Answer:
20
Step-by-step explanation:
nPr = n!/(n-r)!
5P2 = 5!/(5-2)!
= 5!/3!
= 5×4×3!/3!
= 5×4
= 20
The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes
In order to determine the number of handshakes that will occur among 18 people, that is, the number of ways we can choose 2 persons from 18 people.
∴ The number of handshakes = 






∴ The number of handshakes = 153 handshakes
Hence. 153 handshakes will occur in a group of eighteen people if each person shakes hands once with each other person in the group.
Learn more here: brainly.com/question/1991469
The answer is 7 ok hduehdhd
Answer:
x,y ⇒x+10, y+10
Step-by-step explanation:
from looking at the graphs we can see there is only horizontal and vertical translations
take any point, for example the point C and it's transformed counterpart C'
and determine the change in x and y position
the point is translated 10 right and 10 up
so from x,y ⇒x+10, y+10
Answer: I get c, but double check on your end
Step-by-step explanation: