given a string matrix we in that need to find the
number which is occured two times or more than two times and and
give the sum of those numbers
Sample input::
[1 3 4
3 6 8
8 6 8]
Output:
3+8=11"
Plea
Given a string matrix, we need to find the number that occurred two times or more than two times and give the sum of those numbers. In order to do this, we can take the following approach:We can convert the string matrix into an integer matrix. We can create an empty dictionary. We will iterate through each element in the matrix.
If the element is not present in the dictionary, we will add it with the value 1. If the element is already present in the dictionary, we will increment its value by 1. After iterating through the matrix, we will iterate through the keys of the dictionary and add the sum of the keys whose values are greater than or equal to 2. The sum of these keys will be the desired output.
Here is the implementation of the above approach in Python: matrix = [[1, 3, 4], [3, 6, 8], [8, 6, 8]]d = {}# Convert string matrix to integer matrix for i in range(len(matrix)): for j in range(len(matrix[i])): matrix[i][j] = int(matrix[i][j])# Populate dictionary with occurrences of each number for i in range(len(matrix)): for j in range(len(matrix[i])): if matrix[i][j] not in d: d[matrix[i][j]] = 1 else: d[matrix[i][j]] += 1# Calculate sum of numbers that occurred 2 or more times sum = 0for key in d: if d[key] >= 2: sum += key print(sum) In the given problem, we have a matrix of strings and we need to find the numbers that occurred two or more times and sum them up. To solve this problem, we first need to convert the string matrix into an integer matrix. We then need to iterate through each element in the matrix and populate a dictionary with occurrences of each number in the matrix.
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(e) The vending machine stores the quantity of items available in a database table called ITEMS
The current contents of ITEMS is shown:
ItemCode
ItemName
Stock
A1
Crisps, bacon flavour
6
A2
Crisps, salted
2
B1
Chocolate bar
12
C1
Apple pieces
18
C2
Raisins
7
Complete the following SQL statement to display the item code for all items that have fewer than 10 in stock
SELECT
FROM
Answer:
a1,a2,62,
please mark brainliest
Explanation:
What does music mean to you? Is it a big part of your life, or is it just "there". Answer in at least two complete sentences.
Answer:
Music means a lot to almost everyone and plays a significant role in most people's lives. With all of the different genres, music encompasses a wide range of moods and emotions, and there is something for almost everyone.
Answer:
Music plays a crucial role in several people's lives. There is proof that music has helped benefit people's lives to be more positive, and some studies show that students that listened to music and meditated with music during school, had anxiety levels less than students who didn't get such an opportunity.
Explanation:
(I've read a paper somewhere for school for a health project abt stress and anxiety)
what tectonic setting is primarily responsible for producing the appalachian mountains and great smoky mountains national park? group of answer choices slide past push-together obduction push-together subduction hot spot pull-apart
E) Push-together Subduction is primarily responsible for prodcing the Appalachian mountains and great smoky mountains national park.
What is Appalachian mountains?
The Appalachian Mountains, regularly referred to as the Appalachians, are a machine of mountains in jap to northeastern North America. The Appalachians first fashioned kind of 480 million years in the past throughout the Ordovician Period.
They as soon as reached elevations much like the ones of the Alps and the Rocky Mountains earlier than experiencing herbal erosion. The Appalachian chain is a barrier to east–west travel, because it bureaucracy a chain of alternating ridgelines and valleys orientated in competition to maximum highways and railroads jogging east–west.
Definitions range on the right limitations of the Appalachians. The U.S. Geological Survey (USGS) defines the Appalachian Highlands physiographic department as which include thirteen provinces: the Atlantic Coast Uplands, Eastern Newfoundland Atlantic, Maritime Acadian Highlands,
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Complete question:
What tectonic setting is primarily responsible for producing Mt. St Helens?
A) Hot Spot
B) Slide Past
C) Pull-Apart
D) Push-together Obduction
E) Push-together Subduction
List any two software that could be used for creating visual information
Answer: inkscape
Microsoft PowerPoint
Explanation:
Visual information is the presentation of information in visual format e.g through pictures, etc. It is the use of pictures, signs, icons etc to pass a message with one's sense of sight.
