For Figure 2, describe a relationship between ?AED and two arcs on Circle O.
?AED = 1/2 (arc AD - arc BC)
Mathematics
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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = i - j, w = 2i + 4j
A. 116.6° B. -18.4° C. 18.4° D. 108.4°
Mathematics
Evaluate the expression without a calculator.log11 
A. 
B. - 
C. 2
D. - 2
Mathematics
Evaluate the expression using the given value of the variables.-2x2 + 5y2 for x = 2, y = 3
A. 41 B. -53 C. 37 D. 7
Mathematics
Solve.If y varies inversely as x, and y = 
when x = 20, find y when x = 3.
A. 12
B. 
C. 
D. 
Mathematics