What is the PERCENT efficiency if a computer is supplied with 500 J of energy and is able to convert 400 J to useful energy?


A. 0. 8 %


B. 8 %


C. 80 %


D. 800 %

Answer:

im probably late but the answer is c.

Explanation:

i took the test! hopes this helps

The New Slide command on the Ribbon lets you choose slide layouts. Hence option C is correct.

Slide layout is defined as a layout  contain placeholder boxes for all of the material that appears on a slide, as well as formatting and positioning information. The dotted-line containers on slide layouts known as placeholders are where the titles, body text, tables, charts, SmartArt visuals, pictures, clip art, videos, and audio, among other things, are placed.

Click the "Home" option in the Ribbon to add a new slide in PowerPoint with the "Title and Content" slide arrangement. Afterward, select "New Slide" from the "Slides" button group. Alternatively, you can select the "Home" option in the Ribbon to enter a new slide with a different presentation layout.

Thus, the New Slide command on the Ribbon lets you choose slide layouts. Hence option C is correct.  

To learn more about slide layout, refer to the link below:

https://brainly.com/question/18069723

#SPJ2

In C++, the >> symbol is used as both a stream extraction operator and as a right shift operator. So the anwer to your question is true.

The stream extraction operator, also known as the input operator, is used to extract values from an input stream, such as the console or a file, and assign them to a variable. For example, `cin >> x` would extract a value from the input stream and assign it to the variable `x`. The right shift operator, on the other hand, is used for bit shifting operations. It is commonly used for binary operations, such as shifting a binary number to the right. For example, `y >> 2` would shift the binary representation of `y` two bits to the right. It is important to note that the context in which the >> symbol is used determines whether it is acting as a stream extraction operator or a right shift operator. When used in the context of input/output operations, it is interpreted as the stream extraction operator. When used in the context of bitwise operations, it is interpreted as the right shift operator.

learn more about stream extraction operator Here:

https://brainly.com/question/15454718

#SPJ11

Answer:

Te ayuda

Explanation:¿Cuál es la fórmula para calcular el volumen de una pirámide rectangular?

Resultado de imagen para Defina una función calc_pyramid_volume() con los parámetros base_length, base_width y pyramid_height, que devuelve el volumen de una pirámide con una recta

El volumen de una pirámide rectangular es definido como el espacio tridimensional ocupado por esta figura. Podemos calcular la medida de este volumen al multiplicar al área de la base por la altura de la pirámide y dividir por tres.

Directories are indexes of information, based on keywords embedded in documents, that allow search engines to find what Internet users are looking for.

Directories are indexes of information that are organized based on keywords or categories, making it easier for search engines to find relevant information. Directories are often used to organize and categorize websites, making it easier for users to find information about a specific topic. Examples of directories include the Open Directory Project (DMOZ) and Yahoo! Directory.

Podcasts, newsgroups, and aggregators are not typically used as indexes of information based on keywords or categories. Podcasts are audio or video content that is distributed online, often through RSS feeds. Newsgroups are online discussion forums where users can post and read messages about specific topics. Aggregators are tools that collect and display content from multiple sources, such as news articles or blog posts.

Learn more about concept of directories:https://brainly.com/question/28391587

#SPJ11

A return type cannot exist in the constructor. It ought to produce and deliver fresh objects. Consequently, a compilation error would result.

Including a return type in a constructor declaration is not allowed. A constructor has to accept one or more input parameters. In the absence of explicitly declared constructors for the class, Java will give a default constructor. The name of the constructor should match the class name. 2) The compiler will automatically produce a default parameterless constructor for a class if you don't define one. 3) All instance variables are initialized to default values, such as 0, null, and super(), by the default constructor.

Learn more about variable here-

https://brainly.com/question/13375207

#SPJ4

Answer:

-Click insert

-Click picture

-Click from file

-Right click the picture

-Select the desired picture and again click Insert

-Click insert caption

-Write the caption and add it

Explanation:

Answer:

B: by right-clicking the bottom row, clicking Insert, then clicking Insert Row Below

Explanation:

List is utilized to gather things that as a rule comprise of components of different data types. An array is additionally a imperative component that collects a few things of the same information sort. List cannot oversee number-crunching operations. array can oversee math operations.

