The intensities of earthquakes are measured with seismographs all over the world at different distances from the epicenter. Suppose that the intensity of a medium earthquake is originally reported as 10 5.4 times I 0 . Later this value is revised as 10 5.8 times I 0 . a. Determine the magnitude of the earthquake using the original estimate for intensity. b. Determine the magnitude using the revised estimate for intensity. c. How many times more intense was the earthquake than originally thought? Round to 1 decimal place.
The intensities of earthquakes are measured with seismographs all over the world at different distances from the epicenter. Suppose that the intensity of a medium earthquake is originally reported as 10 5.4 times I 0 . Later this value is revised as 10 5.8 times I 0 . a. Determine the magnitude of the earthquake using the original estimate for intensity. b. Determine the magnitude using the revised estimate for intensity. c. How many times more intense was the earthquake than originally thought? Round to 1 decimal place.
Solution Summary: The author calculates the magnitude of the earthquake when its revised intensity is 105.8I_0.
The intensities of earthquakes are measured with seismographs all over the world at different distances from the epicenter. Suppose that the intensity of a medium earthquake is originally reported as
10
5.4
times
I
0
.
Later this value is revised as
10
5.8
times
I
0
.
a. Determine the magnitude of the earthquake using the original estimate for intensity.
b. Determine the magnitude using the revised estimate for intensity.
c. How many times more intense was the earthquake than originally thought? Round to 1 decimal place.
How would i solve this. More info is that b =1 but it might be better to solve this before making the substitution
Let m(t) be a continuous function with a domain of all real numbers. The table below shows some of the values of m(t) .
Assume the characteristics of this function are represented in the table.
t
-3 -2 8 11
12
m(t) -7 6
3
-9
0
(a) The point (-3, -7) is on the graph of m(t). Find the corresponding point on the graph of the transformation y = -m(t) + 17.
(b) The point (8, 3) is on the graph of m(t). Find the corresponding point on the graph of the transformation y =
-m (−t) .
24
(c) Find f(12), if we know that f(t) = |m (t − 1)|
f(12) =
Suppose the number of people who register to attend the Tucson Festival of Books can be modeled by P(t) = k(1.1),
where t is the number of days since the registration window opened. Assume k is a positive constant.
Which of the following represents how long it will take in days for the number of people who register to double?
t =
In(1.1)
In(2)
In(2)
t =
In(1.1)
In(1.1)
t =
t =
t =
In(2) - In(k)
In(2)
In(k) + In(1.1)
In(2) - In(k)
In(1.1)
University Calculus: Early Transcendentals (4th Edition)
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