Solve the problem.The difference of the reciprocals of two consecutive integers is 1/20. Find the integers.
A. 4 and 5 or -4 and -5
B. 3 and 4 or -3 and -4
C. 5 and 6 or -5 and -6
D. 10 and 11 or -10 and -11
Answer: A
Mathematics
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Clear fractions and solve.
+ 
- 
= 0
A. - 
B. -3
C. 3
D. 
Mathematics
Give the coordinates of the points shown on the graph. 
A. E = (-5, -5) , F = (-5, 7) B. E = (-5, -5), F = (7, -5) C. E = (7, -5), F = (-5, -5) D. E = (-5, 7), F = (-5, -5)
Mathematics
Solve the inequality using a sign chart.
> 
A. 0 < x < 
B. -1 < x < 0 or 
< x < 8
C. x < 0 or x > 8
D. x < -1 or x > 
Mathematics
Solve the following system by substitution.
A. 
B. 
C. 
D. 
Mathematics