Answer:
(2,8)
Step-by-step explanation:
When you reflect over the y-axis, you change the x to the opposite sign
y reflection → (-x,y)
Answer:
Se requiere un 20 por ciento de descuento.
Step-by-step explanation:
(This exercise has been presented in Spanish and for that reason explanation will be held in the same language)
Sea
el precio original del computador portatil, el nuevo precio es:
![p_{1} =\left(\frac{100\,\% + 25\,\%}{100\,\%} \right)\cdot p_{o}](https://tex.z-dn.net/?f=p_%7B1%7D%20%3D%5Cleft%28%5Cfrac%7B100%5C%2C%5C%25%20%2B%2025%5C%2C%5C%25%7D%7B100%5C%2C%5C%25%7D%20%5Cright%29%5Ccdot%20p_%7Bo%7D)
![p_{1} = 1.25\cdot p_{o}](https://tex.z-dn.net/?f=p_%7B1%7D%20%3D%201.25%5Ccdot%20p_%7Bo%7D)
Si
, entonces el porcentaje requerido para recuperar el precio original es:
![r = \left(1-\frac{p_{2}}{p_{1}} \right)\times 100\,\%](https://tex.z-dn.net/?f=r%20%3D%20%5Cleft%281-%5Cfrac%7Bp_%7B2%7D%7D%7Bp_%7B1%7D%7D%20%5Cright%29%5Ctimes%20100%5C%2C%5C%25)
![r = \left(1-\frac{p_{o}}{1.25\cdot p_{o}} \right)\times 100\,\%](https://tex.z-dn.net/?f=r%20%3D%20%5Cleft%281-%5Cfrac%7Bp_%7Bo%7D%7D%7B1.25%5Ccdot%20p_%7Bo%7D%7D%20%5Cright%29%5Ctimes%20100%5C%2C%5C%25)
![r = \left(1-\frac{1}{1.25} \right)\times 100\,\%](https://tex.z-dn.net/?f=r%20%3D%20%5Cleft%281-%5Cfrac%7B1%7D%7B1.25%7D%20%5Cright%29%5Ctimes%20100%5C%2C%5C%25)
![r = 20\,\%](https://tex.z-dn.net/?f=r%20%3D%2020%5C%2C%5C%25)
Se requiere un 20 por ciento de descuento.
Answer:
![-6y+36](https://tex.z-dn.net/?f=-6y%2B36)
Step-by-step explanation:
![-6(y-6)\\(-6)(y+-6)\\(-6)(y)+(-6)(-6)\\= -6y + 36](https://tex.z-dn.net/?f=-6%28y-6%29%5C%5C%28-6%29%28y%2B-6%29%5C%5C%28-6%29%28y%29%2B%28-6%29%28-6%29%5C%5C%3D%20-6y%20%2B%2036)
30000 is the answer as it is ajove 20000 in comparison to rounding down