Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15
Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 11P
Related questions
Question
![Q3. [5 marks] A potato at room temperature (20°) is put into an
oven maintained at 100°.
After 20 minutes it is removed from the oven and put into a refrig-
erator maintained at 5°. After another 20 minutes it is back at
room temperature. What was its temperature when it was re-
moved from the oven?
Hot Environment E = 100
Time t
Temperature T
D= E-T
0
20
80
20
T
100-T
Cold Environment E =
5
Time t
Temperature T
D=T-E
20
T
T-5
40
20
15](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43685a05-72bf-4819-84f1-719cb68e9c1a%2Fe4090fee-1776-4cd4-820a-9774b594eb13%2Fsepirl6_processed.png&w=3840&q=75)
Transcribed Image Text:Q3. [5 marks] A potato at room temperature (20°) is put into an
oven maintained at 100°.
After 20 minutes it is removed from the oven and put into a refrig-
erator maintained at 5°. After another 20 minutes it is back at
room temperature. What was its temperature when it was re-
moved from the oven?
Hot Environment E = 100
Time t
Temperature T
D= E-T
0
20
80
20
T
100-T
Cold Environment E =
5
Time t
Temperature T
D=T-E
20
T
T-5
40
20
15
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