Answer:
2. 12
Step-by-step explanation:
Each team needs two people for a 3-legged race.
Therefore, the number of orders (combinations) of 2 people at a time from 8 is
₈C₂ = 8!/(2!6!)
= (8*7*6!)/(2*6!)
= (8*7)/2
= 56/2
= 28
Answer: 28
Answer:
11.2
Step-by-step explanation:
If the rectangulars are similar then we can use similarity ratio to calculate value of x
CD is similar to RS and AB is similar to QP
4/6.4 = 7/x cross multiply expressions
4x = 44.8 divide both sides by 4
x = 11.2
Answer:
X is the horizontal axis (up and down)
Y is the vertical axis (right to left)
question one is C)
question two is D)
question three is D)
question four is B)
question five is B)
question six is B)
question seven is B)
question eaghit is C)
hope ths helps pleas leave comments to let me know if I got anything wrong.
