Refer to the figure in which O is the center of the circle, ray PA is a tangent, m?BOC = 80°, PE = 10 ft, PD = 12 ft, PB = 19 ft, ER = 4 ft, ER = 4 ft, and BR = 5 ft.
(b) 105°
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 10i + 4j + 1k , S is the rectangular surface z = 0, 0 ? x ? 10, and 0 ? y ? 1, direction k
A. 0 B. 40 C. 10 D. 100
Mathematics
Convert between English and Metric System of Units.
218 mi = 
km (Round to the nearest thousandth.)
A. 135.488 B. 394.362 C. 350.762 D. 121.111
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Mathematics
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.2
- 2
A. 
B. 
C. 3
D. 2
Mathematics