b ∨ d
d ∨ c
∴ b ∨ c
is this invalid or valid
or not enough information
Answers
Based on the given premises "B ∨ d" and "d ∨ c", we can conclude that "b ∨ c" is valid.
To determine the validity, we can use the method of proof by cases.
Case 1: If we assume B is true, then "B ∨ d" is true. From "B ∨ d", we can infer "b ∨ c" by replacing B with b. Therefore, in this case, "b ∨ c" is true.
Case 2: If we assume d is true, then "d ∨ c" is true. From "d ∨ c", we can again infer "b ∨ c" by replacing d with c. Therefore, in this case, "b ∨ c" is true.
Since "b ∨ c" is true in both cases, it holds true regardless of the truth values of B and d. Thus, "b ∨ c" is a valid conclusion based on the given premises.
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Related Questions
an application developer needs to store configuration data that can be retrieved each time the application is launched. the data must be in a format that could be easily viewed outside of the application and edited using any editor. which of the following would be the best choice? answer a. database management system b. text-based flat c. file binary flat d. file relational database
Answers
For storing configuration data that needs to be easily viewed and edited outside of the application, the best choice would be a text-based flat file. This is because text files store data in a human-readable format, making it easy to view and edit the configuration data using any text editor.
Text files also have the advantage of being lightweight and portable, making them easy to transfer and share. While a database management system (DBMS) could also be used to store configuration data, it may not be necessary for smaller applications and can be more complicated to set up and manage. Similarly, binary flat files are not easily human-readable, making them less suitable for configuration data. Finally, a file relational database is not a standard term, but if it means a relational database stored in a file format, it may be overkill for configuration data storage and not as easily viewable and editable as a text-based flat file.
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Which term is used to describe the overall structure the OS uses to name, store, and organize files on a drive
Answers
The term 'File System' is used to describe the overall structure the operating system uses to name, organize, and store files on a drive
An integral part of an operating system (OS) is known as a File System. A File System is a data structure that name, organize, and store data and information on storage devices ( such as hard drives, floppy disc, etc.), making them retrievable easily. FaT32 and NTFS are examples of file systems of operating systems. Different operating systems use different file systems, but all have similar features. Microsoft Windows is always installed on a disk volume that uses the NTFS file system.
Thus, the overall structure that an operating system uses to name, organize, and store files on a disk is called File System.
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a graphical method that can be used to show both the rank order and shape of a data set simultaneously is a
Answers
The rank order and form of the data distribution are both displayed using a stem-and-leaf diagram.
Which of the following graphical methods is used to present and contrast two variables among the possible answers?This sort of visual representation of data is called a scatterplot. A scatterplot shows how two numerical variables measured for the same persons are related to one another.
Which kind of graphical display would be most useful for comparing different data sets to one another?Bar graphs can be used to compare information between groups or to track changes over time. Bar graphs are especially beneficial when there are considerable changes or when comparing one group to other groups.
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The __________ member is less likely than the non-__________ member to engage in evaluative or critical behaviour or to propose initiatives that are out of line with group thinking.
Answers
The conformist member is less likely than the non-conformist member to engage in evaluative or critical behavior or to propose initiatives that are out of line with group thinking.
In a group setting, the conformist member tends to conform to the prevailing group norms and beliefs. They are more inclined to go along with the group's opinions and decisions, avoiding behaviors that challenge the established group consensus. This conformist behavior often leads them to avoid engaging in evaluative or critical behavior, as it may disrupt the group's harmony or cohesion.
Similarly, they are less likely to propose initiatives that deviate from the group's thinking, as they prioritize maintaining group cohesion and avoiding conflicts. Overall, the conformist member aligns their actions and ideas with the prevailing group mindset.
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I need help!
A standard is a:
A. normal way of addressing business letters.
B. level of quality or performance that people accept as normal.
C. a document with specific rules and regulations.
D. set unit of measurement for a particular purpose.
Answers
Explanation:
The answer is B. level of quality or performance that people accept as normal
Answer:
A standard is a: level of quality or performance that people accept as normal.
Explanation:
Just did this and got it correct.
State true or false: for every high level language, there are certain grammatical rules, violation of which a comp
Answers
Live Preview, found in the Font group, uses which method for seeing different font sizes without committing to them.
double-clicking the sizes on the Size drop-down list
pointing the mouse pointer to the sizes on the Size drop-down list
right-clicking the cell and clicking Preview Size on the drop-down list
clicking the sizes on the Size drop-down list
Answers
Answer:
B- pointing the mouse pointer to the sizes on the Size drop-down list
Explanation:
Answer:
B
Explanation:
got it right on edge
Writing on social media has helped users be:
A. more formal.
B. slower.
C. more concise.
D. wordy.
Answers
Answer:
C
Explanation:
more concise
according to the department of homeland security, quantum computing advances by whom pose a threat to the breaking of current cryptographic standards?
Answers
According to the Department of Homeland Security, advances in quantum computing by malicious actors pose a threat to the breaking of current cryptographic standards.
The quantum computing advances by adversaries pose a threat to the breaking of current cryptographic standards according to the Department of Homeland Security. As a result, the government is working hard to stay ahead of the cyber threats posed by quantum computing.
Cryptography plays a crucial role in cybersecurity, which is why cybercriminals, state-sponsored hacking groups, and other adversaries are increasingly using quantum computing to crack encrypted communications and steal sensitive information.
However, because of the complex nature of quantum computing and the resources required to operate it, quantum computing has thus far been primarily used for research and experimentation rather than cyberattacks.
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Explain why this scenario could put an organization in jeopardy of losing some of its workforce.
Situation: The IT manager decides to add a new software application to replace an older albeit less efficient software application.
Answers
Answer:
Not educating its employees on the new software.
Given five points \( A(1,0,2), B(3,1,1), C(4,2,-1), D(2,3,1) \) and \( E(2,3,0) \) in \( \mathbb{R}^{3} \). Use vector methods to answer the following questions. (a) Find the angle \( \angle B A C \).
Answers
Given five points in ℝ³ i.e. A(1,0,2), B(3,1,1), C(4,2,-1), D(2,3,1) and E(2,3,0).We need to use vector methods to find the angle ∠BAC.
Let's start solving the problem
Part 1: Vector representation of AB, AC
First, we need to find the position vectors AB and AC.i.e. AB = B - A, AC = C - A
We have: A(1, 0, 2), B(3, 1, 1), C(4, 2, -1)AB = B - A= (3 - 1)i + (1 - 0)j + (1 - 2)k= 2i + j - kAC = C - A= (4 - 1)i + (2 - 0)j + (-1 - 2)k= 3i + 2j - 3k
Part 2: Vector representation of normal to plane ABC Now, we will find the vector representation of normal to plane ABC as follows.
Normal to plane ABC = AB x AC Where x denotes the cross product of vectors AB and AC
We have: AB = 2i + j - k, AC = 3i + 2j - 3kAB x AC= |i j k|2 1 -13 2 -3|= -5i - 7j - 1kPart
3: Magnitude of vectors AB, AC and AB x AC We will find the magnitude of vectors AB, AC and AB x AC as follows.
Magnitude of vector AB = √(2² + 1² + (-1)²)= √6 Magnitude of vector AC = √(3² + 2² + (-3)²)= √22Magnitude of vector AB x AC = √((-5)² + (-7)² + (-1)²)= √75Part 4: Finding angle BAC
Finally, we will find the angle BAC using the formulacosθ = (AB. AC) / (|AB|.|AC|)cosθ = ((2i + j - k).(3i + 2j - 3k)) / (√6.√22)cosθ = (6 - 1 - 6) / (2√33)cosθ = -1 / (√33)θ = cos-1(-1/√33)θ = 100.23°Therefore, the angle between vectors BAC is 100.23°.Thus, option C is correct.
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The capital letter Wis expressed as U+0057 in which system?
A. ASCII
B. Hexadecimal code
C. Binary code
D. Unicode
Answers
The capital letter W is expressed as U+0057 in Unicode system
The Unicode system is known as a type of coding system which contains worldwide character encoding standard that gives a code to every character and symbol in every language spoken in the world today. It is known as the encoding standard that is used in all languages, It makes sure that an individual can retrieve or combine data with the use of different languages altogether.Conclusively, we can say that the The capital letter W is expressed as U+0057 in Unicode system
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Lab6B: Pick a number between 1 and 1000 For this lab, make sure to please use a while loop. Many programming languages have a library for a Random Number Generator (RNG). Whenever this RNG is used it will output one "random number back to the user. Applications of such a generator can including something like the lottery. Please keep in mind that the RNG will generate a random floating-point value between 0.0 and 1.0 and to adjust the range of the random numbers you need to either multiply or add to the result For example, if want the range to be from 0.0 to 50.0 we would multiply the result by 50. If wanted to move the range to 2.0 to 52.0 we would add 2 to the result. Re-read this passage and try to think about this a bit more deeply, it will click and make sense. In this lab exercise, please write a program that asks the user to pick an integer number between 1 and 1000; please use a while loop to verify that what was entered by the user is between the range specified earlier. If the input is within range, please have an RNG (please ask your lab instructor for details on how to create one some details shown below) that should keep randomly generating numbers until it generates one matching the number entered by the user. Also, please make sure that the program keeps track of how many guesses it takes. Have the program displays each guess and after than display the total guess count. Please refer to the sample output below. Disclaimer: When using the RNG you are going to have to store the generated number as a double or a float. Please make sure to round up the generated number to the nearest ones digit in order to avoid an infinite loop. Remember, the class name should be Lab6B The user input is indicated in bold. Java import java.util. Random public class generate Random public static void main(String args) Random rand - new Random(); // Generate random Integers in range o to 9 int rand_intl - rand.nextInt (10) ;)) C# public class generateRandom public static void main(String args[]) Random Ind-new Random() Generate random Integer in Tanto int example rnd. Next (10) ) ) Sample output: 1 Enter a number between 1 and 1000: 42 My guess was 56 My guess was 198 My guess was 239 My guess was 2 My guess was 5 My guess was 920 My guess was 42 I guessed the number was 42 and it only took me 231 guesses
Answers
Here is an example of a Java program that implements the functionality described in the prompt:
import java.util.Random;
import java.util.Scanner;
public class Lab6B {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Random rand = new Random();
int userNum, guessCount = 0;
// Ask user for a number between 1 and 1000
System.out.print("Enter a number between 1 and 1000: ");
userNum = scanner.nextInt();
// Verify that the user input is within range
while (userNum < 1 || userNum > 1000) {
System.out.println("Invalid input. Please enter a number between 1 and 1000: ");
userNum = scanner.nextInt();
}
// Keep generating random numbers until a match is found
int randNum = rand.nextInt(1000) + 1;
while (randNum != userNum) {
guessCount++;
System.out.println("My guess was " + randNum);
randNum = rand.nextInt(1000) + 1;
}
// Display the total number of guesses
System.out.println("I guessed the number " + userNum + " and it only took me " + guessCount + " guesses.");
}
}
In this program, I use a Scanner to get input from the user and a Random object to generate random numbers. I use a while loop to verify that the user input is within the range of 1 to 1000. Then I keep generating random numbers using the nextInt(1000) + 1 method until a match is found with the user input. I also keep track of the number of guesses using the guessCount variable and display it after the match is found.
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Critical Thinking Questions
You learned that there are many different programming languages, just like there are many different spoken languages throughout the world. And programming languages have certain syntax, or rules, they have to follow in order for the computer to understand the commands. Give one example of syntax for one of the programming languages listed in the unit. Then give two examples of syntax from a language you know. Describe what will happen if you do not follow these rules in your language.
What are the four main components of programming languages, and why is each one needed?
Give your own examples for how list and dictionary data structures could keep track of some common information you might need. Your examples should be different from the ones in the unit.
Why would a programmer use a flowchart?
Finish identifying the data types of each of the following pieces of data:
TABLE Identify data types
Data Data Type
“Hermione” String
13.5
-6
“18 Mingle Lane”
False
-20.4
“Bonjour”
12345
Answers
Answer:
I only have three answered but I hope this helps.
Explanation:
1. You learned that there are many different programming languages, just like there are many different spoken languages throughout the world. And programming languages have certain syntax, or rules, they have to follow in order for the computer to understand the commands. Give one example of syntax for one of the programming languages listed in the unit. Then give two examples of syntax from a language you know. Describe what will happen if you do not follow these rules in your language.
In python, when we declare a float or an integer, we declare like this:
a=2 for int
b=2.0 for float
4. Why would a programmer use a flowchart?
Programmers use flowcharts because the help the programmer see where the data will end up. Flow charts help programmers figure out where a potential problem area is and helps them with debugging or cleaning up code that is not working.
5. Finish identifying the data types of each of the following pieces of data:
Data Data Type
“Hermione” String
13.5 Float
-6 Integer
“18 Mingle Lane” String
False Boolean
-20.4 Float
“Bonjour” String
12345 Integer
Choose the option that best matches the description given. The older term, social service, referred to advancing human welfare. The new term, meaning to provide for the needs of various people and groups, is ____.
A. social assistance
B.social welfare
C.social media
For everyone that doesn't wanna watch the ads, The answer is A, social assistance.
Answers
Answer:
Social Assistance
Explanation:
Provision and disbursement of intervention in other to palliate the suffering and want of an individual, group or community can be described as rendering social assistance. Assistance which also means helping people fulfill their needs could be offered by the government, non-governmental organizations or individuals personnels. Rendering social assistance could be in the form of cash or gift offerings, provision of food for the hungry, shelter for the homeless, medical interventions for the sick and catering for other touch points of the needy.
