The graph shown below shows the cooling for a container of paraffin oil which hasbeen heated to a temperature of 250°C then allowed to cool in air whose temperaturewas 18°C.T250NOT TOSCALE1001850It is known that the temperature T of the oil is changing is given byT = M + Aekt , where M is the temperature of the surrounding air and t is the timeelapsed after cooling begins, in minutes.(i)Find the values of M and A.(ii)Find the value of k, correct to three significant figures.

Answered: Image /qna-images/answer/a2a302f6-35df-42a3-95af-9030dd113aa4.jpg

Answered: The graph shown below shows the cooling…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Similar questions

The deck of a bridge is suspended 285 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by y = 285 − 16t2. (a) Find the average velocity (in ft/s) of the pebble for the time period beginning when t = 2 and lasting the following amount of time. (i) 0.1 seconds (ii)0.05 seconds (iii)0.01 seconds (b) Estimate the instantaneous velocity (in ft/s) of the pebble after 2 seconds.
2. An investment of $100 is placed into an account that earns interest, compounded annually, at a rate of 5% for 7 years. The amount, A, in the account can be modelled by the function A = 100(1.05)', where t is the time, in years. What is the domain of this function? a. (t e R, 2 7} b. (t e R, 0 SIS7) c. (te R, t > 7} d. (t e R,0
2. On a certain day, the depth off a pier at high tide was 6m. After 6h, the depth of the water was 3m. Assume a 12h cycle a. Find the equation of the depth of water, with respect to its average depth, in terms of the time, t hours since high tide. b. Find the depth of water at t=8h
The wind-chill index is modeled by the function W = 13.12 + 0.62157- 11.37v0.16 + 0.39657v0.16 where T is the temperature (°C) and v is the wind speed (in km/h). When T = -14°C and v= 35 km/h, by how much (in °C) would you expect the apparent temperature W to drop if the actual temperature decreases by 1°C? (Round your answers to two decimal places.) °C drop What if the wind speed increases by 1 km/h while the actual temperature stays constant at T = -14°C? °C drop
Solve plz

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