Answer:
the question answer is A
Step-by-step explanation:
Answer:
hifgreeg33ctvtvunu
Step-by-step explanation:
highhb tug 5h6g6g5g5g
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.