Answer:
2
Step-by-step explanation:

First, divide these mixed numbers into improper fractions. Multiply the whole by the denominator to get the numerator.
Example:

First,
:

Then
:

Now you can rewrite the expression:

To divide fractions, you can instead invert the divisor and multiply instead:

Answer:
y = -1
x = -1
Step-by-step explanation:
Answer: The answer is (C).
Step-by-step explanation: The given statement is - "Two matrices are row equivalent if they have the same number of rows". We are to explain whether the statement is true or false.
What are row equivalent matrices? The answer to this question is -
Two matrices are said to be row equivalent if one of the matrices can be obtained from the other by applying a number of elementary row operations. Or, we can say two matrices of same order are row equivalent if they have same row space.
Thus, the correct option is (C).
Answer:
20
Step-by-step explanation:
Answer:
hope that helps!!
Step-by-step explanation:
the first one is A
the second one is (2,-1)