Answer:
B. Can't stop things from doing wrong.
Explanation:
Life is never for certain there are so many unpredictable things that can happen like at one moment you are turning onto the street and you get into a car accident you didn't plan for that to happen. Anything can happen on a day to day basis that's why something can go wrong and all your plans won't work anymore.
Answer:
sales force automation systems
Explanation:
Based on the information provided within the question it can be said that in this scenario these are known as sales force automation systems (SFA). This type of system or software is used in order to automate various business tasks, including managing contacts, order processing, sales, inventory, etc. Which is why it is mostly used by the salespeople.
Answer:
Column matching given in explanation
1. Intranet : <em>a network of computer within an organization</em>
2. Placeholder: <em>an empty area that reserves space for new content</em>
3. Presentation: <em>information delivered to an audience</em>
4: Presentation Technology: <em>a software application that helps organize and convey information</em>
5. Keynote: <em>the main speech delivered to all in attendance</em>
Explanation:
Intranet:
A small network that exist in the small organization or company to connect all the computers in organization.
Placeholder:
In computer programming, few variables has been defined in the start of program. These variables have no value initially but can be utilized at the time of need. These variable holds some space in memory that is called Placeholder.
Presentation:
A piece of information relevant to some particular topic, which will be delivered to a particular audience is called presentation.
Presentation Technology:
The tools that are used to assist presentation such as projector, slides, boards etc. are called presentation technology.
Keynote:
The main idea of speech that presenter want to deliver to the audience is called Keynote.
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)](https://tex.z-dn.net/?f=rank%28A%29%3Drank%5Cleft%20%28%20%5Cleft%20%5B%20A%7CB%20%5Cright%20%5D%20%5Cright%20%29%5C%3Aand%5C%3An%3Drank%28A%29)
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)](https://tex.z-dn.net/?f=rank%28A%29%3Drank%5Cleft%20%28%20%5Cleft%20%5B%20A%7CB%20%5Cright%20%5D%20%5Cright%20%29%5C%3Aand%5C%3An%3Drank%28A%29)

Then the system is consistent and has a unique solution.
<em>E.g.</em>

2) Writing it as Linear system


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


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.