Which value is a solution to the inequality x – 4 > 15.5?
1 answer:
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Answer:
x(t) = 2000 - e^(-k*t)
Step-by-step explanation:
Interpretation:
No . infected student = x
Total student = 2000
rate of infected students = dx / dt
not-infected student = 200 - x
The general rate at which student are infected can be expressed as below:
dx / dt = k * ( 2000 - x )
To develop an expression of x(t) we integrate the above expression by separating variables:
dx / (2000 - x ) = k * dt
Now integrate:
@ t = 0 , infected students x = 0
Hence,
C = - ln (2000)
Answer:
Step-by-step explanation:
- A line parallel to another will have the same gradient
- So the equation will be
- We need to find out what c is, so substitute in the values for x and y
- So your equation is
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