Give the exact value.cos 210°
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Evaluate the surface integral of G over the surface S.S is the hemisphere x2 + y2 + z2 = 5, z ? 0; G(x,y,z) = z2
A. 
?
B. 100?
C. 
?
D. 
?
Mathematics
Find the area.
A. 480 in.2 B. 588 in.2 C. 108 in.2 D. 396 in.2
Mathematics
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.-6.2(x + 7.1) = -9.8(7.4 - 7x) + 20.9
A. -0.12 B. 0.1 C. 0.66 D. 1.28
Mathematics
Find the volume of the rectangular solid.Find the volume of a box with the following dimensions:length = 5.8 m, depth = 5 m, height = 9 m
A. V = 145 m3 B. V = 405 m3 C. V = 302.8 m3 D. V = 261 m3
Mathematics