In programming, a list and an cluster are two information structures used to store and control collections of values. The most contrast between them is the way they store and get to the information.

So, A list is an requested collection of things, and each thing can be of a distinctive information sort. Array: An cluster is additionally an requested collection of items, but all things must be of the same information sort.

Learn more about array from

https://brainly.com/question/24275089

#SPJ1

A modem converts original analog signals to digital signals that can travel down the telephone system.

A modem (modulator-demodulator) is a device that transforms digital signals into analog signals. It enables data transmission via analog telephone lines, which were designed for voice communications, by transforming data from computers or other digital devices into analog signals that can be transmitted over these lines. A modem then transforms the received analog signals back into digital signals, which can then be processed by the computer. Modems are used by both personal and corporate users to connect to the internet, as well as for remote access to systems and services. They are used for many purposes, including high-speed broadband internet access, remote device control, file transfers, and online gaming.

The primary purpose of a modem is to convert digital signals into analog signals so that they can be transmitted over the phone line. This is accomplished by modulating a carrier signal to represent digital bits. A modem is also in charge of demodulating received analog signals back into digital bits. This enables a computer to communicate with another computer via a telephone line.

Learn more about modem here

https://brainly.com/question/7320816

#SPJ11

In Programming, web technologies like the front end part e.g Flash, CSS, Java, and HTML  depends on back end APIs for task like data persistence, sending and getting data e.g post and get request in summary perform CRUD(Create, read, update and delete) operations

The development of web application is basically divider into two

Th front end depends on the back end for sending and retrieving information

Learn more:

https://brainly.com/question/8391970

Answer:

\n is an escape character for strings that are replaced with the new line object. Writing \n in a string that prints out will print out a new line instead of the \n. Java Escape Characters

Explanation:

If that what you meant. But n most of the time is either a string character or no special meaning such as integer that you defined.

N can also mean null

import java.util.Scanner;

import edhesive.testing.Math;

public U2_L8_Activity_One{

   public static void main(String[] args) {

       Scanner myObj = new Scanner(System.in);

       System.out.println("Enter a number.");

       int n = myObj.nextInt();

       for (int i = 0; i < 10; i++){

           System.out.println((int) (Math.random()*n));

       }

   }

}

I hope this helps!

Answer:

a pseu code is a is an artificial and informal language that helps programmers develop algorithms.

Explanation:

Answer:

The Iteration

Explanation:

Iteration is also known as repetition. It is used to execute a process (or statement) multiple times. Repetition statements are sometimes referred to as loops.

Hope this helped :) :3

Answer:

A

Explanation:

A software developer needs to prioritize tasks.

Answer:

Virtualisation

Explanation:

The correct answer would be virtualisation software, this is because it allows more computers to be "created" in the form of virtual machines. These virtual machines contain everything that a regular computer would have, i.e networks, storage devices, and processors except that it is virtual. You just need to have hyper v enabled in system settings.

Hope this helps!

The provided code attempts to implement a function named averageEnds that calculates the average of the first, last, and middle elements of a vector. If the length of the vector is even, it should calculate the average of the middle two elements.

To accomplish this, we first check the length of the vector using the size() function. If it is even, we calculate the average of the two middle elements using the at() function to access the elements.

If it is odd and has a length of at least three, we add the first, last, and middle elements and divide the sum by the length of the vector.

Finally, we return the average as a double.

Here's the implementation of the averageEnds function in C++:

double averageEnds(const vector<int>& v) {

   double result;

   int size = v.size();

   if (size % 2 == 0) {

       result = (v.at(size/2) + v.at((size/2) - 1)) / 2.0;

   }

   else if (size >= 3) {

       result = (v.at(0) + v.at(size-1) + v.at(size/2)) / 3.0;

   }

   return result;

}

In this implementation, we've used vector<int> to specify the type of the input vector. We've also used 2.0 and 3.0 instead of 2 and 3 to ensure that the division operation produces a double result.

When testing the function, we can compare the actual result with the expected result. If the actual result matches the expected result, the test case passes, otherwise it fails.

