MERCILINS MERCILINS

22-12-2020
Mathematics

contestada

log 7 (x2 + 11) = log 7 15
answers;
a)4
b)2
c)3.87
d)12

Respuesta :

shkgkgkkf shkgkgkkf

22-12-2020

Answer:

2

Step-by-step explanation:

i thought 7 is a base so just solve equation

2x+11=15

x=2

Answer Link

keilonmcalester keilonmcalester

07-01-2021

Answer:

2

Step-by-step explanation:

log 7 (x^2 + 11) = log 7 15

x^2 + 11 = 15

-11 -11

x^2 = 4

([tex]\sqrt{x}^{2}[/tex]) = ([tex]\sqrt{4}[/tex])

x = 2

Answer Link

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