Answer:
4
Step-by-step explanation:
It's AoPS question
Answer:
Step-by-step explanation:
We know for a function:
y = Asinωt
=> on comparison, <u>A = 5 m</u>
=> T = 2π / ω
=> T = 2π / 2
=> <u>T = π seconds</u>
0 = Surface level
Beneath means subtraction.
0 - 96 = -96
Climbs means addition.
-96 + 49 = -47
The scuba diver is -47 feet beneath the surface of the lake.
Answer:
It's B.
Step-by-step explanation: