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ch4aika [34]
3 years ago
15

15. Given A (X) define the characteristic function A : X {0, 1} by Suppose that A and B are subsets of X. (i) Prove that the fun

ction x A(x) B(x) (multiplication of integers) is the characteristic function of the intersection A B. (ii) Find the subset C whose characteristic function is given by

Mathematics
1 answer:
il63 [147K]3 years ago
4 0

Answer:

Step-by-step explanation: Step explained in the attached file

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Answer:

x = 30

Step-by-step explanation:

x + 2x + 3x = 180

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              6       6

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Read 2 more answers
Solve the equation 0.35(x+4)=0.25(x-6)
creativ13 [48]
x = -29

because
0.35x +1.4=0.25x-1.5
-0.25x            -0.25x
_____________________
0.1x + 1.4 =  -1.5
         -1.4      -1.4
_________________________
0.1x          =-2.9
____        _____
0.1               0.1
     x =  -29


5 0
3 years ago
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