Name the quadrant in which the angle ? lies.tan ? < 0, sin ? < 0
A. I
B. II
C. III
D. IV
Answer: D
Mathematics
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Determine if the argument is valid or invalid. Give a reason to justify answer.If the bell rings, then we answer the door.The bell rings. ? We answer the door.
A. Valid by disjunctive syllogism B. Invalid by fallacy of the converse C. Invalid by fallacy of the inverse D. Valid by the law of detachment
Mathematics
Solve the problem.Two cards are drawn in order from a well shuffled deck of 52 cards. The probability that both cards are 10's is given by
A. 
× 
.
B. 
× 
.
C. 
12.
D. 
× 
.
E. none of these
Mathematics
Write an equation of the line.
A. y = - 
x
B. y = 
x
C. y = 
x
D. y = - 
x
Mathematics
Evaluate the expression. 
A. 
B. 126
C. 3024
D. 15120
Mathematics