guad guad
  • 13-02-2015
  • Mathematics
contestada

simplify each equation, then solve. 1) log 2 128=x

Respuesta :

luana
luana luana
  • 13-02-2015
[tex]l[tex]log_{2}128=x\\\\ Formula\ for\ log:\\ log_{a}c=b\ \ \ =>\ a^b=c\\\\ 2^x=128\\\\ 2^x=2^7\\\\ x=7\\\\Solution\ is\ x=7.[/tex][/tex]
Answer Link
Аноним Аноним
  • 13-02-2015
[tex]\log _{ 2 }{ 128 } =x\\ \\ \log _{ 2 }{ \left( { 2 }^{ 7 } \right) } =x\\ \\ 7\cdot \log _{ 2 }{ 2 } =x[/tex]

[tex]\\ \\ 7\cdot 1=x\\ \\ \therefore \quad x=7[/tex]
Answer Link

Otras preguntas

A recipe calls for 3/4 cup of mayonnaise, 2/3 cups of sour cream, 1/2 cup of buttermilk, and 2 cups of spinach. What are the total cups of this recipe? Make sur
1. THIS IS KEVIN'S FIRST DAY AT WHAT HIGH SCHOOL?
TARGATED GROUPS DURING THE HOLOCOUST INCLUDED
Please help asap will give brainlist ​
Two laboratory technicians are running product quality tests . One technician takes 6 minutes less than the other . What equation would give the amount of time
Stephanie multiplied two decimal numbers and found the product to be 29.648.Which could be the two decimals Stephanie multiplied? Check all that apply.13.6 and
m m m What is the measure of Z CZD? PLEASE HELP!
Find the measure of the angle. (two more and i'm done, sorry)
y=-4/3x Give the slope and y-intercept
what element am i ? i have 74 protons ?