symonya
17.07.2020 •
Mathematics
Find the value of X.
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Ответ:
x = 4√5
Step-by-step explanation:
The triangles are all similar, so corresponding lengths are proportional.
hypotenuse/short side = x/5 = (11+5)/x
x^2 = 80 . . . . cross multiply
x = 4√5 ≈ 8.94427
Ответ:
X^2 - 4x - 12
(X - 6) (x + 2) = 0
X= 6 X= -2
Smaller zero: X =2