Answer:
Differential equation
Solution
Value of constant k=0.327 days^(-1)
The rumor reaches 80% at 8.48 days.
Step-by-step explanation:
We know
y(t): proportion of people that heard the rumor
y'(t)=ky(1-y), rate of spread of the rumor
Differential equation
Solving the differential equation
Initial conditions:
Value of constant k=0.327 days^(-1)
At what time the rumor reaches 80%?
The rumor reaches 80% at 8.48 days.
Answer: .24
You get this by multiplying .75 by .32 or by dividing .32 by four and multiplying by 3
Answer:
1.45 m
Step-by-step explanation:
Convert 1.5 metre into cm
1.5 metre =150 center meters
150 cm -5=145
145 into metres is 1.45 m