Which of the following equations best represents the regression line for the data given in the table below?
1 answer:
You might be interested in
Answer:
d = Nc + x
Step-by-step explanation:
Given
N =
Multiply both sides by c to clear the fraction
Nc = d - x ( add x to both sides )
Nc + x = d
Answer:
5.1 days
Step-by-step explanation:
Given in the question,
initial amount of substance = 34 grams
k-value = 0.137
To find the half life of this substance we will use following formula
here N(0) is initial amount of substance
t is time in days
Plug values in the formula
1/2 = e^{-0.137t}
Take logarithm on both sides
ln(1/2) = ln( e^{-0.137t})
ln(1/2) = -0.137t
t = ln(1/2) / -0.137
t = 5.059
t ≈ 5.1 days (nearest to tenths)