Solve. Use ? ? 3.14 when necessary.An airplane flying due south is 200 miles from the airport. Another airplane flying due west is 205 miles from the airport. How far apart are the two airplanes? Round to the nearest mile.
A. 81,796 mi
B. 286 mi
C. 405 mi
D. 41,000 mi
Answer: B
Mathematics
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Find the curvature ? and radius of curvature R for the curve at the given point.y = 5x2, (1, 2)
A. ? = 
, R = 
B. ? = 
, R = 
C. ? = 
, R = 
D. ? = 
, R = 
Mathematics
Identify the curve as simple, closed, both, or neither.
A. Neither B. Both C. Closed D. Simple
Mathematics
LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}Determine the following. B ? (A - C)
A. {q, s, u, y, z} B. {q, r, s, t, u, v, w, x, y} C. {q, s, u, y} D. {q, s}
Mathematics
Simplify by dividing.
A. -1 B. 4 C. 0 D. 1
Mathematics