Write the algebraic expression described. Simplify if possible.A quadrilateral is a four-sided figure whose angle sum is 360°. If one angle measures x°, a second angle measures 4x°, and a third angle measures 6x°, express the measure of the fourth angle in terms of x.
A. (360 - 11x)°
B. (360 - 10x)°
C. (360 + 11x)°
D. (11x - 360)°
Answer: A
Mathematics
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Find the centroid of the thin plate bounded by the graphs of the given functions. Use ? = 1 and M = area of the region covered by the plate.g(x) = x2, f(x) = 4, and x = 0
A. 
= 
, 
= 
B. 
= 
, 
= 4
C. 
= 4, 
= 
D. 
= 
, 
= 
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For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
(5
, 5)
A. (20, 30°) B. (5, 45°) C. (10, 30°) D. (10, 60°)
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Provide an appropriate response.Show that 
+ 
= 
. In terms of area, explain the result.
What will be an ideal response?
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Solve the equation for the specified variable.A = 
h(B + b) for b
A. b = 2A - Bh
B. b = 
C. b = 
D. b = 
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