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Simora [160]
2 years ago
14

Pablo hace vestidos para niña y necesita 14 listones que midan 3/4 de metro de largo. ¿Cuántos metros de listón necesita comprar

?
Mathematics
1 answer:
liubo4ka [24]2 years ago
3 0

Respuesta:

10,5 metros

Explicación paso a paso:

Dado que:

Número de cintas necesarias = 14

Longitud por cinta = 3/4 metros de largo

Longitud total de la cinta requerida: número de cinta * longitud por cinta

Longitud total de la cinta = (14 * 3/4) = 10,5 metros de cinta

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Check each equation whose graph is the line that
yanalaym [24]

Answer:

Points P ( 4 , - 7 ) and  Q ( 1 , 5 ) belong to the equations:

1  ;  4  ;  and  5

Step-by-step explanation:

Equations 1 ; 4 and 5 are the same equation

Equation 1    y  =  - 4*x + 9

Equation 4

y + 7 = - 4 * ( x - 4 )   ⇒  y + 7  = - 4*x + 16   ⇒ y = - 4*x - 7 + 16

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Equation 5

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Now for the equation y = - 4*x + 9

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Then point P is in the line  y = - 4*x + 9

Point Q (1 , 5 )

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Equation 2

y = - 4*x - 23

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For x = 4       y  = 16 - 23   y  = - 7

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Point Q

For x = 1     y = - 4 *(1) - 23      ⇒   y = - 27

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Equation 3

y - 1 = - 4 * ( x - 4 )

y  - 1 =  -4*x + 16    ⇒   y  = - 4*x + 17

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y = - 16 + 17   ⇒ y = 1    

Point P is not in the line

And Point Q ( 1 , 5 )

For  x = 1

y = - 4* ( 1 ) + 17    ⇒  y  = 13    Q is not in the line

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