DesperatforanA
05.11.2020 •
Mathematics
HELP ASAP thank u !!
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Ответ:
20.75
Step-by-step explanation:
Ответ:
Let w represents the weight and d represents the distance.
It is given that
The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is placed on a lever, 5 ft from the fulcrum.
Substituting the values of w and d, we will get
Using the value of k which is 600, with the above equation and the given value of d which is 8, we will get
Therefore the correct option is B .