Willie runs 5 miles in 20 minutes. If Willie runs at the same rate, how many miles can he run in 28 minutes?
2 answers:
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Answer:
Matrix multiplication is not commutative.
Step-by-step explanation:
Matrix multiplication is not commutative which means that the result of A*B is not equal to the result of B*A which suggests that the order does matter in matrix multiplication.
AB ≠ BA
Real-world Example:
We can model a set of equations that will represent the number of games won by each team.
Let x represents team Brazil and y represents team Spain.
2x + 3y = 12
6x + 8y = 34
In the matrix form
When we solve this matrix we get x = 3 and and y = 2
Which means that Brazil has won 3 games and Spain has won 2 games.
Now if you change the order of these variables then you wont get the correct results and this is exactly why matrix multiplication is not commutative because the order is important in matrix multiplication.