Hi friend,
About 3500 calories equal one pound.
Hope this helps you!
If

is invertible, then we can simply choose

because for any invertible matrix

by definition we must have

.
We have

, as

which means

is non-singular and has an inverse. The inverse itself would be
Answer:
After 200 students, it would better to hire Band A
Step-by-step explanation:
350+ 1.25x = 600
1.25x = 250
x = 200
at 200 students the cost is the same for Band A and Band B
at 201 students Band A will be cheaper then Band B
The answer in the simplest form is 7
Answer:
1,5,25,125,
all can be added or multiplied to equal 125