guad
guad
12-02-2015
Mathematics
Answered
simplify each equation, then solve. 1) log 2 128=x
Answer :
luana
luana
12-02-2015
[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
12-02-2015
[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
VIEW ALL ANSWERS ( 26+ )
Other Questions
books never written riddle
A machine packs boxes at a constant rate of 2/3 of a box every 1/2 minute. Which is the number of boxers per minute that the machine packs? a. 1/3 b. 3/4 c. 1 1
how do you write 9,800,100 in expanded form using exponents?
Napoleon came to power by A. allying himself with France's allies. B. overthrowing the Directory by force. C. leading the nobles against the revolution. D. stor
According to legend, what should you never do if you catch a leprechaun? Kiss him Take your eyes off him Tell your friends
In China, food shortages, corruption in government, and high rates of opium addiction led to A) the Opium Wars. B) the Taiping Rebellion. C) the Boxer Rebellion
those goods whose quantity demanded increases as income goes up are called wealthy goods inferior goods rich people goods superior goods
the sum of 3 decimal numbers is 6. Exactly one of the numbers is less than 1 what could those numbers be.
Which word correctly completes the sentence? __________ down and go to sleep. A. Lay B. Lie
what does feutre mean
