<span>A
and B must be invertible, we have UA=B, since A is invertible. A^-1 exists, by multiplying with A^-1,
we have UA A^-1 =B A^-1. But AA^-1 = I (identity matrix)
and XI=X, for all matrix X, we find UI= B A^-1, and U= B A^-1.</span>
Answer:
first one
Step-by-step explanation:
Refer to attachment for your answer
----------------------------------------------------------
Allowance
----------------------------------------------------------
$25
----------------------------------------------------------
Video Game
----------------------------------------------------------
6% 0f 25
= 0.06 x 25
= $1.50
----------------------------------------------------------
Answer: $1.50 were spent on video game
----------------------------------------------------------
Answer:
g=1.5
Step-by-step explanation:
-0.4+0.9=0.5
0.5*3 1.5
