Use Newton's Law of Cooling, T = C + (T0 - C)ekt, to solve the problemA tub of ice cream initially has a temperature of 25°F. It is left to thaw in a room that has a temperature of 70°F. After 10 minutes, the temperature of the ice cream has risen to 35°F. After how many minutes will the temperature of the ice cream be 51°F?
A. 28 min
B. 32 min
C. 38 min
D. 34 min
Answer: D
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x2i + y2j + zk; D: the solid cube cut by the coordinate planes and the planes x = 1, y = 1, and z = 1
A. 1 B. 4 C. 3 D. 2
Mathematics
Evaluate the expression using the order of operations.| -5 | - | -6 - 2 |
A. -13 B. 3 C. 13 D. -3
Mathematics
Find the probability.If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a "double".
A.
B.
C.
D.
Mathematics
Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5 B. Cannot be determined C. 3 D. 4
Mathematics