How many ways can we write a list of 6 numbers from (1, 2, 3, 4, 5, 6, 7, 8) without repeating any?

Answers

Answer 1

Explanation:

[tex] \binom{n}{\\ k} = \binom{6}{8} = \frac{8 \times 7 \times 6 \times 5 \times 4 \times 3}{6 \times 5 \times 4 \times 3 \times 2} = 28[/tex]

We divide by factorial of 6 (!6) what is 6×5×4×3×2×1 so that there is no repetition.

Answer 2

Answer:

Explanation:

Number of combinations:

[tex]C_{8}^6 = \frac{8!}{(8-6)!*6! } = \frac{6!*7*8}{2!*6! } = \frac{7*8}{1*2} = \frac{56}{2}=28[/tex]


Related Questions

Write five examples of products that are needed in your school ​

Answers

1. Pencil/pen
2. Paper/ notebooks
3. Calculator
4. Folders/binders
5. Erasers

All of the fallowing are statements describing normal mechanical fan clutch operation EXCEPT:

Answers

The statements above are describing normal mechanical fan clutch operation except D. A fan clutch varies fan speed according to engine speed.

Why the above option chosen?

A properly functioning or operating fan clutch will be one that alter  the speed of the fan based on the engine temperature.

Not that if the engine is cold, the fan clutch is one that has no power to turn the fan very fast, even if engine speed is brought up. As the engine warms up, the fan clutch goes up on the speed of the fan.

Therefore, based on the above, The statements above are describing normal mechanical fan clutch operation except D. A fan clutch varies fan speed according to engine speed.

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All of the following are statements describing normal mechanical fan clutch operation EXCEPT:

A. A fan clutch has viscous drag regardless of temperature.

B. A fan clutch varies fan speed according to engine temperature.

C. A fan clutch stops the fan from spinning within two seconds after turning off a hot engine.

D. A fan clutch varies fan speed according to engine speed.

What are three reasons developers might choose to use GitHub to work on a
project together?
A. It permits developers to schedule their work calendars, vacation
time, and sick leave around one another.
B. It helps reduce the number of errors in a project and allows
developers to update projects often.
C. It allows developers or the team to review new sections before
they are recombined with the main project.
D. It allows developers to work on a branch or section of code
without affecting the entire project.
SUBMIT

Answers

Answer:

B. It helps reduce the number of errors in a project and allows

developers to update projects often.

C. It allows developers or the team to review new sections before

they are recombined with the main project.

D. It allows developers to work on a branch or section of code

without affecting the entire project.

Developers might choose to use GitHub to work on a project together because it allows them to:

A. Reduce errors in a project and update it frequently.

C. Review new sections before recombining them with the main project.

D. Work on a branch or section of code without affecting the entire project.

Therefore, options A, C, and D are correct.

GitHub is a web-based platform that serves as a collaborative sanctuary for software developers, akin to an interconnected digital realm. It empowers developers to host, review, and manage code repositories, fostering seamless teamwork and version control.

This virtual sanctuary functions as a haven where developers can contribute to projects, propose changes, and work collectively without disrupting the main codebase.

With its versatile tools, GitHub offers a captivating arena for developers to explore, collaborate, and unleash the full potential of their projects in a harmonious symphony of coding brilliance.

Therefore, options A, C, and D are correct.

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I need a code that will calculate total workers hourly pay and overtime pay.

Part timers work 20 hours a week and they get "time and a half" for each overtime hour past 20 hours

NO IF STATEMENTS ALLOWED

Answers

Using the knowledge in computational language in python it is possible to write a code that will calculate total workers hourly pay and overtime pay.

