ccvitiritto ccvitiritto
  • 26-01-2019
  • Mathematics
contestada


[tex] \frac{5x {}^{8} }{20x {}^{7} } [/tex]
when x = 3 and y = 5

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 26-01-2019

Answer:

3/4

Step-by-step explanation:

5x^8

-----------

20 x^7


5/20  =1/4

x^8/x^7    When dividing exponents with the same base, we subtract the exponents  

x^(8-7)

x^1


so

5x^8

-----------

20 x^7


= 1/4 x

Let x =3

1/4 *3

3/4

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