HELPPP FIRST ANSWER THAT IS ACCURATE WITH EXPLANATION GETS BRAINLIST 5 STARS AND THANKS ( DONT PLAGIARIZE )
2 answers:
Answer:
20 x 19 = 380 hands touched
380/2 = 190 handshakes
Step-by-step explanation:
Answer: 190 handshakes
Step-by-step explanation:
The first will shake 19 hands, the second 18 hands and so on......the 19 th will shake one hand
so 19+18+17+.....+1=19*20/2=19*10=190 handshakes
It is ok now?
You might be interested in
All you need to do it combine like terms.
3x + 9 + 4x + x
(3x + 4x + x) + 9
8x + 9
i hope this was helpful for you!
Answer:
D
Step-by-step explanation:
1 - 1/4 + 2/5 = 23/20
20/20 - 5/20 = 15/20
15/20 + 8/20 = 23/20
hope this helps! :)
Answer:
C.
Step-by-step explanation:
Answer:
B) Unlikely
Step-by-step explanation:
It is Unlikely that this will happen.
The answer TO your question is the sequence B
