Sunday

January 25, 2015

January 25, 2015

Posted by **mandy** on Saturday, May 3, 2014 at 1:39am.

- add maths -
**Barry**, Saturday, May 3, 2014 at 2:39amDear Mandy,

Here is the solution

log2 0.45 = log2 (9/20)

= log2 9 - log2 20

= 2log2 3 - log2 (4x5)

= 2h- (log2 4 + log2 5)

= 2h-(2+k)

= 2h-2-k

Hope this helps

**Answer this Question**

**Related Questions**

math - solve the equation log2(x+4)-log4x=2 the 2 and 4 are lower than the g ...

math30 - 1.Use the laws of logarithms to express log2 (6) â€“ log2 (3) + 2log2 (...

Logarithms - I'm working on logarithmic equations and I'm stuck on how my book ...

Math - Logarithmic - Solve: 2^(5x-6) = 7 My work: log^(5x-6) = log7 5x - 6(log2...

Math Algebra 2 - How do I put log in a TI-84 calculator. #1.Express the ...

Algebra 2 - solve log2(3x-1)-log2(x-1)=log2(x+1) i have absolutely no idea how ...

algebra/please can you ck my answers - Tell what the output value is for the ...

maths - 1.Log10(x²-12x+36)=2 2.log4 log3 log2 x=0 3.log3 [log9x+1/2+9x]=2x 4....

Math - Can someone solve this showing the steps involved 4^log2(2^log2 5)

Algebra II - Solve log2(7x-3)>= log2(x+12) My work: 6x=15 x=15/6 x-5/2 so my ...