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horsena [70]
2 years ago
14

Karen is planting a tree. She wants to use two guy wires to stabilize the tree. If Karen places the guy wires 8 feet up the trun

k and 7 feet from the base, how much total wire will she need for both guy wires? Round your answer to the nearest tenth.
Mathematics
2 answers:
solniwko [45]2 years ago
8 0
15 feet of wire (I’m pretty sure?)
belka [17]2 years ago
5 0

Answer:

20 ft

Step-by-step explanation:

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f (x) = -2x^2 - 24x - 70 <--- divide out -2 out of the first two terms...

f (x) = -2 (x^2 + 12x) - 70 <-- divide the x coefficient by 2 and then square it, then add AND subtract it)  

f (x) = -2 (x^2 + 12x + (12/2)^2 - (12/2)^2) - 70  

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f (x) = -2 (x + 6)^2 + 2 <-- standard form...

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3 years ago
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