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Find the distance between the points (–10,9) and (4,9).

Question

Find the distance between the points (–10,9) and (4,9).

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Solution

Para encontrar la distancia entre los puntos (–10,9) y (4,9), podemos usar la fórmula de la distancia entre dos puntos en un plano cartesiano. La fórmula es:

d=(x2x1)2+(y2y1)2 d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Donde (x1,y1)(x_1, y_1) y (x2,y2)(x_2, y_2) son las coordenadas de los dos puntos.

En este caso, los puntos son (x1,y1)=(10,9)(x_1, y_1) = (-10, 9) y (x2,y2)=(4,9)(x_2, y_2) = (4, 9).

  1. Sustituimos los valores en la fórmula:

d=(4(10))2+(99)2 d = \sqrt{(4 - (-10))^2 + (9 - 9)^2}

  1. Simplificamos las restas:

d=(4+10)2+(0)2 d = \sqrt{(4 + 10)^2 + (0)^2}

  1. Realizamos las operaciones dentro del paréntesis:

d=142+0 d = \sqrt{14^2 + 0}

  1. Elevamos al cuadrado y sumamos:

d=196 d = \sqrt{196}

  1. Finalmente, calculamos la raíz cuadrada:

d=14 d = 14

Por lo tanto, la distancia entre los puntos (–10,9) y (4,9) es 14 unidades.

This problem has been solved

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