More on vectors : https://brainly.com/question/3184914

#SPJ11

Answer:

B: by using a louder voice

Explanation:

if Edge quiz then B

Answer:

B: by using a louder voice

Explanation:

correct on e2020 :)

17/11/2020

By Your name

Technology is the most useful form of science for the general population. In simple words, technology is when we take the concepts of science and transform them into gadgets and devices that are useful to us as human beings. When we look around us, almost everything is a result of or a form of technology.

For example, the device you are using right now is a form of technology made for communication, or the refrigerator in your kitchen is a use of science that helps to keep your food fresh and cool. With these examples, we see how dependent we are on technology and how important it is for us in our daily lives.

It isn’t easy to imagine our lives without using any form of technology. For the smallest of communications, we tend to turn to our mobile phones. Even most of the food we eat is packaged in factories using various technologies. Thus, imagining a life without technology is impossible. It is not only a fact of life but also a necessity for all of us.

In fact, the smartphone, that is, a mobile phone which can connect to the internet, is becoming one of the fastest-growing and most accessible forms of technology around the world. On a smartphone, you can click photographs, browse the internet, listen to music, and use social media. With the advent of smartphone technology, the practical purpose of not only communicating with your friends is met, but also so many others, as mentioned.

Thus, in today’s world, the importance of technology becomes more and more as the years pass. Scientists have done so much to advance humans using technology, and we still have a long way to go.

Answer:

the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?

Answer:your computer had a Damage by u get it 101 Battery

and if u want to fix it go to laptop shop and tells him to fix this laptop

Explanation:

Answer:

rules about the best way to communicate

Explanation

rules about being proper and polite

Answer:

the little button

Explanation:

Answer:

1. Accounting

2. software developing

3. Website designing

4. Online transaction

5. Advertising

you need to enter a password under " Ibrahim " and enter any username but not your real name double click on it to change and enter the password down again it's like a confirmation and btw Good Luck

Answer:

Example 1:

def function(num):  

   print(num*2)

Example 2:

function(5)

num = 2

function(num)

function(3-1)

Explanation:

Given:

See attachment for complete question

To start with Example (1)

def function(num):  

   print(num*2)

Note that; the above code segment which doubles the parameter, num could have been any other code

In Example (1), the parameter is num

For example (2):

We can call the function using:

#1. A value:

function(5)

In #1, the argument is 5; a value

#2. A Variable

num = 2

function(num)

In #2, the argument is num; a variable

#3. An Expression

function(3-1)

In #3, the argument is 3-1; an expression

Answer:

Just like your neck, back, and shoulders, your feet can also benefit from a regular rubdown. Foot massage improves circulation, stimulates muscles, reduces tension, and often eases pain. It also gives you a chance to check out your feet so you can get a jump on treating blisters, bunions, corns, and toenail problems.A good foot spa session releases the tension formed around the tight muscles and tendons and allows blood to flow and circulate smoothly to your other bodily organs and brain. Sliding into liquid bliss allows knots to unknot and pain for to be gently soothed away.

Hope this helps, have a wonderful day/night, and stay safe!

The individual speeds of a drilling machine with 8 speeds forming a geometric progression ranging from 100 rev/min to 1000 rev/min, an appropriate standard engineering software like MATLAB, CAS calculator, programmable calculator, or Excel software can be used.

Using engineering software like MATLAB, CAS calculator, programmable calculator, or Excel software, we can calculate the individual speeds of the drilling machine accurately.

To find the individual speeds forming a geometric progression, we need to determine the common ratio (r) of the progression. The common ratio can be calculated by taking the ratio of the final speed to the initial speed, raised to the power of 1 divided by the number of speeds minus 1 (n-1). In this case, the final speed is 1000 rev/min, the initial speed is 100 rev/min, and the number of speeds is 8.

Once the common ratio is obtained, we can calculate the individual speeds by multiplying the initial speed by the common ratio raised to the power of (i-1), where i represents the position of the speed in the progression.

By utilizing the capabilities of an appropriate engineering software, the individual speeds can be computed accurately to the nearest whole number, ensuring the desired range and geometric progression are achieved for the drilling machine.

