21-02-2016
Mathematics

contestada

The ratio 125:x is equivalent to the ratio x squared:125. What is the value of x?

Respuesta :

21-02-2016

You said that 125/x = x²/125

Cross-multiply the proportion: x³ = (125)²

= 15,625

So x = ∛15,625 = 25 .

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