2006-06-15 18:35:56 · 7 answers · asked by Jane D 1 in Science & Mathematics ➔ Mathematics
2 log 9x = 4.8
Divide by 2: log 9x = 2.4
Use defn of log: 9x = 10^2.4 = 251.19
Divide by 9: x = 27.91
2006-06-15 20:30:44 · answer #1 · answered by beekay36 2 · 0⤊ 0⤋
D. the appropriate answer is 260.a million, which will no longer be rounded to the closest hundreth, even even though it form of feels to be the only logical answer pondering each and every thing else is a hundred+ off the unquestionably answer.
2016-12-08 09:36:37 · answer #2 · answered by ? 3 · 0⤊ 0⤋
2log9x=4.8
log(9x)^2=4.8
log81x^2=4.8
Assuming there's a base of 10:
10^4.8=81x^2
63095.7=81x^2
778.959=x^2
x=27.91
2006-06-16 05:15:41 · answer #3 · answered by V. G 1 · 0⤊ 0⤋
if the base is 10
2log9x=4.8
or log (3*3*x)=2.4
or 2log3+logx = 2.4
or logx= 2.4 - 2*0.47713
or log x= 1.44574
or x = antilog(1.44574)
or x = 27.9 (approx)
2006-06-15 20:40:55 · answer #4 · answered by payal_kothari_acclaris 2 · 0⤊ 0⤋
2log(9)x = 4.8
log(9)(x^2) = 4.8
(log(x^2))/(log9) = 4.8
log(x^2) = 4.8 * log9
x^2 = 10^(4.8 * log9)
x = sqrt(10^(4.8 * log9))
x = 195.07
ANS : 195.07
2006-06-16 03:34:27 · answer #5 · answered by Sherman81 6 · 0⤊ 0⤋
weird
2006-06-15 18:38:24 · answer #6 · answered by Ola A 1 · 0⤊ 0⤋
1.772
2006-06-15 18:39:09 · answer #7 · answered by Alias Anarchist 3 · 0⤊ 0⤋