Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
- 
B. 
+ 
C. 
D. 
- 
Answer: D
Mathematics
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Provide an appropriate response.Simplify: 
A. 
B. 
C. 
D. 
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:More than 15.2 seconds
A. 34% B. 50% C. 68% D. 48%
Mathematics
Solve the system by elimination.x + 7y = 75x - 4y = -4
A. {(0, 0)} B. {(1, 0)} C. {(1, 1)} D. {(0, 1)}
Mathematics
Find the intercepts for the graph of the equation.-4x + 3y = 0
A. (0, -2) (0, -8) B. (0, -8) (-2, 0) C. (-2, 0) (-8, 0) D. (0, 0) (0, 0)
Mathematics