T = 9 = 0.005x^2 + 0.002x
0.005x^2 + 0.002x - 9 = 0
To solve this quadratic equation divide by 0.005
x^2 + 0.4x - 1800 = 0
x = {-b +/- √[b^2 -4ac] } / 2a = {-0.4 +/-√[0.16 + 7200]} / 2 = { - 0.4 +/- 84.85}/2 =
Use only the positive result: x = 42.2 = 42
Answer: 42
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I hope this helps you out ;)
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Oh I am so sorry about that
I’m pretty sure it’s server