the Answer might be ................800cm
Answer:
A total of 360 residents left Planet X in the past 3 years.
Step-by-step explanation:
120 are the residents per year and the 3 represents the years so when you multiply them it would make how many residents that left Planet X in 3 years.
/ 357 + 71= 427 you’ve got to add it to get the sum of the numbers together
Answer:
Top row: [1 0 0 | 650}
Middle row: [0 1 0 | -400]
Bottom row: [0 0 1 | -1100]
Step-by-step explanation:
When you put an augmented matrix in RREF for, you have to have only 1's diagonal and 0's everywhere else on the left side of the bar.
You would do 20 • 3=60 and the you would add 20 • 1/5=4 so, your total is 64in.
