Answer:
what do you need help with
Step-by-step explanation:
2)) answer is 73
4)) answer is 5(x + 2)
Y = t*e^(-t/2)
y' = t' [e^(-t/2)] + t [e^(-t/2)]' = e^(-t/2) + t[e^(-t/2)][-1/2]=
y' = [e^(-t/2)] [1 - t/2] = (1/2)[e^(-t/2)] [2 - t] = - (1/2) [e^-t/2)] [t -2]
Answer:
11.25 cm
Step-by-step explanation:
Actual ship: 45m → 4500 cm
Model ship: 4500/400 = 11.25 cm
2/21 is the answer
Hope this helps
