Answer:
When you move down you subtract and when you move to the right you subtract when your moving up or to the left you add. hope that helped :-)
Step-by-step explanation:
If y = cos(kt), then its first two derivatives are
y' = -k sin(kt)
y'' = -k² cos(kt)
Substituting y and y'' into 49y'' = -16y gives
-49k² cos(kt) = -15 cos(kt)
⇒ 49k² = 15
⇒ k² = 15/49
⇒ k = ±√15/7
Note that both values of k give the same solution y = cos(√15/7 t) since cosine is even.
Answer:
cant rlly read the question
Step-by-step explanation:
You are able to make 3 gift packages, and have only one candle left out.
