Approximate the area of the triangle to the nearest tenth.? = 98.8°, ? = 33.3°, a = 23.1
A. 146.5
B. 390.2
C. 195.1
D. 235.7
Answer: C
Mathematics
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Evaluate the surface integral of the function g over the surface S.G(x,y,z) = x2 + y2 + z2; S is the surface of the cube formed from the coordinate planes and the planes 
and 
A. 135 B. 189 C. 567 D. 405
Mathematics
Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos 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. 9?
B. 
?
C. 3?
D. 
?
Mathematics
Perform the indicated operation. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use the formula
a. 0.110
b. 0.106
c. 0.109
d. 0.107
e. 0.113
Mathematics