Answer:
Step-by-step explanation:
A
The answer is 7/40.
To solve, you have to find the LCM (least common denominator) for 5/8 and 4/5. 5/8= 25/40 and 4/5= 32/40. Subtract and you get 7/40. That is your answer.
Answer:
Therefore
and 
Step-by-step explanation:
Remember that if
= Identity Matrix
then 
.
Also remember that for any invertible matrix
Identity Matrix.
Therefore
Therefore
and
9514 1404 393
Answer:
b, c, d, e, f
Step-by-step explanation:
x ∉ A . . . . . not true, x is in A
x ∈ B . . . true
x ∉ C . . . true (x is outside the circle labeled C)
x ∈ A ⋃ B . . . true
x ∈ A ⋃ C . . . true
x ∈ A ⋂ B . . . true (x is in the overlap)
