Find the indicated probability.f(x) = 
; [0, ?), P(2 ? x ? 5)
A. 0.4773
B. 0.1364
C. 0.2045
D. The function f(x) is not a probability density function.
Answer: C
Mathematics
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{5, 25, 125, 625, ...}
A.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | n5, | ... |
B.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 52n, | ... |
C.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 5n, | ... |
D.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 5, | 25, | 125, | 625, | ..., | 5n, | ... |
Mathematics
Use a calculator to evaluate the expression. Round approximate answers to four decimal places.3 sin(5)cos(5)
A. -0.8160 B. 0.2605 C. 0.8510 D. -2.8768
Mathematics
The two triangles below are similar. Find the length of any missing side.
A. x = 34 B. x = 28 C. x = 36 D. x = 45
Mathematics
Verify the identity.sin 
= cos x
What will be an ideal response?
Mathematics