kactus
24.01.2020 •
Mathematics
(4x^2-4x+3)+(-3x^2+8x-6) add what’s the answer
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Ответ:
X^2 + 4x -3
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Ответ:
The appropriate formula is
... z = (x - μ)/σ
Solving for x gives
... x = μ + z·σ
Substituting the given values lets you find x:
... x = 50 + 1.5·10
... x = 65