Writting the code:

hrs = float(input("Enter Hours:"))

name= str(input("enter your name"))

rate = float(input("""how many days did you work?""")

if hrs <= 40 :

pay = 1.5 * hrs

elif hrs > 40:

pay = (rate * 40) + (rate1.5(hrs-40))

else:

print("dear", name , "your salary will be pend till next month")

print("Dear", name, "we are paying you:", "$",pay

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What is a catch memory

Answers

Cache memory

Explanation:

A cache is a high-speed data storage layer which stores a subset of data, typically transient in nature, so that future requests for that data are served up faster than is possible by accessing the data's primary storage location

Using the print() function, output, "Let's play Silly Sentences!"
Using the input() function, prompt the user to, "Enter a name: ", then assign and store their response to a variable.
Repeat benchmark 2 for the other 8 inputs that we need from the user: adjective, adjective, adverb, food, food, noun, place, and verb.
Using a print() function, output, "[name] was planning a dream vacation to [place]." Replace [name] and [place] with the proper variables.
Repeat step 4 with the other 6 lines of output.
Double-check to make sure the output is formatted correctly - including spaces before and after variables and line spacing.
Run and test your program with the values from the Sample Run.
Debug and repeat step 7 as needed.

Answers

Answer:

print("Let's play Silly Sentences!")

name = input("Enter a name: ")

adjective1 = input("Enter a adjective: ")

adjective2 = input("Enter a adj: ")

adverb = input("Enter a adverb: ")

food1 = input("Enter a food: ")

food2 = input("Enter another food: ")

noun = input("Enter a noun: ")

place = input("Enter a place: ")

verb = input("Enter a verb: ")

print( "\n" + name + " was planning a dream vacation to "+ place + "." )

print( name + " was especially looking forward to trying the local \ncuisine, including " + adjective1 + " " + food1 + " and " + food2 + ".")

print("\n" + name + " will have to practice the language " + adverb + " to \nmake it easier to " + verb + " with people.")

print("\n" + name + " has a long list of sights to see, including the\n" + noun + " museum and the " + adjective2 + " park.")

In a paragraph or two, discuss the similarities and differences between NTFS, Share, and Linux permissions..

Answers

The similarity between NTFS Share and Linux permissions is that they change the access permissions.

The difference is that NTFS permissions allow you to provide users with more granular access while share permissions are easier to manage and apply.

How to illustrate the information?

Share permissions do not apply to users who are logged in locally to the server, but NTFS permissions do. Share permissions, as opposed to NTFS permissions, let you limit the number of active connections to a shared folder. Share permissions are set up in the "Permissions" settings' "Advanced Sharing" properties.

The most restrictive permission will take precedence over the others if you employ NTFS permissions and sharing permissions simultaneously. The user will only be able to read the file or have a look at the things in the folder, for instance, if NTFS share permissions are set to Full Control but share permissions are set to "Read."

In conclusion, NTFS permissions allow you to provide users more granular access while share permissions are easier to manage and apply.

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HELP HELP HELP Help Helpl

Answers

Answer:

#include <stdio.h>

int main(void) {

 float number = 0;

 printf("Enter a number: ");

 scanf("%f", &number);

 

 number *= 2;

 printf("The number doubled is: %f\n", number);

 return 0;

}

Explanation:

Assuming you want a C program, see above.

PLEASE HELP
Which of these would a computer scientist study, in addition to computers?

grammar
grammar

graphics
graphics

biology
biology

math
math

Answers

In addition to computers, a subject which a computer scientist would most likely study is: D. math.

What is a computer?

A computer can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and it processes these data into an output (information), which can be used to perform a specific task through the use of the following computer parts:

KeyboardNetworkMonitor screenMouseHard-disk drive

Who is a computer scientist?

A computer scientist can be defined as a professional who has been trained to specialize in the study of the theoretical aspect of computers, including analyzing and reviewing algorithmic computations, programs or codes.

In this context, we can reasonably infer and logically deduce that in addition to computers, a subject which a computer scientist would most likely study is math.

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Write an expression to print each price in stock_prices.

Answers

Answer:

This cannot be answered unless context is given. Comment your programming language and code written.

Which is an advantage of Cloud Computing?

Answers

One advantage that cloud computing has is allowing us to pick up information easily. With cloud computing you can deploy your application in multiple regions in no time with a few clicks.

this is confusing and need help so please help me right now

Answers

In order to round a given number to n decimal places in Java, you would use two methods and they are:

Round a Number using format

public class Decimal {

  public static void main(String[] args) {

       double num = 1.34567;

       System.out.format("%.4f", num);

   }

}

Round a Number using DecimalFormat

import java.math.RoundingMode;

import java.text.D ec im al Fo rmat;

public class Decimal {

  public static void main(String[] args) {

       double num = 1.34567;

       DecimalFormat df = new DecimalFormat("#.###");

       df.setRoundingMode(RoundingMode.CEILING);

       System.out.println(df.format(num));

   }

}

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Audra is creating a training document and would like to include an image that she sees on her screen that she has marked up for training purposes.