The software that could be used for creating visual information include inkscape and Microsoft PowerPoint. IInkscape is an open-source vector graphics editor which is used in the creation of vector images. Microsoft PowerPoint is also a presentation program.
A group of two or more computer systems linked together via communication devices is called:.
A group of two or more computer systems linked together via communication devices is called: A Network
A group of two or more computer systems linked together via communication devices is called a Network.
What is meant by network?Network is the way of connecting two or more computers at the same time for the exchanging resources, like pictures, videos, files, documents and other things, It makes people to share the work they are engaging on. The different computer are connected through cables, telephone lines, radio waves, satellites, or infrared light beams.
The purpose of the network is to keep the people connected to their family and business members. A network is made up of connected computers, servers, mainframes, network devices, peripherals, and other hardware. An example of a network is the Internet, which links millions of individuals worldwide.
Thus, it is a network.
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to zoom a document so that you can see the left and right margins, which of the following should you do? a. press 100% in the zoom group of the view tab. b. press read mode in the views group of the view tab. c. press page width in the zoom group of the view tab. d. press side to side in the page movement group of the view tab.
According to the given statement, We should do press page width in the zoom group of the view tab.
What is view tab?A view in a database is a virtual table that is created by a query. It contains columns and rows of data, just like a real table. The difference is that the view does not actually contain any data itself, but is instead defined by a query that references one or more actual tables. Views can be used to simplify complex queries, restrict access to certain data, and provide a more secure way for users to interact with the database.
View tab in Excel allows users to customize the view of their spreadsheet. Users can hide or unhide rows or columns, freeze or unfreeze panes, change the zoom level, or show or hide the formula bar. The View Tab is also where users can access the Page Layout view and the Page Break Preview, both of which allow users to adjust settings related to printing their spreadsheets.
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Select the correct answer.
Ben wants to keep similar items close to each other in the image he is working on. Which is the most effective technique for applying the gestalt
concept of proximity?
The BLANK technique is the most effective technique for applying the gestalt concept of proximity.
Gestalt Principles are principles/laws of human perception that describe how humans group similar elements, recognize patterns and simplify complex images when we perceive objects.
What are the Gestalt Principles?The tendency to view items as belonging to the same grouping when they are close to one another is known as the gestalt principle of
proximity
. It claims that regardless of how different the forms and sizes are from one another, if shapes are close to one another, you will perceive them as groups. One of Gestalt's principles, the concept of closeness focuses on how each stimulus would be seen in its most basic form. The
Law of Simplicity
or the Law of Pragnanz are other names for it. It is founded on the idea that the sum of a thing is worth more than the sum of its components.
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What is the relationship between the primary key of a relation and the functional dependencies among all attributes within that relation
When discussing the relationship between the primary key of a relation and the functional dependencies among all attributes within that relation, it is essential to first understand the concepts of primary keys and functional dependencies in the context of relational databases.
A primary key is a unique identifier for each record in a relational database. It ensures that each row of data can be uniquely identified, preventing duplicate records and ensuring data consistency. On the other hand, functional dependencies describe the relationship between attributes within a relation, where one attribute (or a set of attributes) determines another attribute.
The relationship between the primary key and functional dependencies can be observed through the concept of normalization. Normalization is a process that organizes a database into tables and columns to reduce redundancy and improve data integrity. It involves decomposing relations to eliminate certain types of functional dependencies, specifically, those that violate the normal forms (e.g., first normal form, second normal form, and third normal form).
In this context, the primary key plays a significant role in ensuring that a relation satisfies the normal forms. Functional dependencies that involve primary keys help identify and eliminate redundancy within the relation, as the primary key uniquely identifies each record. This leads to more efficient and well-structured relations in a database.
In summary, the relationship between the primary key of a relation and the functional dependencies among all attributes within that relation is essential for maintaining data consistency and eliminating redundancy. Primary keys uniquely identify records, while functional dependencies help in decomposing relations to satisfy normal forms, leading to a more efficient and well-structured database.
