Wednesday
April 16, 2014

Homework Help: algebra

Posted by harry on Sunday, April 22, 2007 at 9:29pm.

How do you solve 1/16=64^(5x-4)?

thank you

Notice that 16 and 64 are both powers of 2.

2^-4 = 2^6(5x-4)

take log base 2 of each side..

-4=6(5x-4)
solve for x

wow, okay thanks!!!

so its -.93?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algerbra 1 - what is the answer to 5x-16=14-5x Just giving you the answer is not...
Find the sum of thuis question - Can someone find the sum for this equation ...
maths - solve the following simultaneous equation: 5x+2y=29 x-y=-4 2x-y=-1 3x-y=...
algebra - solve by substitution 5x-2y = -5 y - 5x = 3 could someone take a min a...
Trig - log base b 64 - log base b 16 = log base 4 16 solve for the variable.. i...
Math - I have 2 problems I need help with both I have narrowed it down to 2 ...
math,correction - can someone correct these for me i'll appreciate it thank. ...
check! - here is the question: log5(x-4)= log7x solve for x. These are just base...
College Algebra - okay so using y = (-5/6)x + 3 how do i find the corresponding ...
Algebra - How do I solve the following by substitution: 5x -2y =-5 y - 5x = 3 8x...

Search
Members