Answer:
The matrix is not invertible.
Step-by-step explanation:
We are given the following matrix in the question:
Condition for invertible matrix:
A matrix is invertible if and only if the the determinant is non-zero.
We can find the determinant of the matrix as:
Since the determinant of the given matrix is zero, the given matrix is not invertible.
Answer:
x=2
Step-by-step explanation:
In the picture.
I hope that it's a clear solution.
Answer:
the missing angle is 5m
Step-by-step explanation:
Answer:
20 fish.
Step-by-step explanation:
Convert ratio to fraction:
There were 5 / (5 + 2) = 5/7 of fish.
So number of fish = 5/7 * 28
= 20.
Answer:
how to what? I don't understand