Which options should Audra use?

Insert tab, Pictures
Insert tab, Screenshot
Insert tab, Online Images
Insert tab, Format

Answers

Answer:

insert scrnshot

Explanation:

because she probably wants to include the marks

WHICH OF THE FOLLOWING IS A CLASSICAL ALGORITHM APPLIED TO MEDERN CRYPTOGRAPHY
A: LINEAR SEARCH
B: PSEUDORANDOM NUMBER GENERATOR
C: BINARY SORT
D: MODULAR ARITHMETIC

Answers

The option of the  CLASSICAL ALGORITHM that is known to apply to modern CRYPTOGRAPHY is known to be called option B: PSEUDORANDOM NUMBER GENERATOR.

What is a pseudo random generator in cryptography?

In regard to the theoretical computer science and cryptography, a pseudorandom generator (PRG) is known to be used for a class of statistical tests.

It is said to be one that is known to be a kind of a deterministic method that is often used in the mapping if a random seed so that it can be able to be a longer type of pseudorandom string.

It is one where there is no need for statistical test in the class that can be used to tell the difference between the output of the generator as well as that  of the uniform.

Therefore, The option of the  CLASSICAL ALGORITHM that is known to apply to modern CRYPTOGRAPHY is known to be called option B: PSEUDORANDOM NUMBER GENERATOR.

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JAVA: People find it easier to read time in hours, minutes, and seconds rather than just seconds. Write a program that reads in seconds as input, and outputs the time in hours, minutes, and seconds. Ex: If the input is: 4000 the output is: Hours: 1 Minutes: 6 Seconds: 40

Answers

Hope this helps mate

mention the four categorie of ammation

Answers

2D animation
3D animation
Stop motion animation
Motion graphics

Which of the following expressions evaluate to 3.5

Answers

Answer: Some expressions equal to 3.5 are 7/2, 3.50, etc

Describe your Johari Window. Which area or areas are largest for you? Smallest?

Answers

The windows you have in full screen are the largest, the smallest ones are the ones you have hidden and are not shown in the taskbar

What is output by the following program?
def sample (val):
val = val - 8
#MAIN
n = 16
sample (n)
print (n)

Answers

Explanation:

I don't know what language this is, but the functions (methods) should work the same. It should change the value of n by decreasing it by 8 so the solution would be 8.

The functions (methods) should work the same. It should change the value of n by decreasing it by 8 so the solution would be 8.

When the program is to be printed?

The first, print(val) will be printed, and here the value of val is 25 as set outside the function. Then the print(val) inside the example() will be printed, and here we have declared val as global and set its value to 15, And with last print as well, since the val is now global and with value 15, and hence the output will be 15. And hence the output is as above.

The execution of the program in the "for" loop  will be following

For k=0

=> val=1 and sum=0+1=1

For k=1

=> val=2 and sum=1+2=3

For k=2

=> val=3 and sum=3+3=6

For k=3

=> val=4 and sum=6+4=10

For k=4

=> val 5 and sum=10+5=15

For k=5

=> val=6 and sum=15+6=21

For k=6

=> val =7 and sum=21+7=28

For k=7

=> val=8 and sum=28+8=36

For k=8

val=9 and sum=36+9=45

So, all the iterations of for loop are completed and the output is 45.

Therefore, The functions (methods) should work the same. It should change the value of n by decreasing it by 8 so the solution would be 8.

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What are the key features of knack

Answers

Answer:

User Access. Secure access for your users to manage their data.

Workflow & Automation. The right data for the right users at the right time.

Data Management. A single platform to collect, manage, and audit your data.

Reports & Dashboards. Realtime charts and formulas to report on your data.

Payments. ...

Integrations.

Explanation:

2. Define what is a Flowchart and Algorithm?​

Answers

Answer:

an algorithm is a specific set of instrucions or rules for carrying out a procedure or solving a particular problem.

flow chart is a symbolic representation of an algorithm.

which type of files removed by Disk Cleanup took up the most space?

