Solve the problem.Newton's Law of Cooling states that the rate of change of temperature of an object is proportional to the difference in temperature between the object and the surrounding medium. Thus, if T is the temperature of the object after t hours and T0 is the (constant) temperature of the surrounding medium, then
where k is a constant. A cup of coffee with a temperature of 101°F is placed in a freezer with a temperature of 0°F. After 5 minutes, the temperature of the coffee is 66°F. When will its temperature be 18°F? Round your answer to the nearest minute.
A. 21 minutes after being placed in the freezer
B. 14 minutes after being placed in the freezer
C. 20 minutes after being placed in the freezer
D. 24 minutes after being placed in the freezer
Answer: C
Mathematics
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Draw the angle in standard position and state the quadrant in which it lies.-150°
A. quadrant I
B. quadrant IV
C. quadrant II
D. quadrant III
Mathematics
Find the quotient and the remainder.x4 + 8x2 + 9 divided by x2 + 1
A. x2 + 7x + 
; remainder 0
B. x2 + 7x + 1; remainder 2
C. x2 + 7; remainder 0
D. x2 + 7; remainder 2
Mathematics
Convert as indicated. If necessary, round to two decimal places.4.5 liters to gallons
A. 17.06 gal B. 1.17 gal C. 4.28 gal D. 4.77 gal
Mathematics
Use the graph to determine whether each statement is true or false.
A. True B. False
Mathematics