The answer is has to be D
Answer:
21 per min
Step-by-step explanation:
Answer:
4(19x + 17)
Step-by-step explanation:
76x + 68 both numbers are divided by 4 so we fact out 4 and introduce the brackets : 4(19x + 17 )
Answer:
use photo math
Step-by-step explanation:
The solution is option D.
0 4
- 6 1
3 -4
Rember rows times columns.
=>
a11 = 4*0 + 0*(-3) = 0
a12 = 4*1 + 0*1 = 4 + 0 = 4
a21 = -1*0 + 2*(-3) = 0 - 6 = -6
a22 = -1*1 + 2*1 = -1 + 2 = 1
a31 = -3*0 + (-1)*(-3) = 0 + 3 = 3
a32 = -3*1 + (-1)*1 = -3 - 1 = -4
