Mathematics, 12.08.2020 20:01 luna1742
The city council of pine bluffs is considering increasing the number of police in en effort to reduce crime. Before making a final decision, the council asked the chief of police to surveye other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information.
City No. of No. of City No. of No. of
Police Crimes Police Crimes
Oxford 18 10 Holgate 19 4
Starksville 19 8 Carey 15 14Danville 24 4 Whistler 13 18Athens 26 5 Woodville 21 6
A. Determine the regression equation.
B. Estimate the number of crimes for a city with 25 police officers.
Answers: 3
Mathematics, 21.06.2019 19:10
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
Answers: 2
Mathematics, 22.06.2019 02:00
If p(x) is the total value of the production when there are x workers in a plant, then the average productivity of the workforce at the plant is a(x) = p(x) x . (a) find a'(x). a'(x) = xp'(x) − p(x) x a'(x) = xp'(x) − p(x) x2 a'(x) = p'(x) − p(x) x a'(x) = xp'(x) − p'(x) x2 a'(x) = p'(x) − xp(x) x2 why does the company want to hire more workers if a'(x) > 0? a'(x) > 0 ⇒ a(x) is ; that is, the average productivity as the size of the workforce increases. (b) if p'(x) is greater than the average productivity, which of the following must be true? p'(x) − xp(x) > 0 p'(x) − xp(x) < 0 xp'(x) − p'(x) > 0 xp'(x) − p(x) < 0 xp'(x) − p(x) > 0
Answers: 2
The city council of pine bluffs is considering increasing the number of police in en effort to reduc...
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