Login

Search the forums now!

Welcome, Guest. Please login or register.

April 20, 2026, 10:30:54 am
Pages: [1]   Go Down

Author Topic: Is there a mistake in 2010 TSSM exam 1 or am I wrong?  (Read 608 times)  Share 

0 Members and 1 Guest are viewing this topic.

gogymgethuge

  • Victorian
  • Trailblazer
  • *
  • Posts: 27
  • Respect: 0
Is there a mistake in 2010 TSSM exam 1 or am I wrong?
« on: October 13, 2011, 10:16:25 pm »
0
Question 3
The temperature in a room n minutes after turning on a heater is given by 1.05 . −1 = n n T T Suppose
15 . 0 T = °C The heater is turned off when the temperature first exceeds 21°C. How long will the
heater be on, to the nearest minute, before it is switched off?
A. 4
B. 5
C. 6
D. 7
E. 8

The answer is D but I got E, can anyone help?
Logged
2010: Physical Education 42
2011: English 42 | Chemistry 39 | Biology 42 | Methods 36 | Further 46
ATAR 97.15
Pages: [1]   Go Up