Step-by-step explanation:
for any matrix multiplication number of columns of first matrix should be equal to number of rows of second matrix.
For AB
A has 3 columns and B has 3 rows so it matches . Hence can be multiplied.
For BA
B has 2 columns and A has 2 rows it also matches so can be multiplied
Subsitutue in so basically just multiply all the numbers together instead of using that formula use P.R.T. percent, rate, and time to get interest
Answer:
x>7
Step-by-step explanation:
-9x + 4 + 12 + 18x >79
9x+16>79
9x>79 - 16
9x > 63
x>7
An airplane flew 2,304 miles in 6 hours. How many miles did it fly per hour?
2304/6
B. 384 miles
Answer:
2,-4
-2,-3
_____
1
Step-by-step explanation:
That is how write the equation because you have to line them up by the higher x or y value