Find the coordinates of the centroid (to the nearest 0.01 in.) of the uniform flat-plate machine part shown.
A. (3.22 in., 1.96 in.)
B. (2.88 in., 1.75 in.)
C. (3.22 in., 2.90 in.)
D. (2.90 in., 1.64 in.)
Answer: A
Mathematics
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A. 398.585 ft2 B. 338.14 ft2 C. 351.0925 ft2 D. Not enough data
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Add or subtract. Simplify your answer to lowest terms.
- 
A. r + 9
B. r - 81
C. 
D. r - 9
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State whether the given function is linear and constant, linear but not constant, or nonlinear.f(x) = -4x4 - 2x3 - 8x2 + 0.12x - 10
A. nonlinear B. none of these C. linear, but not constant D. linear, constant
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Graph.9(x + 2)2 - 4(y + 4)2 = 36
A. 
B. 
C. 
D. 
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