Mathematics, 05.03.2021 04:00 adrianayepez8
Question 8 (6 points) The table shows the temperature of a cup of coffee after it is poured into a cup and cools over a period of 10 minutes. Its temperature at the beginning is about 95°C. Rachel wants to drink the coffee when it is about 35°C, or about 15°C above room temperature (20-0). Time (min) Temperature (°C) 81.5 X UNO 55.6 NO 50.4 a. Explain why the temperature might follow an exponential decay curve as it approaches room temperature. b. Find an exponential model for the data. Use your model to determine when Rachel should drink her coffee.
Answers: 3
Mathematics, 21.06.2019 17:00, kianarice55otaivh
During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?
Answers: 1
Mathematics, 21.06.2019 18:00, drew3vans34
14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6
Answers: 1
Mathematics, 21.06.2019 19:00, alkaline27
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
Question 8 (6 points) The table shows the temperature of a cup of coffee after it is poured into a c...
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