Solve.For a cone, the formula r = 
describes the relationship between the radius r of the base, the volume V, and the height h. Find the volume if the radius is 11 inches and the cone is 8 inches high. (Use 3.14 as an approximation for ?, and round to the nearest tenth.)
A. 1013.2 cu in.
B. 9118.6 cu in.
C. 92.1 cu in.
D. 126.6 cu in.
Answer: A
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = ex cos y + ey cos x; x = 5t, y = -4t
A. e5t(5 cos -4t - 4 sin -4t) e-4t(-4 cos 5t + 5 sin 5t) B. e5t(5 cos -4t + 4 sin -4t) e-4t(-4 cos 5t - 5 sin 5t) C. e-4t(5 cos -4t - 4 sin -4t) e5t(-4 cos 5t + 5 sin 5t) D. e-4t(5 cos -4t + 4 sin -4t) e5t(-4 cos 5t - 5 sin 5t)
Mathematics
Simplify the expression. If necessary, express the result that is not a rational number as a decimal rounded to two decimal places.-9
- 
A. - 
B. 
C. - 
D. 
Mathematics
Decide whether or not the arrow diagram defines a function.DomainRange 
A. No B. Yes
Mathematics
Integrate using any method.
Mathematics