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2 years ago

Which of the following is a social news-sharing service?

Computers and Technology

2 answers:

Vsevolod [243]2 years ago

7 0

Answer:

Explanation:

Just google reddit and click the website and you can basically find everything there.

Umnica [9.8K]2 years ago

6 0

Answer: Reddit is a social news- sharing service.

Explanation:

Tumblr is a micro blogging and social networking site for sharing text, images, links, audio, videos, etc.

Jux is a platform that can be used to create blogs, create a photography portfolio, and share your thoughts and ideas with other people.

I was not able to find any information on Placasa.

Reddit is a social news-sharing aggregation, web content rating, and a discussion website that is used to share and discuss news. Content such as links, text posts, and images can be submitted that can be voted good or bad or thumbs up or thumbs down by registered users.

Hope this helps! :)

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2 years ago

You already know how to use lists. What is the index of 5 in the following list?

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The answer is 1, the 3rd circle

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2 years ago

What would you have to know about the pivot columns in an augmented matrix in order to know that the linear system is consistent

Scrat [10]

Answer:

The Rouché-Capelli Theorem. This theorem establishes a connection between how a linear system behaves and the ranks of its coefficient matrix (A) and its counterpart the augmented matrix.

$rank(A)=rank\left ( \left [ A|B \right ] \right )\:and\:n=rank(A)$

Then satisfying this theorem the system is consistent and has one single solution.

Explanation:

1) To answer that, you should have to know The Rouché-Capelli Theorem. This theorem establishes a connection between how a linear system behaves and the ranks of its coefficient matrix (A) and its counterpart the augmented matrix.

$rank(A)=rank\left ( \left [ A|B \right ] \right )\:and\:n=rank(A)$

$rank(A)$

Then the system is consistent and has a unique solution.

$\left\{\begin{matrix}x-3y-2z=6 \\ 2x-4y-3z=8 \\ -3x+6y+8z=-5 \end{matrix}\right.$

2) Writing it as Linear system

$A=\begin{pmatrix}1 & -3 &-2 \\ 2& -4 &-3 \\ -3 &6 &8 \end{pmatrix}$ $B=\begin{pmatrix}6\\ 8\\ 5\end{pmatrix}$

$rank(A) =\left(\begin{matrix}7 & 0 & 0 \\0 & 7 & 0 \\0 & 0 & 7\end{matrix}\right)=3$

3) The Rank (A) is 3 found through Gauss elimination

$(A|B)=\begin{pmatrix}1 & -3 &-2 &6 \\ 2& -4 &-3 &8 \\ -3&6 &8 &-5 \end{pmatrix}$

$rank(A|B)=\left(\begin{matrix}1 & -3 & -2 \\0 & 2 & 1 \\0 & 0 & \frac{7}{2}\end{matrix}\right)=3$

4) The rank of (A|B) is also equal to 3, found through Gauss elimination:

So this linear system is consistent and has a unique solution.

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2 years ago

Which task would a database administrator preform?

neonofarm [45]

Sr I don’t know what about it today lol but it’s just a weird thing about to be with my buddy who knows what to say lol

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1 year ago

Read 2 more answers

Changing how information is represented so that it can be read by a person is called

Usimov [2.4K]

Answer:

Decode. To change how information is represented so that it can be read by a person.

Explanation:

Decoding is the ability to apply your knowledge of letter-sound relationships, including knowledge of letter patterns, to correctly pronounce written words. Understanding these relationships gives children the ability to recognize familiar words quickly and to figure out words they haven't seen before.

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2 years ago