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strojnjashka [21]
3 years ago
14

All sides of a triangle have a distinct integer length. what is the smallest possible perimeter of the triangle? It's either 6,7

,8,9,10
Mathematics
1 answer:
anzhelika [568]3 years ago
8 0
9. Getting a smaller perimeter using distinct integers is not possible, per the Triangle Inequality Theorem. To get 9, the sides would be 2, 3, and 4, which passes the test.
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The following numerically ordered sequence of numbers has a mean
Vladimir79 [104]
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Total ten numbers so 
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Now you have the data set
7, a , 12, 15 , 17, 19, 20, 22, 24 , 25

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so
17 = (7 + a + 12+ 15 +17 + 19 + 20 + 22 +24  +25)/ 10
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a = 170 - 161
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answer
a = 9
b = 19
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