Evaluate the expression.The expression (rule) for finding the perimeter of a hexagon (6 sides) with sides of equal length is 6s, where s is the length of one side. Evaluate the expression when the length of one side is 12 centimeters.
A. 18 cm
B. 60 cm
C. 84 cm
D. 72 cm
Answer: D
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 4t, y = t + 2
A. y = 4x + 2
B. y = 
+ 2
C. y = 
+ 2
D. y = 
- 2
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body standing still?
A. 8 < t ? 10 B. 2 < t < 3, 4 < t < 5, 7 < t < 9 C. t = 3, t = 5, t = 8 D. 1 < t < 2
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).2 cos2? + sin ? - 2 = 0
A. 0, ?, 
, 
B. 
, 
C. 
, 
D. 
, 
, 
, 
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log4.6 246
A. 3.6076 B. 53.4783 C. 2.3909 D. 0.2772
Mathematics