Calculate the perimeter for the given figure. Use 3.14 for ?. Round to hundredths if necessary.Right triangle
?3.5 cm
A. 9.09 cm
B. 2.975 cm
C. 2.60 cm
D. 3.89 cm
Answer: A
Mathematics
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Evaluate the line integral along the curve C.
ds , C is the curve r(t) = 3ti + (2 cos 2t)j + (2 sin 2t)k , 0 ? t ? 
?
A. 
?2 + 4
B. 
?
C. 
+ 2
D. 
?2 + 2
Mathematics
Let U = {1, 2, 4, 5, a, b, c, d, e}. Find the complement of the set.C = {1, 2, 5, b, d}
A. {4, a, c, e} B. {3, 4, a, c, e} C. {3, 4, a, b, c, e} D. {4, a, b, c, e}
Mathematics
Calculate the work done by the force F along the path C.F = xyi + 4j + 8xk; C: r(t) = cos 7ti + sin 7tj + tk, 0 ? t ? 
A. W = 
B. W = 
C. W = 0
D. W = 
Mathematics
Simplify the expression.
A. 11.314 B. -8 C. 22.627 D. not a real number
Mathematics