Answer:
Half Life
Step-by-step explanation:
Cells decay by half of how much they decayed last time. This is an example of exponential decay.
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The line which represents the equation x = 5 is a vertical line that passes through any point hax x-coordinate of 5
Then the perpendicular line to this line must be a horizontal line
The equation of any horizontal line is y = b, where
b is the y-coordinate of any point that lies on the line
Since the line passes through the point (-2, 2), then
b = 2
Then the equation of the line is
y = 2
Answer:
99.7%
Step-by-step explanation:
Mean number of passengers (μ) = 180 passengers
Standard deviation (σ) = 20 passengers
The number of standard deviation from the mean for the lower and upper bounds of the 120 to 240 passengers intervals are:
Therefore, all of the data is within 3 standard deviations from the mean. According to the empirical rule, 99.7% of the data is within 3 standard deviations from the mean. Therefore, we can assert with a 99.7% probability that there will be between 120 and 240 passengers.
Answer:
x = -2 or -18.
Step-by-step explanation:
(x+7)^2 + 6x = 13
x^2 + 14x + 49 + 6x - 13 = 0
x^2 + 20x + 36 = 0
(x + 2)(x + 18) = 0
x = -2, -18.