Answer:
The inverse matrix is used to solve the system of linear equations. It also tells us the consistent or inconsistent behaviour of the solution of equations.
Step-by-step explanation:
In real life,
- Whereas in programming which is taught at the university, matrices and inverse matrices are used for coding and encrypting messages.
- Matrices are also used in representing the real world data's like the population of people, infant mortality rate, etc.
- They are best representation methods for plotting surveys.
First time 23 words
after week 26 words
after two weeks 29 words
so after 1 week Alfred is faster on 3 words
so after 4 weeks he could type 35 words per minute
Answer:
the answer to this problem 19
If we look at his calculations
2((9)(20) is the front an back rectangle
2((9)(34)) is the side rectangles
(34)(20) is the bottom
2(1/2(20(24)) is te front and top triangles
and the last one assumes that they are triangles which is incorrect
answer is D
