The following right regular hexagonal pyramid has an edge length of 6 cm on the hexagonal base and the height of the pyramid is 8 cm.
(a) What is the surface area of the pyramid?
(b) What is the volume of the pyramid?
a. Surface area = area of base + area of six triangles = 54 ?3+ 18 ?91 cm2
b. Volume = 1/3 x 8 cm3
Mathematics
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Find the gradient field of the function.f(x, y, z) = 
A. ?f = 
i + 2yj + 2zk
B. ?f = 
i + 
j + 
k
C. ?f = 
i + 
j + 
k
D. ?f = 
(x2 + y2 + z2)i + 
j + 
k
Mathematics
Perform the indicated operation.(3 + 4n6 + 5n5) + (5n6 + 4n5 + 3)
A. 9 + 9n6 + 6n5 B. 24n11 C. 8n6 + 8n5 + 8 D. 9n6 + 9n5 + 6
Mathematics
Perform the indicated operation and simplify.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
The two triangles below are similar. Find the missing lengths.
A. x = 36 B. x = 44 C. x = 41 D. x = 55
Mathematics