Mathematics: Which three lengths cannot be the lengths of the sides of a triangle? question 12 options: 5 m, 7 m, 8 m 11 m, 11 m, 12 m 23 m, 17 m, 14 m 21 m, 6 m, 10 m

Which three lengths cannot be the lengths of the sides

tony001

31.05.2020

23 m, 17 m, 14 m
Cuz the length of a side must be bigger than the difference of the other two

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Theacefamily123

30.08.2022

well let see here

From the options, a or c has x = -1, both has x = , so lets check for x = 3

f(3) = (3)^3 + 2(3)^2 - 5(3) - 6 = 27 + 18 - 15 - 6 = 24; x = 3 is not a solution to the polynomial.

Therefore the solutions to the polynomial are x = -3, x = -1, x = 2

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