natlovesfood
05.01.2021 •
Mathematics
10 points! Need help now!
A cable on a suspension bridge can be modeled by this equation, where his the cable's height, in feet, above the roadway d feet away
from the entrance to the bridge.
h = 0.01d? – 0.3d + 22.5
Fill in the blanks
The__1__ height of the cable is __2__ feet and it occurs __3__ feet form the edge of the bridge.
1. Minimum or maximum
2. 150. ,15. ,20.25. ,22.5
3.20.25. ,22.5. ,15. ,150
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Ответ:
T = 2.
Step-by-step explanation:
Since we only have half the side lengths for AB and BC, we need to multiply those by 2. This gives us AB = 6t and BC = 8t.
6t + 8t + 7t + 6 = 48.
Subtract 6 from both sides of the equation. This gives us 6t + 8t + 7t = 42.
Add all the variables together for 21t = 42.
Divide by 21. t = 2.
That's the value of T.