Find the least common multiple (LCM) of the pair of numbers.11 and 9
A. 9
B. 11
C. 99
D. 20
Answer: C
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 3csc2 x, 
? x ? 
A. 
= 
, 
= 3
B. 
= 
, 
= 2
C. 
= 
, 
= 4
D. 
= 
, 
= 
Mathematics
Integrate the function.
A. 
tan3 x + C
B. - 
tan3 x + C
C. 8(sec x + tan x)5+ C
D. 8 tan x + 
tan3 x + C
Mathematics
Multiply.5,000 × 1,000
A. 5,000 B. 5,000,000 C. 5,000,000,000 D. 1,000,000
Mathematics
Match the graph to its equation.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. - 
+ 
= 1
Mathematics