Learn more about MATLAB here:

https://brainly.com/question/17372662

#SPJ11

Probability: i. 0.8%, ii. 9.6%, iii. 89.6%. Sample size: 1595. Individual screen effectiveness: at least 0.999966.

To calculate the probability that an incoming missile will not be detected by any of the three screens, we can use the complement rule. The probability of not detecting an incoming missile on any given screen is 1 - 0.8 = 0.2. Since the screens are independent, the probability that none of the screens will detect the missile is calculated by multiplying the individual probabilities together:

P(not detected on any screen) = 0.2 * 0.2 * 0.2 = 0.008

Therefore, the probability that an incoming missile will not be detected by any of the three screens is 0.008 or 0.8%.

To calculate the probability that the missile will be detected by only one screen, we need to consider all possible combinations where exactly one screen detects the missile. Since there are three screens and each screen has a 0.8 probability of detection, the probability of exactly one screen detecting the missile can be calculated as:

P(detected by one screen) = (0.8 * 0.2 * 0.2) + (0.2 * 0.8 * 0.2) + (0.2 * 0.2 * 0.8) = 0.096

Therefore, the probability that the missile will be detected by only one screen is 0.096 or 9.6%.

To calculate the probability that the missile will be detected by at least two out of three screens, we need to consider all combinations where two or three screens detect the missile. This can be calculated as:

P(detected by at least two screens) = 1 - P(not detected on any screen) - P(detected by one screen)

= 1 - 0.008 - 0.096

= 0.896

Therefore, the probability that the missile will be detected by at least two out of three screens is 0.896 or 89.6%.

(b)  To determine the sample size (n) needed to ensure that the probability of the missile getting through undetected is 0.0001, we need to calculate the complement of this probability. The complement of 0.0001 is 1 - 0.0001 = 0.9999. This is the probability that the missile will be detected. Since each screen has a detection probability of 0.8, the probability of all screens detecting the missile can be calculated as:

P(all screens detect) = 0.8 * 0.8 * 0.8 = 0.512

We can set up the equation:

\(\sqrt{x}\) ≥ 0.9999

Solving for n, we can take the logarithm of both sides:

n * log(0.512) ≥ log(0.9999)

n ≥ log(0.9999) / log(0.512)

Using a calculator, we find that n ≥ 1594.55. Therefore, a sample size of 1595 is needed to ensure that the probability of the missile getting through undetected is 0.0001.

If it is decided to stay with only 3 screens and attempt to improve the screen detection ability, we need to find the individual screen effectiveness (p) required to achieve the desired overall effectiveness. In this case, the overall effectiveness is 1 - 0.0001 = 0.9999. Using the same equation as before, we can solve for p:

p * p * p ≥ 0.9999

\(\sqrt{x}\) ≥ 0.9999

Taking the cube root of both sides, we find:

p ≥ \(\sqrt{x}\)

Using a calculator, we find that p ≥ 0.999966. Therefore, each screen must have an individual effectiveness (probability of detection) of at least 0.999966 to achieve the desired overall effectiveness.

learn more about Missile Defense.

brainly.com/question/10199352

#SPJ11

The question statement is true that it is not considered good programming practice to declare all your variables globally in the program or code.

It is not considered a good programming practice to declare all the variables globally.  Global variables are accessible and changeable by any function of the program. Thus, declaring all the variables globally creates a high chance of the data getting corrupted.

Any change in the values of the global variables, either is done by mistake or is the result of some other action, propagates to the whole program. In turn, that can lead to unexpected program behavior.

Consider a scenario where all data about bank balance is stored in a global variable. Storing this crucial data in a global variable makes a hin-ge to security of the data. As it can easily be accessed and modified by any function in the entire program.

Thus, it is highly recommended to use local variables with the exception of using a global variable only when there is an absolute need.

You can learn more about good programming practice at

https://brainly.com/question/14277907

#SPJ4

Answer:

In economics, utility function is an important concept that measures preferences over a set of goods and services. Utility represents the satisfaction that consumers receive for choosing and consuming a product or service.  Utility function is widely used in the rational choice theory to analyze human behavior.

Explanation: