If posts are spaced 11 feet apart, how many posts are needed for 99 feet of straight-line fence?
?
__________ posts
?
Fill in the blank(s) with the appropriate word(s).
10
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Find the unit tangent vector of the given curve.r(t) = 4t3i - 3t3j + 12t3k
A. T(t) = 
i - 
j - 
k
B. T(t) = 
i - 
j + 
k
C. T(t) = 
i + 
j + 
k
D. T(t) = 
i - 
j + 
k
Solve the problem.A field is in the shape of a parallelogram with sides of length 186.6 ft and 11.77 ft. The altitude to the longer side is 11.29 ft. Find the length of fencing which must be purchased to enclose the entire field.
A. 2107 ft B. 396.74 ft C. 396.7 ft D. 395.8 ft
Find the differential of the function.y = x ? csc 5x
A. (csc 5x + 5x ? csc 5x cot 5x) dx B. (csc 5x - x ? csc 5x cot 5x) dx C. (csc 5x - 5x ? csc 5x cot 5x) dx D. (csc 5x - 5x ? csc 5x tan 5x) dx
Answer the following statement(s) true (T) or false (F)
When students first develop the idea of commutativity, they may only believe that it holds for small numbers.