Take the augmented matrix,
Swap the row 1 and row 2:
Add -2(row 1) to row 2, and -1(row 1) to row 3:
Add -1(row 2) to row 3:
Multiply through row 3 by 1/9:
Add 5(row 3) to row 2:
Multiply through row 2 by -1/3:
Add -2(row 2) and -1(row 3) to row 1:
So we have .
You'll have to show work guaranteed.......so i'll tell you that you need to inverse
Answer:
c
Step-by-step explanation:
You add the whole numbers together first and then you do the numerators then the denominators. Like for example, #2 would be 2 and then 4 on the top and 6 on the bottom since they share a common denominator! Hoped this helps.
Answer:
I think the midpoint is 5.
Step-by-step explanation: