A thermometer inside a house reads 30° C . The same thermometer was taken outside the house, where the surrounding was at 10" C .After 3 minutes , the thermometer reading is 200 C. Find the reading on the thermometer ( in degrees Celcius ) after 10 minutes. O 25° C O 20.5° C O 12° C O 18° C

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 90E
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A thermometer inside a house reads
30° C . The same thermometer was
taken outside the house, where the
surrounding was at 10" C .After 3
minutes , the thermometer reading
is 20° C. Find the reading on the
thermometer ( in degrees Celcius )
after 10 minutes .
25° C
20.5° C
O 12° C
O 18° C
Transcribed Image Text:A thermometer inside a house reads 30° C . The same thermometer was taken outside the house, where the surrounding was at 10" C .After 3 minutes , the thermometer reading is 20° C. Find the reading on the thermometer ( in degrees Celcius ) after 10 minutes . 25° C 20.5° C O 12° C O 18° C
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