Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. 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. ? 16 minutes
B. ? 23 minutes
C. ? 3 minutes
D. ? 4 minutes
Answer: C
Mathematics
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2 3/4 + 4 7/8 =
a. 7 5/8 b. 6 5/8 c. 7 1/4 d. 5 3/4 e. 2 1/2
Mathematics
Solve the problem.An airplane travels at 165 km/h for 3 hr in a direction of 174° from a local airport. At the end of this time, how far east of the airport is the plane (to the nearest kilometer)?
A. 4710 km B. 52 km C. 4736 km D. 492 km
Mathematics
Solve the linear system using an inverse matrix.x + 2y + 3z = -2x + y + z = 11x - 2z = -5
A. (42, -73, 29) B. (35, 39, 15) C. (-2, 0, 0) D. (53, -71, 29)
Mathematics
Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics