janelizhenriquez janelizhenriquez

21-01-2020
Mathematics

contestada

Solve 5x − 4 = 7 for x using the change of base formula log base b of y equals log y over log b.

A 5.209
B 4.827
C −2.791
D −3.173

Respuesta :

shawnb456324 shawnb456324

28-01-2020

Answer:

5.209 or A

Step-by-step explanation

5^x-4=7

reserve 4

log sides

x-4 log5 and log7

x-4=log7/log5

+4 or number of your equation

x=log5/log7 +4

use calculator

get answer

5.209

EDIT: Got a 100 on the test this is correct

Answer Link

delaneywilcox22 delaneywilcox22

14-01-2021

Answer:

A

Step-by-step explanation:

5.209

Answer Link

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