simplify: 7lnx=4?

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2006-11-15 14:17:10 · 3 answers · asked by z28blue 1 in Science & Mathematics ➔ Mathematics

7*ln(x)=4
ln(x)=4/7
x=e^(4/7)
x=1,77079

2006-11-15 14:23:31 · answer #1 · answered by darkskaners 3 · 0⤊ 0⤋

7lnx=4 ?

4 Divided by 7 =

0.57142857142857142857142857142857

so,
7lnx = 0.57142857142857142857142857142857

2006-11-15 14:24:33 · answer #2 · answered by Leslie G 1 · 0⤊ 1⤋

x = e ^(4/7)

Proof:
7 ln x = 4
ln x = 4/7
ln x = (4/7) ln e ......since ln e=1
ln x = ln e^(4/7)
x = e^(4/7)

2006-11-15 14:23:29 · answer #3 · answered by Sergio__ 7 · 0⤊ 0⤋