ginadesor7208 ginadesor7208

03-07-2017
Mathematics

contestada

Solve 2 log x = log 64.
A. x = 8
B. x = ±8
C. x = 32
D.x = 128

Respuesta :

06-07-2017

2 log x is the same as log x².
So x²=64, so x=8. Not -8 because log of negative number is undefined.

Answer A.

Answer Link

Otras preguntas

Please answer it correctly and I'll mark it

what do you say to those people who go to foreign countries and forget their motherland?

An athlete won the gold medal for combined exercises in the Olympics. Her score was 79.275. What is the value of the digit 5 in her score?

If the pOH of a nitric acid (HNO3) solution is measured as 11, what is the concentration of HNO3 solution? Choose one 2 × 10-3 M 1 × 10-3 M 1 × 10-11 M 3 × 10-3

Any thoughts? And what can I fix

1. In the human body, with which organ would you associate the terms auricle' and 'ventricle'?2. The leaves of this plant are a natural source of dye. This plan

PLEASE HELP WILL GIVE BRAINLY AND 5.0 RATING

can’t figure this problem out need help

Which two things are being compared in the last sentence? DONE V words and buzzards words and a tree "Lucynell don't even know what a hotel is," the old woman m

Which of the the input Shelly does on a rake is 80J the output work the rate does on the leaves that 70 J what is the efficiency of the rake is potential energy