tiffanyrhoda
17.06.2020 •
Mathematics
The main cable of a suspension bridge forms a parabola described by the equation y = a(x - 50)2 + 6. What is the value of a?
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Ответ:
Which quadratic equation models the main cable of the bridge correctly?
y = 0.048x2 – 2494
y = 0.048x2 – 6
y = 0.0048(x – 50)2 + 6 (This is correct)
y = 0.0048(x – 6)2 + 50
Ответ:
3/4 x 3 = 9/12
2/12 + 9/12 = 11/12
Altogether, Keisha bought 11/12 of a tank of gas.