If all else fails, best option is to hold down the power button on the keyboard till it shuts down.

3 0

4 years ago

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Point to ______ of a cell to fill the cell to the right or down.

UNO [17]

Answer:

It's "The bottom left corner"

Explanation:

8 0

2 years ago

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