Mathematics, 31.03.2020 22:33, mimi8734

We know the following about the numbers a, b and c:
(a + b)^2 = 9,
(b + c)^2 = 25, and
(a + c)^2 = 81.
If a + b + c ≥ 1, determine the number of possible values for a + b + c.

Answers: 3

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We know the following about the numbers a, b and c:
(a + b)^2 = 9,
(b + c)^2 = 25, and...