christian123kokilo
christian123kokilo christian123kokilo
  • 16-02-2021
  • Spanish
contestada

la diferencia del cuadrado de un numero y 5 es 20​

Respuesta :

pintoramses11
pintoramses11 pintoramses11
  • 17-02-2021

Answer:

y=6

Explanation:

x^2 = x elevado al cuadrado

A)

X^2 -5=20

x^2=25

x=√25

x=5

B)

(y+4)^2=100

y+4=√100

y+4=10

y=6

Answer Link
zarampa
zarampa zarampa
  • 17-02-2021

Answer:

El número es:

5

Explanation:

Planteamiento:

a² - 5 = 20

Desarrollo:

a² = 20 + 5

a² = 25

√a² = √25

a = 5

Comprobación:

5² - 5 = 20

25 - 5 = 20

Respuesta:

El número es:

5

Answer Link

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