Use Newton's Law of Cooling to solve the problem.A loaf of bread is removed from an oven at 
and cooled in a room whose temperature is 
. If the bread cools to 
in 20 minutes, how much longer will it take the bread to cool to 
A. 27 min
B. 19 min
C. 8 min
D. 7 min
Answer: D
Mathematics
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Add.1.564a + 6.4a
A. 7.965a B. 8.074a C. 7.954a D. 7.964a
Mathematics
Find the exact value of the expression, if possible. Do not use a calculator.tan (tan-1 (-5.8))
A. -2.7 B. 8.9 C. -5.8 D. 5.8
Mathematics
Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
f(x) < 0
A. (-5, ?) B. (-4, ?) C. (-?, -5) D. (-?, -4)
Mathematics
Write 
in the form 
when k = -5.
A. 
B. 
C. 
D. 
E. 
Mathematics