Solve the problem.From a survey involving 2,000 students at a large university, it was found that 1,300 students had classes on Monday, Wednesday, and Friday; 1,500 students had classes on Tuesday and Thursday; and 800 students had classes every day. If a student at this university is selected at random, what is the (empirical) probability that the student has classes only on Tuesday and Thursday?
Fill in the blank(s) with the appropriate word(s).
0.350
Mathematics
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Solve the problem.Find the area of a rectangle with length 14.4 in. and width 
A. 88.8 in.2 B. 432 in.2 C. 432.0 in.2 D. 89 in.2
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -1 + 9 cos tFind the body's jerk at time t = ?/3 sec.
A. - 
m/sec3
B. 
m/sec3
C. 
m/sec3
D. - 
m/sec3
Mathematics
Solve the problem.Let f(x) = cos x, g(x) = x - ?/4, and h(x) = 5x. Find h(f(g(?/4))).
A. -5 B. 0 C. 1 D. 5
Mathematics
Perform the indicated operations using the laws of exponents. Express the result using positive exponents.
A. 
B. 
C. 
D. 
E. 
Mathematics