BrandyLeach01
25.09.2020 •
Mathematics
Solve the quadratic equation 4x^2-24 = 9
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Ответ:
x1= -2.87228 x2=2.87228
Step-by-step explanation:
Ответ:
24 ft
Step-by-step explanation:
a^2 + b^2 = c^2
7^2 + b^2 = 25^2
7^2 - 25^2 = -b^2
49 - 625 = -b^2
-576 = -b^2
24 = b