Solve the problem.A wind has an easterly component of 6 km/h and a northerly component of 12 km/h. Find the direction of the wind.
A. E 26.6° N
B. E 50.3° N
C. E 63.4° N
D. E 52.1° N
Answer: C
Mathematics
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Find an approximate value for the integral, using Simpson's rule with n intervals.
dx, n = 2 (Round to four decimal places.)
A. 2.1 B. .09626 C. 1.497 D. 1.9252
Mathematics
Construct a truth table for the given statement and then determine if the statement is a tautology.( ~ p ? q) ? (p ? q)
A. 
Is not a tautology.
B. 
Is not a tautology.
C. 
Is a tautology.
D. 
Is not a tautology.
Mathematics
Find the derivative of the function.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics
Solve the equation.
= 
- 
A. 
B. {1}
C. {27}
D. {0}
Mathematics