Simplify the square root. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the indicated vector.Let u = 
, v = 
. Find v - u.
A. 
B. 
C. 
D. 
Mathematics
Determine ? in decimal degrees, 0° ? ? ? 90°. Round results to an appropriate number of significant digits.cot ? = 1.8
A. 29.0° B. 27.0° C. 29° D. 27°
Mathematics
Solve the given equation by completing the square.0.2m2 + 0.8m + 0.3 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Island A is 150 miles from island B. A ship captain travels 250 miles from island A and then finds that he is off course and 160 miles from island B. What angle, in degrees, must he turn through to head straight for island B? Round the answer to two decimal places. (Hint: Be careful to properly identify which angle is the turning angle.)
A. 34.92° B. 110.17° C. 145.08° D. 55.08°
Mathematics