Solve the equation.
= 9 - 
A. 
B. 3
C. 
D. 2
Answer: B
Mathematics
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Solve the problem by integration.An architect designs a wall panel that can be described by the first-quadrant area bounded by 
and 
If the area of the panel is 
find the 
(in m) of the centroid of the panel.
A. 0.0358 m B. 1.43 m C. 0.717 m D. 10.5 m
Mathematics
Evaluate the expression for the given replacement values.z ÷ 0.25 for z = 0.55
A. 22 B. 0.455 C. 4.545 D. 2.2
Mathematics
s is the distance (in ft) traveled in time t (in s) by a particle. Find the velocity and acceleration at the given time.s = 
, t = 3
A. v = - 
ft/s, a = 1.5 ft/s2
B. v = -1.5 ft/s, a = 
ft/s2
C. v = 1.5 ft/s, a = - 
ft/s2
D. v = 
ft/s, a = -1.5 ft/s2
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics