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A. 16.39 minutes B. 2.18 minutes c. 1.02 minutes D. 137.39 minutes **my answer: B. 2.18 minutes is that right? :)
T(t) = 200º and solve for 't'. This is not more difficult than the last one.
i know... but is my answer right??? B. 2.18 minutes?? is that correct??
How did you get that answer? You have yet to show any work. How do I know you didn't just copy the answer out of hte back of the book? It is very, very difficult to help you if you show nothing. Please be more open. There are many who can help, but not if you prevent them from doing so.
well i got to this... ln(132/144) = - 0.04t and i divided by -0.04 and i got this: 2.175284425, which rounds up to about 2.18 minutes... right?
and its not from a book... they are study questions and yeah sorry I'm just really tired..
Excellent. This would be a much shorter and more useful conversation if you would say that up front. Next thing to work on...Confidence. What did you do incorrectly on purpose? Did you make any errors? Do you have ANY question about the accuracy of your procedure? If you did it right, you did it right. Don't ASK if your answer is correct. TELL us that it is correct and tell us why.