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Slav-nsk [51]
3 years ago
6

The union, intersection, and difference (A - B) of

Mathematics
1 answer:
anastassius [24]3 years ago
3 0

Answer:

A = {1, 3, 5...13} , B = {0, 2 ,4...14}

A and B = {null}

A or B = { 0, 1, 2 , 3, 4....14}

A-B = {1 +3+5+...13} - {0+2+4+....14}

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May u guys help me jus me out 5 ez questions for u guys to help me with
Elena-2011 [213]

Answer:

1. -29/156 2. 38/45 3. 29/45 4. 113/24 or about 4.7 5. 457/1,  914/2,  1371/3

Step-by-step explanation:

3/13 - 5/12 can be simplified to 36/156 - 65/156. Subtract this and you get -29/156  

4/9 + 2/5 can be simplified to 20/45 + 18/45. Add this and you get

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5/8 - 2/9  can be simplified to 45/72 - 16/72. Subtract this and you get

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3 1/2 + 2 5/12 can be first made irrational to 7/2 + 29/24. This can be simplified to 84/24 + 29/24

113/24 or about 4.7

Not sure about the 457, but to convert it, you multiply it by whatever denominator you have. For example

1x457 = 457/1

2x457 = 914/2

And finally 3x457 = 1371/3

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