SOLUTION: Please show how to solve:
Log base10(n^2 – 90n) = 3
Thank you
Algebra.Com
Question 735204: Please show how to solve:
Log base10(n^2 – 90n) = 3
Thank you
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
we have the following
log base 10 (n^2 - 90n) = 3
first take log base 10 of both sides of equal sign and we have,
n^2 - 90n = log base 10 (3) = .48
use quadratic formula and we get (note that b is --90 or 90)
n=(90+square root (90^2-4*1*-.48)) / 2 = 90
=(90-square root (90^2-4*1*-.48)) / 2 = 0
RELATED QUESTIONS
How do I solve the following for x?
log(base2)9 / log(base2)3 = log(base2)2x
I tried... (answered by lwsshak3)
Solve for x:
log(base10)8 - 1/3log(base10)x = log(base10)2
I would really appreciate... (answered by Earlsdon)
please help me solve this equation {{{ log base10(x+9)=1+log base10(x+1)-log base10(x-2)... (answered by Alan3354)
Evaluate the logarithmic expressions please explain:
{{{log((base14))^((14))^((11))}}}
(answered by ewatrrr)
log base10 (2) = x, log base10 (3)=y, log base10... (answered by Alan3354)
Please help me find the inverse to this equation: y=6+log(base10)of x. I've gotten to... (answered by jsmallt9)
solve for x... (answered by ewatrrr)
Please help me solve this equation: log(n)=log(n+10)-log(3 n). I have tried to solve it... (answered by Alan3354)
Solve for x:
log (5x+ 6) = log (x-3)
Please show me how you did it too. Thank... (answered by josgarithmetic,MathLover1,MathTherapy,greenestamps)