# math 12

i got the wrong answer from the back, and i know that imnot dooing it right. please try to help me on this hard question. THE ANSWER WAS:16

solve the equation: 3log(x-15)= (1/4)^x
i don't know how to solve it algerbrically. the teacher doesn't want us to solve it graphically. please help, THANK YOU.

1. I think that nobody knows how to solve it
algebraically.
If x=16 left side=0, right side=2.3*10^(-10)

posted by Mgraph

## Similar Questions

1. ### algebra

Solve for s in this equation. Depreciation. D=C-s/n This is my answer D-C=C-s/n-c D-C=-s/n -n(D-C)=-s/n*(-n) -nD+nC=s s=n(C-D) Please chack to see if this is correct Looks fine to me. A slightly shorter (by 2 lines) rearragement
2. ### Math help please *calculus*

ok im having a bit of a problem rationalizing denominators. i have 2 to the root of 3 +4 divided by the root of 3. I have tried multiplying the top and bottom by the root of 3 and the answer, but then i get stuck at this part. Do
3. ### Language Arts

“Train Tune” by - Louise Bogan Back through clouds Back through clearing Back through distance Back through silence Back through groves Back through garlands Back by rivers Back below mountains Back through lightning Back
4. ### maths, algebra

State the degree of each of the following: a)3 b)x^0 My answer for a) was: 1 My answer for b) was: 1 BUT at the back of the book, the answer for a) was 0. The answer for b) was also 0. I just don't understand why I'm wrong.
5. ### gr.10 math

could you please show me the steps to solve this equation?I looked at the answer in the back of our textbook but i keep getting the wrong answer. 5(2y+1)-(5y-2) answer=5y+7. thanks so much!
6. ### Math (putting the question back up, again)

- 5/8c = 20 Answer choices: 34 . -32 . -34 . 32 I keep getting -100, I think I'm multiplying something wrong. But my next answer would be -32 because if you did -8/5 x 20 it would equal -32,am I right? -12.8 = 4t *not multiple
7. ### MATH-STUCK :-(

I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I
8. ### MATH-Stuck :-(

I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I
9. ### Maths

Hi everyone. I've been struggling with the following maths question for a while and I'm not sure where I went wrong. 2(3x/5 - 1) = 10 and I need to solve for x I first tried turning everything into fractions over 5 but that gave
10. ### Math

If cos A = 1/3 with 0 < A< pi/2, and sinB=1/4, with pi/2<B<pi. calculate cos(A+B). My answer is (-sqrt15-2sqrt2)/12 But the back of the book says the answer is (-sqrt15+2sqrt2)/12 Am I wrong or the back? Please explain

More Similar Questions