Answer:
A square matrix whose transpose is equal to its negative is called a
SKEW-SYMMETRIC matrix.
Step-by-step explanation:
Answer:
Altogether they need 12 tables.
Step-by-step explanation:
Given:
pilgrims brought 40 friends to dinner
Native American brought 80 friends to dinner
Total Number of friends = friends of pilgrims + Native American friends = 
10 friends could sit at each table.
Number of Table required = 
Answer:
11.5+5.5+13
Step-by-step explanation:
Why are you still asking these? Just add up the exponents!