Answer:
87.9°
Step-by-step explanation:
arctan(50/40)=87.9°
Answer:
1a. 250
1b. 140
2a. 2530
2b. 250
Step-by-step explanation:
The expression that is equal is 72 or 4935
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
