The inverse of matrix A = ![\left[\begin{array}{cc}2&2&1&3\\\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%262%261%263%5C%5C%5Cend%7Barray%7D%5Cright%5D)
is 
The given matrix is A =
The inverse of a matrix is given by
...(1)
Now, determinant of matrix A is
|A| = 
= (3)(2) - (2)(1)
= 6 - 2
= 4
Now, adjoint A will be
= 3
= -1
= -2
= 2
AdjA =
Now, substituting the values of |A| and AdjA in equation (1), we get
Therefore,
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The amount to pay for 6 CDS from Best Buys is...
<span>C = 15.49N </span>
<span>= 15.49 X 6 </span>
<span>= $92.94 </span>
<span>The amount to pay for 6 CDS from Online Store is... </span>
<span>C = 13.99N + 6 </span>
<span>= 13.99 X 6 + 6 </span>
<span>= $89.94
so ity shows that online you have benifit to purchase </span>
The answer is 8
Explanation- 9x4= 36 and 288 divided by 36 equal 8
Answer:
4
1
5
Step-by-step explanation:
make me brainless ty
Answer:
x = 72
Step-by-step explanation:
Start by multiplying 16 to both sides
16s on the left-hand cancel
we can simplify that expression
