There are 20! number of ways for everyone to do this so that at the end of the move, each seat is taken by exactly one person.
People are seated in a 2 by 10 rectangle grid. All 20 persons stand up from their seats and relocate to an orthogonally neighboring one upon the blowing of a whistle.
Now, we have to find the number of possible ways in which each seat is taken up by exactly one person after the move.
As the number of people is 20 and 20 seats are to filled exactly once.
So, the number of ways = 20!
Learn more about number here:
brainly.com/question/1991469
#SPJ1
Answer:
A=34, G=31
Step-by-step explanation:
G=A-3
2G+A=99
plug in for g 2(A-3)+A=99
distribute 2 A-3+A=99
combine like terms 3A-3=99
solve for a 3A=102 A=34
plug in a solve for g G=34-3 G=31
Answer:8552.98 π,
Step-by-step explanation:
π times 16.5 squared times 10
Answer:
the monthly payment is $134.72
Step-by-step explanation:
This is if the mortgage is annual also.
add all 3 which would equal 1,616.6.
But "why?" you ask is it so expensive.
it is still annual so divide it by 12 and you have 134.72