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Which of the following Python identifier names are valid or invalid? (2.5 points)
1. 2Good2BeTrue
2. Sum-It-Up
3. python_is_a_piece_of_cake
4. ALLCAPS
5. areWeThereYet?
Valid Python identifier names follow certain rules, including starting with a letter or underscore, and only using letters, numbers, or underscores for the remaining characters. Special characters, such as hyphens and question marks, are not allowed.
Python identifier names are used to identify variables, functions, modules, classes, and other objects in Python programming language. These names should follow certain rules to be considered valid. In Python, valid identifier names should start with a letter (lowercase or uppercase) or an underscore character (_). The remaining characters can be letters, numbers, or underscore characters. Spaces and special characters such as hyphens (-) are not allowed.
1. 2Good2BeTrue - Invalid
The identifier name starts with a number, which is not allowed.
2. Sum-It-Up - Invalid
The hyphen (-) is not allowed in Python identifier names.
3. python_is_a_piece_of_cake - Valid
This identifier name follows the rules of valid Python identifier names.
4. ALLCAPS - Valid
This identifier name follows the rules of valid Python identifier names.
5. areWeThereYet? - Invalid
The question mark (?) is not allowed in Python identifier names.
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Some students are studying the amount of pollution in a river They are using a computer to measure the pollution level using sensors to record and print the result.
Name two sensors they should use to measure the amount of pollution.
Answer:
optical sensors
Explanation:
optical sensors measure the amount of gases like carbon dioxide and carbon monoxide in the air
3. The Central Processing Unit is made of
the following units
a) Hardware and Software
b) Control Unit and Arithmetic and
Logic Unit
c) Control Panel and Toolbar
d) All of the above
Answer:
a
Explanation:
jjwjwjwwjwjwjwjwjwj#k#kwkekee
It is the responsibility of a manager to understand the company’s IT architecture and corresponding infrastructure so that they can do which of the following? Choose the appropriate IT infrastructure components. Select the correct wireless provider. Ensure a rigid IT structure. Make realistic use of IT and know what to expect from IT. Limit future business options.
It is the responsibility of a manager to understand IT architecture and corresponding infrastructure so that he can: D. Make realistic use of IT and know what to expect from IT.
What is IT?IT is an acronym for information technology and it can be defined as a set of information systems (IS) or computer systems, that are typically used to collect, store, and process data, as well as for the dissemination of information, knowledge, and distribution of digital products in a business firm.
This ultimately implies that, an information technology (IT) interacts with its environment by receiving, processing and storing data in its raw forms and information in a usable format.
In conclusion, it is very important and essential that a manager understands an IT architecture and corresponding infrastructure so that he can make realistic use of information technology (IT) and know what to expect from information technology (IT).
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In this programming project, you will develop an n-node distributed system that implements a vector clock. The distributed system uses a logical clock to timestamp messages sent/received among the nodes. You can use any programming language. To simplify the design and testing, the distributed system will be emulated using multiple processes on a single machine. Each process represents a machine and has a unique port number for communication.
Implement the vector clock for your distributed system. You can create two threads for each process, one for sending messages to other nodes and one for listening to its communication port. Communication among nodes can be done using RPC or using sockets. Once a process sends a message, it should print its vector clock before and after sending a message. Similarly, once a process receives a message, it should print its vector clock before and after receiving the message. You can assume that the number of processes (machines) is fixed (equal to or larger than 3) and processes will not fail, join, or leave the distributed system
This programming project involves implementing a distributed system with a vector clock. The system consists of multiple processes that communicate with each other using sockets or RPC.
Each process has a unique port number for communication and is represented by a thread for sending messages and a thread for listening to its communication port.
The vector clock is used to timestamp messages sent and received by the nodes. When a process sends a message, it prints its vector clock before and after sending the message. Similarly, when a process receives a message, it prints its vector clock before and after receiving the message.
