Answer:
Step-by-step explanation:
Given
Required
Determine the expression for s
The speed is calculated as:
Substitute S for speed
Let the number of books be b and the time be m.
The expression becomes
Hence, the expression for the scenario is:
Explanation
The model has the form
Where a=initial amount
y= final amount
K= growth rate constant
t= time
When 140 kg of substance is left after 7 hours, the formula can be remodeled to be.
Therefore, the first solution is
For part b we have 16 hours.
Thus, the answer is 36kg
It should be A-one solution
Answer:
i agree with he or she they are correct as well
Step-by-step explanation:
Answer:
A, C, D
Step-by-step explanation:
Solve all equations:
A.
This is incorrect equality, so the equation has no solutions.
B.
This is correct equality, so the equation has infinitely many solutions.
C.
This is incorrect equality, so the equation has no solutions.
D.
This is incorrect equality, so the equation has no solutions.