126, I took the practice already.
You calculate the number of ways that 2 people can be chosen from 10.
The formula:
n! / r! * (n-r)! =
10! / 2! * 8! =
10 * 9 * 8! / 2 * 8! =
10 * 9 / 2 =
45 handshakes
Source:
http://www.1728.org/combinat.htm
Answer:
Step-by-step explanation:
Total yard of fabric = 1 3/8 = 11/8yd
Fabric used for tote bag is 2/3 of 11/8
= 2/3 × 11/8
= 11/12 yards
Answer:
4--2/4--4
6/8=3/4
y=3/4 x +c
4=3/4(4)+c
4=3+c
4-3=c
1=c
y=3/4x+1
Step-by-step explanation:
