Ayuda porfavor faltan otras 5 las pondre en otra publicacion?

1. <img src="https://tex.z-dn.net/?f=%20%5Cpi%20%20" /> pertenece al conjunto de los números irracionales, porque tiene expresiones decimales infinitas.

2. <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B4%7D%20%20" /> de litro - - - - - - - 1 bote 45 litros - - - - - - - x botes (45 * 1) * <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B3%7D%20%20" /> = 45 * <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B3%7D%20%20" /> = 60

3.

|x - 1| < 5 v |x - 1| > - 5 x - 1 < 5 v x - 1 > - 5 x < 5 + 1 v x > - 5 + 1 x < 6 v x > - 4 S = { - 4 ; 6}

4.

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%28-3%29%28-4%29%7D%7B%28-6%29%7D%20%20" /> = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B12%7D%7B-6%7D%20%20" /> = - 2

5.

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B4%7D%20%20" /> - <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20%20" /> = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B6-4%7D%7B8%7D%20%20" /> = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B8%7D%20%20" /> = [img = 10]

6.

Litros_Totales = 75 * [img = 11] = 56.

25L

7.

T = total - - > 100% a = [img = 12] t - - > 25% b = [img = 13] t - - > 25% c = x t = a + b + c 100% = 25% + 25% + x 100% = 50% + x 100% - 50% = x 50% = x

8.

648 | 2 324 | 2 162 | 2 81 | 3 27 | 3 9 | 3 3 | 3 1 / 648 = [img = 14] * [img = 15]

9.

Sí

10.

B = 45cm H = 64 cm A = B * H A = 45cm * 64cm A = 2880cm A' = 2880 * 2.

54 A' = 7315.

2 [img = 16].