Answer: La respuesta es 28 y 29. Tengo que explicar?
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.
He sold 18 tickets class play tickets. Hope this helps :)
Answer:
it is
D=14
R=7
Step-by-step explanation:
sorry if it is incorrect