I need some equations

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Anonymous
I need some equations 2017-02-06 12:44:38 Post No. 262178
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I need some equations Anonymous 2017-02-06 12:44:38 Post No. 262178 [Report]

I need the equation in the form of a(b)^x for the following. I don't need the answer, I already have it.
Suppose you have 30,000 bacteria in a petri dish. You know that the culture doubles every hour. How many bacteria did you have 5 hours ago?

Anonymous 2017-02-06 12:49:05 Post No.262179
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Anonymous 2017-02-06 12:49:05 Post No.262179 [Report]

>>262178
30000(1/2)^t
Where t = time.

Anonymous 2017-02-06 12:50:24 Post No.262181
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Anonymous 2017-02-06 12:50:24 Post No.262181 [Report]

>>262179
Actually 30000(2)^t then use -5 for t instead of 5.

OP 2017-02-06 12:51:54 Post No.262184
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OP 2017-02-06 12:51:54 Post No.262184 [Report]

>>262179
thanks. im fucking retreaded and cant do math for shit.

OP 2017-02-06 12:53:32 Post No.262187
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OP 2017-02-06 12:53:32 Post No.262187 [Report]

>>262181
nope, I already tried that.

Anonymous 2017-02-06 12:57:43 Post No.262190
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Anonymous 2017-02-06 12:57:43 Post No.262190 [Report]

>>262187
>>262181 is this same as >>262179, just inverted so that time isn't always assumed to be negative.

I need some equations

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I'm aware that Imgur.com will stop allowing adult images since 15th of May. I'm taking actions to backup as much data as possible.
Read more on this topic here - https://archived.moe/talk/thread/1694/