SOLUTION: These 3 problems are from a worksheet, not a textbook, and I so desperately need them solved within the next hour, if possible. I tried and cannot work them out. Thanks!
1.Sol
Algebra.Com
Question 110268: These 3 problems are from a worksheet, not a textbook, and I so desperately need them solved within the next hour, if possible. I tried and cannot work them out. Thanks!
1.Solve the following exponential equation. Your solution should be accurate to 2 decimal places.
41/(1-1e^7x) = 56
2. Solve the following exponential equation. Your solution should be accurate to 2 decimal places.
5e^-5 + 5 = 7
3. Solve the following logarithmic equation. Your solution should be accurate to 2 decimal places.
ln(x-4) + ln(7) = 4
Thank you very much for your help with this tonight.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
1) 41/56=1-1e^7x
41/56-1=-1e^7x
15/56=e^7x
ln(15/56)=7x
(ln(15/56))/7=x
2) no unknown
3) (x-4)7=e^4
x-4=(e^4)/7
x=((e^4)/7)+4
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