SL=2*3.14*2*4
SL=16*3.14
SL=15.24 in² or ³
I wasn’t sure if we were to bring ____ to the party.
2 answers:
You might be interested in
Answer:
5.5 minutes
Step-by-step explanation:
Fill in the given information and solve for t.
75 = -15cos(2πt/15) +65
-10/15 = cos(2πt/15)
t = 15/(2π)arccos(-2/3) ≈ 5.492
The volume reaches 75 dB about 5.5 minutes after the truck arrives.
