Solve the problem.The time to failure t, in hours, of a certain machine can often be assumed to be exponentially distributed with probability density function f(t) = 
e-t/88, 0 ? t < ?,What is the probability that a failure will occur in 41 hours or less?
A. 0.2793
B. 0.4469
C. 0.2979
D. 0.3724
Answer: D
Mathematics
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Perform the operation and give the answer as a fraction in lowest terms.
+ 
A. 
B. 1
C. 
D. 2
Mathematics
Choose the equivalent expression for the given expression.tan2x
A. sec2x - 1 B. 1 + csc2x C. 1 + sec2x D. csc2x - 1
Mathematics
Find the perimeter (P) and area (A) of the figure.
A. P = 88, A = 377 B. P = 390, A = 754 C. P = 32, A = 416 D. P = 47, A = 416
Mathematics
Solve the problem.A loan officer at a bank has $100,000 to lend and is required to obtain an average return of 
per year. If he can lend at the rate of 
or the rate of 
how much can he lend at the 
rate and still meet his required return?
A.
| $7142.86? |
B. $4000.00
C. $900,000.00
D. $33,333.33
Mathematics