Find the indicated term for the arithmetic sequence.a15 = -72, a20 = -102; a1
A. 12
B. 0
C. 6
D. -6
Answer: A
Mathematics
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Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the semicircle y = 
if the density of the rod is 
.
A. 
= 
, 
= 
B. 
= 0, 
= 
C. 
= 
, 
= 
D. 
= 0, 
= 
Mathematics
Solve.A mechanic earns $42 per hour. What is his pay if he works 38 hours in one week?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Find the slope of the line passing through the points (3, 9) and (2, -5).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find f'(x) for the function, then find f'(x) for the given x.g(x) = 
, g'(1)
A. g'(x) = - 
; g'(1) = - 
B. g'(x) = 5x - 15; g'(1) = -10
C. g'(x) = 
; g'(1) = 
D. g'(x) = 5x + 15; g'(1) = 20
Mathematics