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OpenStudy (anonymous):
\[-e ^{6-9p}+5=-48.4\]
OpenStudy (anonymous):
subtract 5
change the sign of both sides
take the log
OpenStudy (mertsj):
1. Subtract 5 from both sides.
2. Multiply both sides by -1
3. Take the ln of both sides
4. Use the property lne^x=xlne on the left side.
5. Recall that lne=1
6. Subtract 6 from both sides.
7. Divide both sides by -9
OpenStudy (anonymous):
how we are getting -1
OpenStudy (anonymous):
can you show me this little bit in numbers like these wordings are making me confuse
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OpenStudy (mertsj):
-e means -1(e)
OpenStudy (mertsj):
Just take 1 step at a time. You can surely understand what subtract 5 from both sides means.
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
but when we ll going to multiply both sides by -1 isnt it going to give me 9 not -9?
OpenStudy (anonymous):
bcoz the answer I m getting is 6.6
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OpenStudy (anonymous):
\[-e ^{6-9p}+5=-48.4\]
\[-e^{6-9p}=-53.8\]
\[e^{6-9p}=53.8\]
\[6-9p=\ln(53.8)\]
\[-9p=\ln(53.8)-6\]
\[p=\frac{\ln(53.8)-6}{-9}\] then a calculator
OpenStudy (anonymous):
if you dont mind can you help me with one more question please?