Find the coordinates of the centroid (to the nearest 0.01 in.) of the uniform flat-plate machine part shown.
A. (1.33 in., 3.00 in.)
B. (1.60 in., 2.00 in.)
C. (0.80 in., 1.80 in.)
D. (1.20 in., 1.80 in.)
Answer: D
Mathematics
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Multiply or divide the fractions. Reduce to simplest form.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve.Suppose that a polynomial function is used to model the data shown in the graph below.
For what intervals is the function decreasing?
A. 10 through 30 B. 10 through 20 and 30 through 50 C. 0 through 30 D. 0 through 10 and 30 through 50
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine a polynomial that represents the area of a square having sides of length 
A. 4x2 - 18xy + 81y2 B. 4x2 + 36xy - 81y2 C. 4x2 - 36xy + 81y2 D. 4x2 - 36x + 81y
Mathematics