27-04-2020
Mathematics

contestada

What is the value of x if 5x+^2 = 5^9?
A.X=-11
B.X=-7
C.X= 7
D.X= 11

Respuesta :

ItzMikeSS ItzMikeSS

27-04-2020

Answer: C) x = 7

Step-by-step explanation:

[tex]5^x^+^2=5^9[/tex]

Since we have the same base, equal the exponents.

[tex]x+2=9\\x=9-2\\x=7[/tex]

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