The project assumes a fixed number of processes (equal to or larger than 3) and that processes will not fail, join, or leave the distributed system. The implementation can be done in any programming language.
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Enumerate at least 5 furnitures you would add to your house which would be practical and energy-saving.
Answer:1. Advanced house framing
Advanced house framing, also known as optimum value engineering, is a specific framing technique wherein a house is constructed using less lumber and waste. Advanced house framing saves energy by using less wood and more insulation. According to the U.S. Department of Energy, using advanced framing can lower material costs by $500 to $1,000 for a 1,200- to 2,400-square-foot house. It can also cut labor costs by 3-5% and annual heating and cooling costs by up to 5%.
2. Cool roofs
Cool roofs are designed to reflect sunlight and lower roofing temperatures. Cool roofs are made from a type of reflective material within roofing materials such as tiles, shingles, paint or other substances. This energy-saving technique is ideal for houses in warm climates where air conditioning costs are high all year around.
3. The right exterior doors
Choosing the right exterior door for a home should be a carefully thought-out decision. When you choose a door, you should first consider the doors' energy-performance ratings. This score lets you know how well each door does in preserving the energy in your home by trapping heat or cool air inside. Using this score to help you find the ideal door will also help you narrow down your selection and find an exterior door that best matches your taste, needs and wants.
4. Skylights
Skylights are often a feature that enters homeowners' mind when they think of improving their homes' energy efficiency. Skylights have many benefits, which makes them ideal for any home. Skylights improve houses' heating, lighting and ventilation. It is important to note that if you are considering placing skylights in your home, the U.S. Department of Energy recommends they be no larger than 5% of the floor area in rooms with several windows, and 15% of the floor area in rooms with minimal windows.
5. Window treatments
Boring curtains do more than drive your spouse crazy; they can actually help reduce energy costs in your home. By being specific in your choice of window treatments, you can reduce heat loss or keep cool air inside your home. Many factors determine window treatments' energy efficiency. For example, the type of material and color of the treatment are significant, along with how it opens and closes.
Explanation:
10 points] design an algorithm to search the number 42 in a binary tree. what is the time complexity of this algorithm (apply the analysis framework)?
When searching for a key (or a location to insert a new key) in a tree, they traverse the tree from root to leaf, comparing keys stored in the tree's nodes and deciding whether to continue searching in the left or right subtrees based on the comparison.
Binary Tree can be found using the following code:
// Binary Tree in Java
// Node creation
class Node {
int key;
Node left, right;
public Node(int item) {
key = item;
left = right = null;
}
}
class BinaryTree {
Node root;
BinaryTree(int key) {
root = new Node(key);
}
BinaryTree() {
root = null;
}
// Traverse Inorder
public void traverseInOrder(Node node) {
if (node != null) {
traverseInOrder(node.left);
System.out.print(" " + node.key);
traverseInOrder(node.right);
}
}
// Traverse Postorder
public void traversePostOrder(Node node) {
if (node != null) {
traversePostOrder(node.left);
traversePostOrder(node.right);
System.out.print(" " + node.key);
}
}
// Traverse Preorder
public void traversePreOrder(Node node) {
if (node != null) {
System.out.print(" " + node.key);
traversePreOrder(node.left);
traversePreOrder(node.right);
}
}
public static void main(String[] args) {
BinaryTree tree = new BinaryTree();
tree.root = new Node(1);
tree.root.left = new Node(2);
tree.root.right = new Node(3);
tree.root.left.left = new Node(4);
System.out.print("Pre order Traversal: ");
tree.traversePreOrder(tree.root);
System.out.print("\nIn order Traversal: ");
tree.traverseInOrder(tree.root);
System.out.print("\nPost order Traversal: ");
tree.traversePostOrder(tree.root);
}
}
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Which of the following are ways to improve the sound quality of voice recordings? (Choose all that apply)
1. Noise Reduction
2. Normalization
3. Equalization
4. Distortion
Answer: 1, 2, and 3
Explanation:
The ways to improve the sound quality of voice recordings are noise reduction, normalization, and equalization. The correct options are 1, 2, and 3.
What is voice recording?All of the voices in a phone conversation are recorded during voice recording. This capability, which is frequently offered on business phone systems, is also known as call recording or voice logging.
One of the key steps in the creation of music is sound recording. It's a technique for recording musical performances so that they can be put together into compositions and polished into professional recordings.
Technology used to record or recreate audio signals, which are then translated into sound, is referred to as audio. It is an audio media that transmits audio-encoded signals by means of airborne sound vibrations.
Noise reduction, normalisation, and equalisation are techniques for enhancing the audio quality of speech recordings.
Thus, 1, 2, and 3 are correct options.
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when it comes time to execute a vulnerability scan, what are optional tools you might use to launch it? (select two.)
Vega is an optional tool that you might use to initiate a vulnerability scan when the time comes.
The process of scanning an image so that a computer can save, edit, or comprehend it is known as a scan. Utilizing an optical scanner is the most typical scanning technique. Text can also be scanned and entered into a computer using specialised software like an OCR (optical character recognition) programme.
Today, it's also possible to use the camera on your smartphone as a scanning tool. For illustration, a QR code for the Computer Hope website is shown. You can choose to launch the Computer Hope website by pointing your smartphone camera at this code.
a phrase used to describe the procedure of using software to review files for various purposes. Antivirus software checks files, for instance.
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Writing a program to calculate a person's BMI is an example of using a math algorithm. In the BMI case,
you used a formula to find a person's BMI and assigned the result to a category. Your program handled
possible errors. This man needs to be concerned about his potential errors.
Answer:
BMI is calculated = mass or weight in kilograms / height in meters.
Examples:
Input : height(in meter): 1.79832
weight(in Kg): 70
Output : The BMI is 21.64532402096181, so Healthy.
Explanation : 70/(1.79832 ×1.79832)
Input : height(in meter): 1.58496
weight(in Kg): 85
Output : The BMI is 33.836256857260594 so Suffering from Obesity
Explanation : 70/(1.58496×1.58496).
what time is it NOW??
Answer:
Depends on your time zone. Look in the bottom right of your computer and you can see what time it is.
Which of the following is not an example of acculturation?
A toddler learning the alphabet
HOPE IT HELP!
antistatic wrist straps, mats, and bags are used to prevent _______________.
Antistatic wrist straps, mats, and bags are used to prevent electrostatic discharge (ESD).
Electrostatic discharge occurs when there is a sudden flow of electricity between two objects with different electrical potentials. It can damage electronic components, circuits, and devices, leading to malfunctions or permanent failure. Antistatic measures such as wrist straps, mats, and bags are designed to dissipate static electricity and prevent ESD from occurring. They provide a path for the static charge to safely discharge, protecting sensitive electronic equipment from potential damage.
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From the user:
My machine is saying I have to reboot, but this is silly. I have a ton of processes running, I don't want to have to reload everything. This is a waste of time. I've included a screenshot of the message. Please advise.
-Aditya
From the tech:
Hi Aditya,
(1) Thanks for contacting support.
(2) Please restart the computer, there are no other options in this case.
(3) Regards,
-Amelia
1) What could Amelia have done better in the intro of this email?
Her response is fine.
Thanks for contacting support. I see that you're concerned about rebooting your machine.
Skip the intro; it's a waste of time.
I see that you're concerned about rebooting your machine.
"Thanks for contacting support. I see that you're concerned about rebooting your machine." would be a better introductory statement by Amelia.
By starting with "Thanks for contacting support," Amelia acknowledges and appreciates the user for reaching out, which helps create a positive and customer-oriented tone.
This shows that the support team values the user's engagement and is ready to assist.
Additionally, the statement "I see that you're concerned about rebooting your machine" demonstrates empathy towards the user's situation.
It acknowledges the user's hesitation or inconvenience caused by the requirement to reboot.
This understanding helps build rapport with the user and reassures them that their concerns are being heard and addressed.
Overall, by incorporating appreciation and empathy in the introductory statement, Amelia sets a supportive and understanding tone in the email, which can contribute to a more positive customer experience.
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What key is in the upper-left corner of the keyboard??
AnswertabAnswer:
(ESC) Escape
Explanation:
The function of this keyboard key is to escape the current t view or mouse inversion you are on, or it could be used as a keyboard shortcut when used with other keys.
It is the way to convey a message,an idea,a picture,or speech that is received and understood clearly and correctly by the person for whom it is sent.
Answer:
Communication.
Explanation:
Communication can be defined as a process which typically involves the transfer of information from one person (sender) to another (recipient), through the use of semiotics, symbols and signs that are mutually understood by both parties.
In this context, communication is the way to convey a message, an idea, a picture, or speech that is received and understood clearly and correctly by the person for whom it is sent.
Generally, the linear model of communication comprises of four (4) main components and these are;
1. Sender (S): this is typically the source of information (message) or the originator of a message that is being sent to a receiver. Thus, they are simply the producer of a message.
2. Channel (C): this is the medium used by the sender for the dissemination or transmission of the message to the recipient. For example, telephone, television, radio, newspapers, billboards etc.
3. Message (M): this is the information or data that is being sent to a recipient by a sender. It could be in the form of a video, audio, text message etc.
4. Receiver (R): this is typically the destination of information (message) or the recipient of a message that is being sent from a sender.
Using an oscillator, one most often observes a. constant price momentum throughout a price rally extending for at least one year b. significant change in price momentum throughout a typical four year cycle c. a peak in momentum in a bull market before a peak in the price trend d. an acceleration in price momentum prior to a major market bottom
When using an oscillator, one most often observes an acceleration in price momentum prior to a major market bottom (Option d).
An oscillator is a technical analysis tool used to measure the momentum and strength of price movements in financial markets. It helps identify overbought and oversold conditions and potential trend reversals. In the context of the given options, an acceleration in price momentum prior to a major market bottom is a common observation when using an oscillator.
During market bottoms, when prices reach their lowest points and start to reverse, there is often a surge in buying activity and momentum. This increased momentum is reflected in the oscillator readings, showing a rapid rise in price momentum. Traders and investors use this signal as a potential indication of a market bottom and a potential opportunity for entering long positions.
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You develop an app, and you don’t want anyone to resell it or modify it. This is an example of: A
an operating system.
B
open source software.
C
proprietary software.
Answer:
C, proprietary software
Explanation:
Proprietary software, also known as non-free software, is computer software for which the software's publisher or another person reserves some rights from licensees to use, modify, share modifications, or share the software. It sometimes includes patent rights.
que es el prototipo de representación tradicional
Answer:
abahueheheje ehehebe ehebe even 3ehe ebe
Which web design concept is most closely related to elements that symbolize the real world? A. node B. landmark c.metaphor IN D. way finding
Answer:
landmark
Explanation:
readying the workforce: evaluation of vha’s comprehensive women’s health primary care provider initiative
The evaluation of VHA's Comprehensive Women's Health Primary Care Provider Initiative focuses on preparing the workforce to provide quality primary care services for women.
The evaluation of VHA's Comprehensive Women's Health Primary Care Provider Initiative aims to assess the effectiveness and impact of this program on the healthcare workforce's readiness to deliver comprehensive primary care services for women. The initiative recognizes the unique healthcare needs of women and aims to enhance the capacity and expertise of healthcare providers in addressing those needs. The evaluation assesses various aspects of the initiative, including the training and education provided to primary care providers, the integration of women's health services into existing care models, and the overall impact on patient outcomes and satisfaction.
It may involve quantitative and qualitative analyses, such as surveys, interviews, and data analysis, to gather insights and measure the program's success. The evaluation aims to identify strengths and areas for improvement, informing future strategies and policies to further enhance women's healthcare services. By evaluating the Comprehensive Women's Health Primary Care Provider Initiative, VHA can gain valuable insights into the effectiveness of its workforce preparation efforts and make evidence-based decisions to improve women's health outcomes and experiences within the healthcare system.
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