The formula s=12at ^2 is used to calculate the distance s travelled by a bike when a=3 and t=10, each correct to the nearest int
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Price of book in 1938 = $ 0.10
Price of book in 2011 = $ 2,161,000
Number of years over 1938-2011 = 2011 - 1938 = 73
Annual increase in the price =
⇒ Annual increase in the price =
⇒ Annual increase in the price = (1.260302283 - 1 ) × 100
⇒ Annual increase in the price = 0.260302283 × 100
⇒ Annual increase in the price = 26.0302283 %
⇒ Annual increase in the price = 26%
Hence, the comic book price increased by 26% annually
Let 
be the temperature of the body 
hours after 1:30 PM. Then 
and 
.
Using Newton's Law of Cooling,
, we have 
. Now let 
, so
, so 
is a solution to the initial value problem 
with 
.
By separating and integrating, we have
.
≈ 95 minutes. Thus the murder took place about 95 minutes before 1:30 PM, or 11:55 AM.
Using Newton's Law of Cooling,
By separating and integrating, we have
≈ 95 minutes. Thus the murder took place about 95 minutes before 1:30 PM, or 11:55 AM.