Question

01) MCQs :

1) What is the mean proportional of 4 and 25​

Answer 1

Respuesta:

The mean proportional of 4 and 25 is ±10

Explicación paso a paso:

$\frac{4}{x} = \frac{x}{25} \\4*25=x^{2} \\\sqrt{4*25} = x\\2*5=x\\x=10$

The mean proportional is ±10

La media proporcional entre 4 y 25 es ±10

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