A one-kilogram mass is suspended from n elastic bands, all the same size. The length L centimetres to which they stretch is given by the formula L= 31/2 + 91/2n .
What's the length when there are three elastic bands?
I keep getting the answer 184cm, but the answer key states 30sqrt6cm. Thanks!!
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Show me another »(urgent, please!) need help with algebra?
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Looking at the expected answer having surds, the formula is incorrect.
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