Answer:
A = 
Step-by-step explanation:
given,
Matrix =
A = 
determinant of matrix
|A| = a×a - (a-4)(a+4)
|A| = a² - a² +16
|A| = 16
inverse of the matrix
to calculate inverse of two matrix interchange the term a₁₁ with a₂₂ and multiply the -ve with a₁₂ and a₂₁
the inverse is
A = 
Answer:
4th
Step-by-step explanation:
make me as branalist
Answer:
the answer is 14/27
Step-by-step explanation:
Answer:
as x approaches ∞, y is positive
as x approaches -∞, y is positive
Step-by-Step Explanation:
you need to graph the equation and look at what happens
Answer:
The unknown number is 1.
Step-by-step explanation:
You have to form an expression. So let's make the unknown number as x. Firstly, a number is multiplied by 5 :


Secondly, 5 is added to product and you will get 10 :

Lastly, you have to solve :




