Use mathematical induction to solve for all positive integers n.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Find the requested angle.Supplement of 170°
A. 10° B. 190° C. 80° D. 340°
Mathematics
Solve.If y varies inversely as x, and y = 3 when x = 45, find y when x = 5.
A. 27
B. 3
C. 75
D. 
Mathematics
Solve the problem. Give the answer to the nearest thousandth if necessary.A boat travels 8 miles south and then 10 miles east. How far is the boat from its starting point? 
East --10 mi-->
A. 12.806 mi B. 6.403 mi C. 82 mi D. 9 mi
Mathematics
Find a cofunction with the same value as the given expression.cos 53°
A. sin 53° B. sec 53° C. csc 37° D. sin 37°
Mathematics