At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 14.3 and 16.1 seconds
A. 34%
B. 50%
C. 48%
D. 68%
Answer: D
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 64 at 
minimum: -64 at 
B. Maximum: 128 at 
minimum: -128 at 
C. Maximum: 64 at 
minimum: -128 at 
D. Maximum: 128 at 
minimum: -64 at 
Mathematics
For the given polar equation, write an equivalent rectangular equation.r2 = 46r cos ?
A. x = 46 B. x2 + (y - 23)2 = 529 C. (x - 23)2 + y2 = 0 D. (x - 23)2 + y2 = 529
Mathematics
Find the derivative of the function.
?
What will be an ideal response?
Mathematics
Solve the inequality and graph the solution set.
> 5
A. 
B. 
C. 
D. 
Mathematics