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Genrish500 [490]
3 years ago
14

Factor 16x4 - 4y2 A) (x + 4y)(x - 4y) B) 4(2x2 + y)(2x2 - y)

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer:

B

Step-by-step explanation:

16x⁴- 4y²

= 4( 4x⁴ -y²) <em>(</em><em>facto</em><em>rise</em><em> </em><em>common</em><em> </em><em>factor</em><em> </em><em>of</em><em> </em><em>4</em><em>)</em>

= 4 [(2x²)² -y²]

= 4 (2x² +y)(2x² -y)

*a² -b²= (a+b)(a-b)

Alex73 [517]3 years ago
6 0

Step-by-step explanation:

16 {x}^{4}  - 4 {y}^{2}  \\  {4}^{2}  {x}^{4}  -  {2}^{2} {y}^{2}  \\ {4}^{2}  {x}^{2}  \times  {x}^{2}  -  {2}^{2}  {y}^{2}  \\ (4 {x}^{2}  - 2y)(4 {x}^{2}  - 2y)

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Answer:

Al estudiante le falta caminar \frac{1}{3} de kilómetro.

Step-by-step explanation:

Un estudiante debe recorrer dos tercios de kilómetro para llegar al colegio. Dos tercios equivale a la fracción \frac{2}{3} .

El estudiante avanza medio kilómetro en bus. Un medio equivale a la fracción \frac{1}{2}, por lo tanto un medio es la mitad de una cantidad.  Para calcular la distancia recorrida en bus se realiza la siguiente multiplicación:

\frac{1}{2} *\frac{2}{3}

Resolviendo:

\frac{1}{2} *\frac{2}{3} =\frac{1*2}{2*3} =\frac{2}{6} =\frac{1}{3}

Entonces, la distancia recorrida en bus es \frac{1}{3} de kilómetro.

Para calcular la distancia recorrida a pie se calcula la diferencia entre la distancia total a recorrer por el estudiante y la distancia recorrida en bus. Esto es:

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Resolviendo:

\frac{2}{3} - \frac{1}{3}=\frac{2-1}{3} =\frac{1}{3}

<u><em>Al estudiante le falta caminar </em></u>\frac{1}{3}<u><em> de kilómetro.</em></u>

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