<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>
Step-by-step explanation:
Richard and teo age is 51 years old
Answer:
$9 in interest for a total of $159
Step-by-step explanation:
Answer:
2115 = 9:15 PM
0830 = 8:30 AM
Step-by-step explanation:
12 - hour conversion.