Answer:
5 and 2/5 liters or 5.4 liters
Step-by-step explanation:
9/10 times 6
9 times 6 is 54. 54 divided by 10 is 5.4 which is the same as 5 and 2/5
Given:
The matrix is
.
To find:
The determinant of given matrix, i.e,
.
Solution:
If a matrix is A of order
, then the value of the determinant of that matrix is equal to the element of that matrix.
For example: Let A be the matrix of order
.
![A=[a]](https://tex.z-dn.net/?f=A%3D%5Ba%5D)
Then,

The given matrix is
. So, the determinant of given matrix, i.e,
, is

Therefore, the value of determinant of given matrix is -8.
It would take about an hour and 20 minutes to make 30 dozen cookies.
6 x 89 is 534
6 x (90 - 1) is 534. BUT you have to subtract 90 from 1 and that's 89. So then you multiply 6 by 89.
6 x 90 is 540 and 6 x 1 is 6. you take 540 subtract 6 and that's 534.
540 - 6 is 534.