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Anna [14]
3 years ago
13

V^2=12^2+2(-6)(9) answer please i am waitind

Mathematics
2 answers:
il63 [147K]3 years ago
3 0

Answer:

V = 6 or V = -6

Step-by-step explanation:

Solve for V over the real numbers:

V^2 = 12^2 - 6 2 9

12^2 + 2 (-6) 9 = 36:

V^2 = 36

Take the square root of both sides:

Answer: V = 6 or V = -6

ExtremeBDS [4]3 years ago
3 0

Answer:

v=6 or v=−6

Step-by-step explanation:

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HELP ME!! SOMEBODY PLEASE HELP ME
IRISSAK [1]
6^2 = x (x - 9)
x^2 - 9x - 36 = 0
(x -12)(x + 3) = 0
x - 12 = 0; x = 12
x +3 = 0; x = -3

so in this case x = 12 then DC = 12 - 9 = 3

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