Answer:
Multiply by the unit squared
The matrices a) and c) are invertible and their inverses are [-2.5 0.5 3; 1.5 -1 -3; -0.5 0.5 1] and [0.5 1.5 5.5; 2.5 6.5 14.5; -2 -5 -11], respectively. The matrix b) is not invertible and we cannot find its inverse.
What is determinant?In order to determine whether a matrix is invertible, we need to calculate its determinant. If the determinant is not equal to 0, then the matrix is invertible and we can find its inverse. b then the matrix is not invertible and we cannot find its inverse.
The determinant of the matrix [2 1 2; 0 5 3; -1 1 0] is (2)(5)(0) + (1)(3)(-1) + (2)(0)(1) - (2)(1)(3) - (1)(5)(-1) - (2)(0)(0) = -3 + 5 = 2. Since the determinant is not equal to 0, the matrix is invertible. The inverse of the matrix can be found using the formula:
[2 1 2; 0 5 3; -1 1 0]^-1 = (1/2) * [5 -1 -6; -3 2 6; 1 -1 -2] = [-2.5 0.5 3; 1.5 -1 -3; -0.5 0.5 1]
The determinant of the matrix [3 -6; -4 8] is (3)(8) - (-6)(-4) = 24 - 24 = 0. Since the determinant is equal to 0, the matrix is not invertible and we cannot find its inverse.
The determinant of the matrix [1 3 2; -1 1 3; 2 2 -1] is (1)(1)(-1) + (3)(3)(2) + (2)(-1)(2) - (1)(3)(2) - (3)(1)(-1) - (2)(2)(3) = -1 + 18 - 4 - 6 + 3 - 12 = -2. Since the determinant is not equal to 0, the matrix is invertible. The inverse of the matrix can be found using the formula:
Therefore, the matrices a) and c) are invertible and their inverses are [-2.5 0.5 3; 1.5 -1 -3; -0.5 0.5 1] and [0.5 1.5 5.5; 2.5 6.5 14.5; -2 -5 -11], respectively. The matrix b) is not invertible and we cannot find its inverse.
To know more about inverse of a matrix refer here:
brainly.com/question/4017205
#SPJ7
Phoebe is a Counselor who is trying to schedule a meeting with one of her patients. Which best describes an inappropriate location for a meeting with a patient? a private office a hospital cafeteria a treatment center a family consult room.
Answer: a hospital cafeteria because there is no privacy and the patient may feel uncomfortable and it can be too noisy
Explanation:
B hospital cafeteria
Explanation:
I took the test
which choice is not a form of antivirus scanning that compares known virus patterns to scanned files
The choice that is not a form of antivirus scanning that compares known virus patterns to scanned files is called; Heuristic scanning
Antivirus DetectionThe correct answer is Heuristic Scanning from the options seen online. This is because Heuristic scanning is a method utilized by many computer antivirus programs to detect previously unknown computer viruses, as well as new variants.
Thus, heuristic scanning doesn't compare known virus patterns to scanned files.
Read more about antivirus detection at; https://brainly.com/question/17209742
Why don't we use a for each loop when doing a sequential (linear) search?
Answer:Linear search (aka Sequential Search) is the most fundamental and important of all algorithms. It is simple to understand and implement, yet there are more subtleties to it than most programmers realize.
The input to linear search is a sequence (e.g. an array, a collection, a string, an iterator, etc.) plus a target item. The output is true if the target item is in the sequence, and false otherwise. If the sequence has n items, then, in the worst case, all n items in the sequence must be checked against the target for equality. Under reasonable assumptions, linear search does O(n) comparisons on average. In practice, this is often too slow, and so, for example, BinarySearching or hashing or TreeSearching are speedier alternatives.
Here's an implementation of linear search on an array (in Java):
Explanation:
Which field uses computer programs to automate tasks so that they can be performed better than by humans ?
Bioinformatics
Robotics
Telecommunications
Network administration
The field uses computer programs to automate tasks so that they can be performed better than by humans is known to be Robotics.
Which field uses computer programs to automate tasks?Robotics is seem as a field of engineering that is known to be based on the design and making of robots.
Note that Robots are often used to carry out tasks that are said to be hard for humans to perform and as such, the field uses computer programs to automate tasks so that they can be performed better than by humans is known to be Robotics.
Learn more about Robotics from
https://brainly.com/question/13515748
#SPJ1
Tim would like to send a confidential, encrypted message to Kellie using asymmetric cryptography. What key should Tim use to create the message?
Tim uses the public key is used to create the message
Asymmetric cryptographyAsymmetric (public key) encryption allows the sharing of an encrypted message without a shared secret key. Public key encryption uses two keys, one public and one private. To send a message, asymmetric algorithm with the public key is used to create the message while the private key is used for the message decryption. The encryption function can only encrypt data.
Find out more on Asymmetric cryptography at: https://brainly.com/question/4357828
Which is not a method for updating your dts personal profile?.
You start the line with a
Answer:
what line
??????
Explanation:
Which of the following is not harmful to the computer?
a) Trojan
b) Rootkit
c)Malware
Answer:
rootkit
Explanation:
because Trojan and malware will both harm your computer trust me
how to write an algorithm to find area and perimeter of diamond .
Linda works from home occasionally and needs to set up her computer at work so she can remote in from her home office. Which tools should she use
Explanation:
Check the type of hard drive installed.
hope this helps you ❣️
Compare and contrast the use of magnetic tapes with removable magnetic disks to make network server backups. [4] ICT IGCSE
Answer:
Magnetic Tapes and Magnetic Disks are the types of magnetic memory. Both are called non-volatile storage and used to store data.
Magnetic tape contains thin plastic ribbon is used for storing data. It is a sequential access memory. So the data read/write speed is slower. It is mainly used for data backups.
Explanation:
be happyyou can turn the Caps lock key on, and that will give you a more _______ curser.
accurate
hope this helps
scav
An individual owns a dog grooming business and must pay self-employment tax on individual earnings.
Which type of legal structure makes self-employment tax a relevant concern?
Limited Liability companies C-Corporation
OS S-Corporation
Sole-proprietorship
The type of legal structure that makes self-employment tax a relevant concern is a sole proprietorship. It involves one single owner.
What is a sole proprietorship?The term 'sole proprietorship' refers to a type of business where there is one single owner.
In a sole proprietorship, the personal owner must pay income taxes depending on the amount of money he/she earned.
The sole proprietorship businesses are very common and this type of business increased in the last years.
Learn more about sole proprietorship here:
https://brainly.com/question/4442710
You want to determine the total amount of data stored on a server.User A has 3550 GB of data stored on the server.User B stores 4000 GB of data.User C stores 2450 GB.User D stores 1010 GB of data.User E stores 7000 GB of data on the server.Without using a calculator, use the properties of operations to determine the total amount of data stored on the server.
A. 1801 GB
B. 18,010 GB
C. 19,010 GB
D. 1901 GB
Answer:its b
Explanation:
Why won't this program work? I have no solution for this.
LANGUAGE: Python, CodeHS; 4.11.4: Snake Eyes
Explanation:
hope it helps,Godbless
Please help I have to turn this in immediately!!!
Answer:
"This cipher is pretty simple" is sadly the answer. :)
Explanation:
When using a Polybius cipher, one letter is 2 numbers.
11 = A
21 = F
31 = L
41 = Q
51 = V
and so on!
So to say the word question you would use the number sequence: 4145154344243433
to solve, add spaces
41 45 15 43 44 24 34 33
and find corresponding spots on the table/grid.
I hope this was helpful!
If you want to join all of the rows in the first table of a SELECT statement with just the matched rows in a second table, you use what kind of join
Answer:
An inner join.
Inner join combines matching rows from 2 tables at one time, so that is the reason I chose this join.
The ______ tab is a contextual tab and displays only when media content on your slide is selected
The complete statement is:
The Table Tools tab is a contextual tab and displays only when media content on your slide is selected
How to determine the tabThere are several tabs in Microsoft Office packages
Some of these tabs include
Home Page layoutReview and ViewEtcOf all the available tabs in these packages, the table tool tab is contextual.
This is so because it is not display unless the media is selected
Read more about tabs at:
https://brainly.com/question/14139335
Darla is going to start writing the HTML code for a web page. What would she start with?
Answer:
opening
Explanation:
Your answer would be opening
Which tab on the ribbon contains the function library?.
Answer:
Formulas Tab
Explanation:
You can view excel functions library and defined names.
Elena wrote the following code in Scratch to have the sprite move and then turn around. However, the code does not work as expected. What should be done to fix the error?
Change "move 20 steps" to "move 10 steps"
Change "turn left 180 degrees" to "turn left 90 degrees"
Change "turn left 90 degrees" to "turn right 180 degrees"
Change "turn right 90 degrees" to "turn left 90 degrees"
Sprites are program objects used to create animations
What should be done to fix the error is to (d) Change "turn right 90 degrees" to "turn left 90 degrees"
How to fix the errorFrom the question, we have the following highlights
The sprite is to move forwardAnd then turns aroundThe first line of the code segment moves the sprite 20 steps forward;
This step is correct, and it does not need to be changed.
For the sprite to turn, then it must rotate 360 degrees in a direction.
From the code segment, we have the following rotations
180 degrees left90 degrees left90 degrees rightWhen the angles of rotation are added, we have:
[tex]\theta = 180 + 90 - 90[/tex]
[tex]\theta = 180[/tex]
i.e. the code segment implements a 180 degrees rotation
In order to turn the sprite around, she needs to change the 90 degrees right to 90 degrees left.
So, we have:
[tex]\theta = 180 + 90 + 90[/tex]
[tex]\theta = 360[/tex]
Hence, the fix to the error is (d) Change "turn right 90 degrees" to "turn left 90 degrees"
Read more about sprites at:
https://brainly.com/question/26549550
Which of the following keyboard shortcuts should be pressed to hide the columns which are selected in a worksheet? Question 2 options: Control 7 Control 9 Control 0.
Answer:
control 0
Explanation:
did the quiz on quizzes
Answer: control 0
Explanation: I saw a chance to get 10 points and took it.
A group of students take hundreds of digital photos for a science project about weather patterns. Each photo file contains data representing the level of red, green, and blue for each pixel in the photo. The file also contains metadata that describes the date, time, and geographic location where the photo was taken. For which of the following goals would analyzing the metadata be more appropriate than analyzing the data?
a. Determining the chronological order of the photos.
b. Determining the number of clouds in a particular photo.
c. Determining whether a photo is suitable for printing in black-and-white.
d. Determining whether two photos were taken at the same location on different days.
Analyzing the metadata would be more appropriate than analyzing the data when: determining the likelihood that the photo was taken at a particular public event.
What is a data?A data can be defined as a representation of instructions or information in a formalized manner, especially as a series of binary digits (bits).
What is a metadata?A metadata can be defined as the data that provides information about one or more aspects of a given data, so as to provide a structured reference that helps to sort and identify all of its attributes such as:
AuthorDate createdDate modifiedFile typeFile sizeIn this scenario, analyzing the metadata would be more appropriate than analyzing the data when determining the likelihood that the photo was taken or created at a particular public event.
Read more on data here: brainly.com/question/25558534
How to reset apple watch after too many passcode attempts.
Answer:
"Press and hold the Digital Crown, then tap Reset. After the reset finishes and your Apple Watch restarts, you need to pair your Apple Watch with your iPhone again—open the Apple Watch app on your iPhone, then follow the instructions shown on your iPhone and Apple Watch."
Explanation:
How to reset apple watch after too many passcode attempts is mentioned below.
What is passcode ?A passcode is a string of digits or letters that is used to protect access to a computer, an account, or data. It serves the same purpose as a password but usually only has a short string of digits, making it simpler to enter on gadgets with constrained input options, like a smartphone or tablet. Typically, a passcode is used to unlock a device, grant access to a specific app or feature, or verify a user's identity when making a purchase. To increase security and prevent unauthorized access, passcodes are typically set by the user and can be changed as needed.
Here's a step-by-step process to reset an Apple Watch after too many passcode attempts:
Put your Apple Watch on its charger and make sure that it has a charge.
On your iPhone, open the Watch app.
Tap the My Watch tab, then tap your Apple Watch at the top of the screen.
Tap General, then tap Reset.
Tap Erase Apple Watch Content and Settings.
Enter your Apple ID password, then tap Turn Off.
Wait for the process to finish.
After the reset is complete, you'll need to pair your Apple Watch with your iPhone again and set it up as new.
Note: If you can't reset your Apple Watch using the above steps, you may need to use the Apple Support website or contact Apple support for assistance.
To know more about passcode check:
https://brainly.com/question/14637277
#SPJ6
what is destination email address
Answer:
Explanation:
The E-mail Destination allows you to send data from your forms in text format to various different email addresses.
Although Access does not have stored procedures, you can achieve some of the same benefits with _____.
The benefits of storing procedures can be achieved with; Indexes
What are Indexes?You can use an indexes to help Microsoft Access find and sort records faster. An index stores the location of records based on the field or fields that you choose to index.
Finally, After Microsoft Access obtains the location from the index, it can then retrieve the data by moving directly to the correct location.
Read more about Microsoft access at; https://brainly.com/question/1538272
A list block can be defined under another list is called as _ list
Answer:
Nested list is the term used to define it..
Answer:
Nested
Explanation:
Your answer is A list block can be defined under another list is called as NESTED list.
I hope it helps! Have a great day!
Lilac~
Emma opened a new document on Microsoft Word and typed her assignment. She is now planning to save the document for the first time. Which function key can she use to save the document
Answer:
ctrl+s
Explanation:
By hitting the ctrl key at the same time as the s key on the keyboard she can save the document
what is a procedure in a python?
Answer:
A procedure allows us to group together code blocks under a name of a certain condition / nest.
Lourdes is going to create a company logo. She will create it in a vector format so that she can resize it without distortion. Which software works best for her needs
Explanation:
military
hope this helps you