Answer:
19.8
Step-by-step explanation:
99/5= 19.8
Answer:
200 times
Step-by-step explanation:
400÷2=200
because the next 200 would be landing on tails
Answer:

Step-by-step explanation:
we know that
The volume of a trough is equal to

where
B is the area of equilateral triangle
L is the length of a trough
step 1
Find the area of equilateral triangle B
The area of a equilateral triangle applying the law of sines is equal to

where


substitute


step 2
Find the volume of a trough

we have


substitute


Answer:
up and down
Step-by-step explanation: