An old lady taking her elephant for a walk
beside the river was dismayed to see it
falling ov...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 20:40, Jrstx333
An old lady taking her elephant for a walk
beside the river was dismayed to see it
falling over the steep, slippery bank towards
the water. Luckily it was harnessed to a
strong rope, and the lady managed to take
several complete turns of the rope around a
tree and hold on tightly enough to keep it
from the waiting crocodiles.
Each turn of the rope around the tree reduced the pull by 70%. Given that
the old lady, who is really quite strong, can support a weight of at most
50kg, while her elephant weighs 1 tonne, find the smallest number of
complete turns which the old lady could have used.
If she had used half a turn less could she still have held the elephant?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Mathematics, 22.06.2019 04:00, KingMack1136
Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.
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