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
Step-by-step explanation:
=f³+11×g-4×h
=3³+11×2-4×7
=27+22-28
=21
is yr answer.
Answer:
11.0905365064
11.1 (rounded)
Step-by-step explanation:

A+2.4=7.8
a=-5.4
5.4+2.4=7.8
Answer:
15 C
Step-by-step explanation:
C = 5/9( F - 32)
Let F = 59
C = 5/9( 59 -32)
Parentheses first
= 5/9( 27)
= 15