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Built on real-time geodata and information provided from wireless mobile devices, ______ are widely used in m-commerce. Multiple Choice e-commerce global positioning system (GPS) multimedia messages services (MMS) location-based services (LBS)

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Q: 1 - 5 marks. Find the derivative of the following 1. $\frac{d}{dx}(\tan^{-1}(\cosh(x^2)))$

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ANOVA allows us to determine whether the variance between samples is larger than the variance within samples

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Two inclined planes A and B have the same height but different angles of inclination with the horizontal. Inclided plane A has a steeper angle of inclination than inclined plane B. An object is released at rest from the top of each of the inclined planes. How does the speed of the object at the bottom of inclined plane A compare with that of the speed at the bottom of inclined plane B?

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Describe your reaction to PTSD using specific diagnosis considering Dr VanderKolk.

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Let $\theta$ (in radians) be an acute angle in a right triangle and let $x$ and $y$, respectively, be the lengths of the sides adjacent to and opposite $\theta$. Suppose also that $x$ and $y$ vary with time. At a certain instant $x = 9$ units and is increasing at $8$ unit/s, while $y = 6$ and is decreasing at $\frac{1}{5}$ units/s. How fast is $\theta$ changing at that instant?

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Thank you for your help with the last question. I have another question: What is the probability that between 33 and 28 rooms are occupied (inclusive)? My answers need to be for Excel. Thanks, Mario

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CO? emissions 2 PgC yr?¹) 5.1 The carbon sources and sinks figure below shows an increasing land sink (green area) since the early 1900s. What must this increase in the land sink mean about the trend in global Net Ecosystem Exchange (NEE) since the early 1900s? 5 10 fossil fuel and cement from energy statistics land use change from data and models residual land sink measured atmospheric growth rate ocean sink from data and models emissions

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By following the suggested steps, find a particular solution, y_(p) by variation of parameters t^2y''-2y=9t^2+6 t^2r(r-1)t^(r-2))-2t^r=0 r^2-r-2=0 Therefore, y_(c)=C1t^(r1)+C2t^(r2) where r1<=r2. Let y1=t^(r1) and y2=t^(r2). Step 2: To apply the variation of parameters, find the standard form. y''+p(t)y'+q(t)y=g(t) Step 3: Apply the variation of parameters to find y_(p)=u1y1+u2y2 [[y1,y2,y2'], [y1',u1'], [u2']]=[[0], [y1,y2,-y2], [-y1',0,y1]] g(t) u1=int (-y2g(t))/(W(y1,y2))dt u2=int (y1g(t))/(W(y1,y2))dt Step 4: Calculate y_(p)(0.8) Include at least 3 decimal places in each step in your calculation. Use π=3.14159 and e=2.71828. Type your answer...

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Solve for voltage V

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jeffrey b.