Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 761.6 cm2
B. 673.3 cm2
C. Not enough data
D. 632.1 cm2
Answer: A
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 6?
B. 
?
C. 
?
D. 
?
Mathematics
Add the polynomials.(5x) + (5 - 5.5x)
A. -1.5x + 5 B. -0.5x - 5 C. 0.5x + 5 D. -0.5x + 5
Mathematics
Simplify.
A. 
B. 
C. 5x - 6
D. 5x2 - 27
Mathematics
Divide.
÷ 
A. 
B. 
C. 
D. 
Mathematics