Yes, it should be, because I obtain one the those answer :-)Do you remember the residential or commercial property of logs that states
You are watching: Solve 15 2x = 36. round to the nearest ten-thousandth.
That means<2x log 15 = log 36>Now just solve for (x) and put the calculator to work7 year ago
Yes7 year ago
x=270 ?7 year ago
Ik it"s wrong you re welcome let me explain ...7 years ago
was I an alleged to execute 36*15 ?7 year ago
<2x log 15 = log 36>Divide both political parties by (log 15) to get<2x = fraclog 36log 15>Can you carry out the rest? The price had much better be much less than 1, because if (x =1), climate (15^2x = 15^2 = 225) i m sorry is much bigger than 36!7 years ago
I got 1.3232837927 year ago
in fact, you could work it out in your head close sufficient to acquire the best answer!hmm. That"s 2x the appropriate answer...did girlfriend remember to division by that 2 in prior of (x)?7 year ago
So, you can estimate this together follows:<15^2x = 36><15^x*15^x = 36><15^x = sqrt36><15^x = 6><15^1/2 = sqrt15 approx sqrt16 = 4>so it needs to be bigger 보다 1/2 and also smaller 보다 1. You could try 2/3:<15^2/3 = sqrt<3>15^2>and due to the fact that <15^2 = 225> and <6^3 = 216>that means that <15^2/3approx 6>and the guess: v of (x = 2/3) is quite close!7 years ago
or, if you"re favor me, and memorized a grasp of logarithms:<15^2x = 36>
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