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anitadefrances
25.07.2019 •
Mathematics
Event a: lands on a number greater than 4
event b: lands on purple
events a and b are_events. options: overlapping or disjointed
p(a or b) =
1. 1/3
2. 2/3
3. 1/6
4. 5/6
Solved
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Ответ:
Step-by-step explanation:
n(-2) = -1 - (-2) + 4 = -1 + 2 + 4 = -1 + 6 = 5
( - 1 , 6 one has +sign and other -sign. So different sign mean, we have subtract and the sign of the result will be the bigger number's sign. Here bigger number [6] is +. So, result is 5)
n(0) = -1 - 0 + 4 = -1 + 4 = 3
n(5) = - 1 - 5 + 4 = -6 + 4 = -2
( -6 , 4 one has +sign and other -sign. So different sign mean, we have subtract and the sign of the result will be the bigger number's sign. Here bigger number [-6] is -. So, result is -2)