Decide if the number is rational or irrational.
A. Rational
B. Irrational
Answer: A
Mathematics
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
What is the body's velocity when t = 6 sec?
A. -2 m/sec B. 1 m/sec C. 2 m/sec D. 3 m/sec
Mathematics
Find the LCD for the given fractions.
, 
, and 
A. 30 B. 12 C. 60 D. 20
Mathematics
Write the number in trigonometric form. Let 0 ? ? < 2?.5
A. 5(cos 
+ i sin 
)
B. 5(cos 
+ i sin 
)
C. 5(cos 0 + i sin 0)
D. 5(cos ? + i sin ?)
Mathematics
Evaluate the expression x - y for the given values of the variables.x = 20, y = -9
A. -11 B. 11 C. -29 D. 29
Mathematics