Answer:
Social Assistance
Explanation:
Write a program in Python which prints your name, surname and class.
Answers
Answer:
print(name + "\n" + surname + "\n" + class)
Explanation:
not enough information is given but this will print those three variables with a newline between each.
a customer is looking for efficient alert management for its Data centre operations for reducing human effort in monitoring and actioning
Answers
I will recommend a Data center automation for the customer that is looking for efficient alert management for its Data center operations
Data center automation refers to a process by which routine workflows and processes of a data center such as (scheduling, monitoring, maintenance, application delivery) are managed and executed without human administration.
In conclusion, I will recommend a Data center automation for the customer that is looking for efficient alert management for its Data center operations
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answer image blur
Transcribed image text: Convert the following Pseudo-code to actual coding in any of your preferred programming Language (C/C++/Java will be preferable from my side!) Declare variables named as i, j, r, c, VAL Print "Enter the value ofr: " Input a positive integer from the terminal and set it as the value of r Print "Enter the value of c: " Input a positive integer from the terminal and set it as the value of c Declare a 2D matrix named as CM using 2D array such that its dimension will be r x c Input an integer number (>0) for each cell of CM from terminal and store it into the 2D array Print the whole 2D matrix CM Set VAL to CM[0][0] Set both i and j to 0 While i doesn't get equal to r minus 1 OR j doesn't get equal to c minus 1 Print "(i, j) →" // i means the value of i and j means the value of j If i is less than r minus 1 and j is less than c minus 1 If CM[i][j+1] is less than or equal to CM[i+1][j], then increment j by 1 only Else increment i by 1 only Else if i equals to r minus 1, then increment j by 1 only Else increment i by 1 only Print "(i, j)" // i means the value of i and j means the value of j Increment VAL by CM[i][j] Print a newline Print the last updated value of VAL The above Pseudo-code gives solution to of one of the well-known problems we have discussed in this course. Can you guess which problem it is? Also, can you say to which approach the above Pseudo-code does indicate? Is it Dynamic Programming or Greedy? Justify your answer with proper short explanation.
Answers
The following is the solution to the provided Pseudo code in C++ programming language. As for which problem this Pseudo code gives a solution for, it is the problem of finding the path with minimum weight in a matrix from its top-left corner to its bottom-right corner, known as the Minimum Path Sum problem.The above Pseudo code shows the Greedy approach of solving the Minimum Path Sum problem. This is because at each cell of the matrix, it always picks the minimum of the right and down cell and moves there, instead of keeping track of all paths and comparing them, which would be the Dynamic Programming approach. Hence, it does not require to store all the sub-problem solutions in a table but instead makes a decision by selecting the locally optimal solution available at each stage. Therefore, we can conclude that the above Pseudo code does indicate the Greedy approach to the Minimum Path Sum problem in computer programming.Explanation:After receiving input of the dimensions of the matrix and the matrix itself, the Pseudo code declares a variable VAL and initializes it with the first cell value of the matrix. It then uses a while loop to iterate through the matrix till it reaches its bottom-right corner. At each cell, it checks if it can only move to the right or down, and then it moves in the direction of the minimum value. VAL is then updated by adding the value of the current cell to it.After the loop is exited, the last updated value of VAL is printed, which is the minimum path sum value.
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Aume both the variable 1 and 2 have been aigned tring. Write an expreion that evaluate to True if 1 i greater than 2
Answers
Mathematical operators such as addition, subtraction, multiplication, and division are used to form an expression using numbers or variables.
How do you write an expression in algebra?Mathematical operators such as addition, subtraction, multiplication, and division are used to form an expression using numbers or variables.For instance, "4 added to 2" in mathematics will be expressed as 2+4.Any mathematical statement made up of numbers, variables, and an operation between them is called an expression or an algebraic expression.As an illustration, the equation 4m + 5 consists of the terms 4m and 5, as well as the variable m, all of which are separated from one another by the arithmetic sign +.A mathematical expression is a phrase that includes at least two numbers or variables, at least one arithmetic operation, and the expression itself.Any one of the following mathematical operations can be used.To learn more about expression refer
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What are the two types of latency that affect the performance of real-time systems?
Answers
The two main types of latency that affect performance are communication latency and execution latency.
Communication latency, also known as transmission latency, is the time taken for data to travel from the sender to the receiver.
This type of latency can be influenced by factors such as network congestion, distance between devices, and the quality of the communication channels.
Execution latency, on the other hand, is the time taken for a system to process and respond to an incoming request or command.
This can be affected by factors such as processing power, system load, and the efficiency of the algorithm used
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virtual conections with science and technology. Explain , what are being revealed and what are being concealed
Answers
Some people believe that there is a spiritual connection between science and technology. They believe that science is a way of understanding the natural world, and that technology is a way of using that knowledge to improve the human condition. Others believe that science and technology are two separate disciplines, and that there is no spiritual connection between them.
What is technology?
Technology is the use of knowledge in a specific, repeatable manner to achieve useful aims. The outcome of such an effort may also be referred to as technology. Technology is widely used in daily life, as well as in the fields of science, industry, communication, and transportation. Society has changed as a result of numerous technological advances. The earliest known technology is indeed the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped fuel the Ice Age development of language and the expansion of the human brain. The Bronze Age wheel's development paved the way for longer journeys and the development of more sophisticated devices.
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What is the difference between Packaged and tailored soft ware?
Answers
Answer:
Package software is developed by computer technicians. modified or changed if there is need because these software are custom-built. Tailored Software- Tailored software is the software that is developed as per the specifications and requirements of the users.
Explanation:
hpithlps.
why should the document type declaration be included in all html documents?
Answers
The document type declaration, also known as the DOCTYPE, is an essential component of an HTML document.
It informs the web browser about the version of HTML used in the document. This information is critical in ensuring that the browser renders the document correctly, including the use of appropriate syntax and handling of certain elements. Without the DOCTYPE, the browser may default to a different rendering mode or display errors in the document. Therefore, including the DOCTYPE declaration in all HTML documents is crucial for ensuring consistent and accurate rendering of web pages across different browsers and devices. It is considered a best practice to include the DOCTYPE declaration at the beginning of every HTML document.
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A pre-deployment message appears at the start of a patch job. You have to create a deployment job for a windows user wherein he will receive a notification message to the user indicating that a reboot is required. What communication option will you select?
Answers
Simply select Deployment Job under Jobs > New Job. You can also select the assets you wish to apply the updates on by going to the Assets page.
Which of the following qualys programmes or services allows for the creation of patch jobs?Qualys Patch Management effectively associates vulnerabilities with fixes and necessary configuration adjustments, and automatically generates "patch jobs" that are prepared for deployment and may be scheduled and executed automatically.
Which approach to patch deployment is advised?Patching software called Endpoint Central offers a thorough overview of the network's strong and weak points. Desktop administrators can apply all the missing fixes to a particular group of networked systems by using the system-based deployment option.
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How fast or slow a video sequence is
A. Time aperature
B. Length
C. Frame rate
D. Continuous
E. None of these
Answers
Answer:
C. Frame rate
Explanation:
hope this helps
7. What enhancing techniques that lines the interior of drawers and boxes resulted to soft velvety finish? A. Wood Turning b. Painting c. Etching d. Flocking
Answers
Answer:
d. Flocking
Explanation:
Flocking is one of the methods that is used to bring a finishing and decorative touch in the furniture. It is a process in which very fine particles are placed on the surface of the furniture to provide a texture to it. This process helps in adding a texture, providing a distinct color, and for better maintenance of the product. In the interior of the drawers and boxes, flocking is done so as to bring a soft and velvety finish.
What is constructive criticism?
Advice and possible solutions intended to help or improve something
Information given to others as a way to make them feel unintelligent
Reports about decreasing profits
Statements and no possible solutions aimed at showing problem areas
Answers
Answer:
Constructive cristsism is a helpful way of giving feedback that provides specific, actionable suggestions. Or, its a nice way of criticizing someone and telling them what to do better
Answer:
Advice and possible solutions intended to help or improve something
Explanation:
I took the test and Got it Correct!
What allows outlook to automatically flag forward move tag and respond to email messages.
Answers
The outlook that automatically flag forward move tag and respond to email messages is known as Rules.
What is rules in terms of an outlook?Rules is known to be a function in a system that helps one to move, flag, and answer to email messages automatically.
Note that a person can use rules do some other functions such as:
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What should i keep, a vr headset, or a ps5? im selling one of them and i want to know what to keep
Answers
Answer:
Tbh, you should probably keep the brain headset, but that’s in my opinion. I suggest you keep the one you use the most, because that would mean you probably like that one a bit more.
Answer:
ps5
Explanation:
moneÿ
Have you ever watched Full House? Who is your favorite character and why? EXPLAIN AND ILL GIVE BRAINLIEST!
Answers
Answer:
havent watched it and thanks for this
Explanation: