Answer:
We have the equation A*C = A
Now, as both sides of the equality are the same thing, we can do the same operation to both sides and the equality will remain true.
We can divide both sides by A and get:
(A*C)/A = A/A
C = 1
So here we finded the value of A.
If A and C are matrices, then C is the identity matrix.
Answer:
D
Step-by-step explanation:
5 - Sqrt 11 + 5 = 1
5 - Sqrt 16 = 1
5 - 4 = 1
Do percent over 100 and then cross multiply and you should receive your answer.
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Answer: D and E
the answers is between 1 and 2 so A is out
the dot is a little more than halfway so B and C are out
D and E are left :)
