Monday

September 1, 2014

September 1, 2014

Posted by **George** on Saturday, August 23, 2008 at 11:25pm.

4 * 16^x = 10 * 11^x

Do you start by multiply 4 times 16 then 10 times 11, and then what? Or am I completely wrong?

- Calculus -
**Reiny**, Sunday, August 24, 2008 at 12:04amyou could do

4^1 * (4^2)^x = 10*11^x

4^(2x+1) = 10*11^x

now take the log of both sides

log(4^(2x+1)) = log10 + log11^x

(2x+1)log4 = 1 + xlog11

(2log4)x + log4 = 1 +xlog11

x(2log4 - log11) = 1-log4

x = (1-log4)/(2log4-log11)

x = 2.44544

**Related Questions**

Math - Can I reduce these fractions before I multiply them together? because ...

Algebra Sq Rt - to multiply the sq rt of 3 cubed by the sq rt of 9 cubed I first...

Math - I want to know did I work these problems right Multiply: ( - 6)² - 4² = ...

math - sorry its 5t+(6 times 10 power neg.3)....and the answer should be1.08 ...

Math - Can you see if my answers are correct? Directions find the GCF: (I did ...

GCF Math Check - Can you see if my answers are correct? Directions find the GCF...

calculus - Solve the equation 14=65(19)x for x using logs.

math logs - solve 3^(2x+1) = 9^(2x-1) using base 3 logs

Chemistry - for each of the following, give an answer with the correct number of...

RADICAL EQUATIONS - PLEASE HELP! I have the steps down and an answer..just need ...