Going by the formula, Half-Life = ln(.5) / k
Half-Life = .693147 / .1205
Half-Life = 5.75 days and rounded to nearest tenth,
Half-Life = 5.8 days
Answer:
17 1/2 i think
Step-by-step explanation:
Solution is not extraneous, x=1 is correct answer
Step-by-step explanation:
We need to solve the equation
and find value of x.
Solving:

So. Value of x = 1
Now checking if solution is extraneous or not
Solution is extraneous if value of x doesn't satisfy the given equation.
Checking: putting x=1 in the equation 

Since x=1, verifies the given equation so, x=1 is not extraneous solution
Solution is not extraneous, x=1 is correct answer
Keywords: Solving equations and finding extraneous roots
Learn more about Solving equations and finding extraneous roots at:
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Answer:
first it is not a maths question
second the ans to the question
Step-by-step explanation:
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Answer:
200 miles I think
Step-by-step explanation:
80÷2=40
meaning 40 miles per hour, so 40×5=200