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Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
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Mathematics, 21.06.2019 22:50
1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?
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Find the interior angle of a regular polygon which has 6 sides
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Mr. piper is driving peter, roddy, and scott home from school. all of them want to ride in the front seat. how can he make a fair decision about who rides in the front seat?
Answers: 1
2x + y + 3z = 1
2x + 6y + 8z = 3
6x + 8y + 18z = 5...
2x + 6y + 8z = 3
6x + 8y + 18z = 5...
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