The Model = 12 + 20(dia)can Be Used to Predict the Breaking

question 49

Multiple Choice

The model
= 12 + 20(dia) can be used to predict the breaking strength of a rope (in kilograms) from its diameter (in metres) .According to this model,how much force should a rope one-half metre in diameter be able to withstand?

• A)256 kg
• B)16 kg
• C)484 kg
• D)4.7 kg
• E)22 kg

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