Im pretty sure you put the wrong picture. The slope isn't negative and there is no point O,A, or B.
What are the number lines
Answer:
1/2 glass milk is left.
Step-by-step explanation:
2/3 - 1/6 = 1/2
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.