?Determine the location of the horizontal axis 
for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for 
is where ![]()
src="https://sciemce.com/media/2/ppg__cognero__Section_14.4__media__42a9392e-ed12-402d-942b-326b32c98e5c.PNG" style="vertical-align:middle;" /> is the 
coordinate of the centroid of the gate, 
is the moment of inertia of the gate about the line 
, h is the depth of the centroid below the surface, and A is the area of the gate.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Provide an appropriate response.Determine whether or not the point (1, ?) lies on the curve 
Explain.
What will be an ideal response?
Translate the sentence to an equation.The product of -3 and a number is 
.
A. 
= 
B. -3 + x = 
C. -3x = 
D. 
= 
Perform the addition or subtraction and write the result in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?