Answers

The type of files that can be removed by Disk Cleanup that took up the most space are:

Temporary Internet Files groupRecycle Bin files

Does Disk Cleanup remove all files?

Disk Cleanup is known to be a process that helps to free up space on any kind of hard disk, making an  improved system performance.

Note that  Disk Cleanup is one that searches your disk and then depicts temporary files, Internet cache files, as well as unnecessary program files that a person can be able to safely delete.

Therefore, based on the above, one can say that The type of files that can be removed by Disk Cleanup that took up the most space are:

Temporary Internet Files groupRecycle Bin files

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What's language processor?​

Answers

Answer:

A language processor is a software program designed or used to perform tasks such as processing program code to machine code. Language processors are found in languages such as Fortran and COBOL.

Compilers, interpreters, translate programs written in high-level languages into machine code that a computer understands. And assemblers translate programs written in low-level or assembly language into machine code.

What are the three major areas in the data warehouse? Is this a logical division? If so, why do you think so? Relate the architectural components to the three major areas

Answers

The three major areas in the data warehouse are:

The enterprise data warehouse (EDW).The operational data store (ODS).The data mart.

Yea, this is logical division because it helps to give room for viewing data without any form of transformation or movement.

What is a Data Warehouse?

A data warehouse is known to be a term that connote a form of a central keep hold of information that can be examined to be able to make a lot of informed decisions.

Note that this is one where Data tend to flows into a data warehouse through the kind of transactional systems, relational databases, as well as other sources.

Since Data Warehousing make use of data and information obtained from a lot of  sources into a single comprehensive database. Therefore, The three major areas in the data warehouse are:

The enterprise data warehouse (EDW).The operational data store (ODS).The data mart.

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Can you help me answer this?​

Answers

explaination: 

The use of 1.self-reflection by students helps them better understanding of the learning,


with the improvement in the test performance, and the analysis of the subject 


2.they need help in. Thus, option and are correct.What is self-reflection?Self reflection is given as self assessment that mediates the development of the individual with his own assessments of the strength and the weakness.The self-reflection by students help them analyze their code and command over a subject and thereby forms the development of the better understanding of the learning, with the improvement in the test performance, and the analysis of the subject they need help in. Thus, option 

Where is the hard drive located

Answers

Answer:

The hard drive is located in the drive bay.

In your pc duhhhhhhh


Identify and describe your computer or laptop's hardware, software, and operating system.

Answers

Explanation:

Computer hardware is any physical device used in or with your machine, whereas software is a collection of programming code installed on your computer's hard drive. In other words, hardware is a product you can hold in your hand, whereas software cannot be held in your hand.

The Hardware have the parts as: Central Processing Unit , Random Access Memory , Disk Drive and Motherboard.Software refers to the programs and applications that run on a computer system.

Hardware:

A computer or laptop typically consists of various hardware components, including:

1. Central Processing Unit (CPU): This is the main processing unit of a computer responsible for executing instructions and performing calculations.

2. Random Access Memory (RAM): It provides temporary storage for data and instructions that the CPU can access quickly.

3. Solid State Drive (SSD): These are storage devices for long-term data storage, including the operating system, software programs, and user files.

4. Motherboard: It connects and allows communication between various components of a computer, such as the CPU, RAM, and storage devices.

Software:

Software refers to the programs and applications that run on a computer system.

Some common types of software include:

1. Operating System (OS): It manages the computer's hardware and software resources, providing a user interface and enabling users to interact with the system.

2. Applications: These are software programs designed to perform specific tasks, such as word processing, web browsing, photo editing, or video playback.

Operating System:

An operating system is the software that manages computer hardware and software resources and provides a platform for running applications.

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Similarities between the primary memory and the secondary memory​

Answers

Answer:

Primary and secondary

Explanation:

Primary storage refers to the main storage of the computer or main memory which is the random access memory or RAM. Secondary storage, on the other hand, refers to the external storage devices used to store data on a long-term basis.

What is a problem? Give an example of a business problem and discuss how a computer-based information system could solve it?​

Answers

For example lets take a business that provides IT services, so the company might face majority of issues and one of them could be outdated system and equipments, in result this can make the business owner suffer from the complexities of integrating new hardware or software into their existing networks, so lastly its always important to have a regular maintenance on your current devices and to use support services when necessary.

Assuming there are 7.481 gallons in a cubic foot. Write a program that asks the user to enter a number of gallons, and then displays the equivalent in cubic feet.


The program must use assignment operators, cout’s, cin’s, and declaration of variables.

Answers

Using the knowledge in computational language in C++ it is possible to write a code that asks the user to enter a number of gallons.

Writting the code:

#include <iostream>

using namespace std;

int main()

{

      float gallons, cufeet;

      cout << "\nEnter quantity in gallons : ";

      cin >> gallons;

      cufeet = gallons / 7.481;

      cout << "Equivalent in cublic feet is " << cufeet << endl;

      return 0;

}

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1. Look at the image below. In 250 words, write your opinion about the picture. The probability of rain in Nevada is 0.3.If it rains, the probability of the school bus being late is 0.4.If it does not rain, the probability of the school bus being late is 0.15.What is the probability that it will not rain?If it does not rain, the probability of the school bus bring on time is?What is the probability that it will rain and the school bus will be on time? (Q007) This figure shows2Click to view larger image.O a right-lateral, strike-slip fault.O a fault with a northwest strike.O that a dip-slip motion has occurred along the fault trace.O a fault produced by stretching. Which of these activities would most likely be the task of a young girl in colonial america? La semana pasada fue el cumpleaos de Carmen y sali con amigos a celebrar. Escoge el verbo que completa mejor cada oracin. (Choose the verb form that best completes the sentence.) 1. Las chicas argentinas ____________________ un buen partido de jockey sobre piedras anoche. Group of answer choices: - juegan - jugaron - jugaste 2. Mis entrenadores nos _________________ mucho a ganar el campeonato el ao pasado. Group of answer choices - ayudaste - ayudo - ayudaron 3. Los uniformes de futbol ________________ mucho ms que el ao pasado. Group of answer choices: - costo - costaron - costamos 4 La semana pasada Luca y sus amigos ________________ a ver el partido de la seleccin de Argentina. Group of answer choices - fue - fuimos - fueron 5. El ao pasado, los padres de los jugadores de jockey _________________ mucho al equipo de la escuela. Group of answer choices: - apoyaron - apoyamos - apoyo in the periphery of the body, build the myelin sheaths that surround and insulate certain vertebrate axons. Pls help me quickly! Which feature forms at this plate boundary? mountains rift valleys volcanoes island chains HELP HELOHELPPPPPP ASAPOn average, Leah's car gets 31.4 miles on every gallon of gasoline. If she fills up her tank for $2.18 per gallon, how much will it cost her to drive358 miles? a change will only occur one time. group of answer choices cyclic periodic unidirectional bidirectional John buys a phone for $4 500 and sells it to his brother who pays him in three instalments of $1 200.(a) Determine with the appropriate working if John made a profit or a loss. [2] (b) What was his percentage profit/loss? Give a physical argument that shows it is impossible to accelerate an object of mass m to the speed of light, even with a continuous force acting on it. the 2-year discount factor is 0.92. what is the present value of $1 to be received in year 2? note: do not round intermediate calculations. round your answer to 2 decimal places. How much weeks would I need to save up to get to $1000 if I get 35 one week, then 45 the next week (Every week for chores I get 35 and 45 every other week)Example: week 1: +35 Week 2: + 45 Week 3: +35 Week 4: + 45 2. It is the end of your junior year of college and you realize that you can graduate a semester earlyby taking two classes during the summer. This is most closely related to what concept ineconomics?A. IncentiveB. TradeoffC. ScarcityD. Opportunity Cost List the correct day in regards to the following question.Gestern war Sonntag. Welcher Tag ist bermorgen?O SamstagO MittwochO MontagO Dienstag The sum of the squares of two consecutive integers is 25 find the integers A net force of 75 pounds acts on a body of 25 slugs. The body is initially at rest. What is its acceleration during the action of the force? Which part of the brain processes incoming sounds and recognizes them as language?. 7. Which statements about the values of 7.055and 70.55 are true? Select all that apply.7.055 is 10 of 70.55.7.055 is 100 of 70.55.70.55 is 10 times 7.055.70.55 is 100 times 7.055.7.055 is 10 times 70.55.