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Started By
Message
OT Math Question
Posted on 8/14/17 at 6:35 pm
Posted on 8/14/17 at 6:35 pm
A single cell splits once an hour. How many cells will there be in 7 hours?
I get 257 but can't figure out the formula.
1+ (2(2^7) is this correct?
I get 257 but can't figure out the formula.
1+ (2(2^7) is this correct?
7
Posted on 8/14/17 at 6:37 pm to theantiquetiger
Posted on 8/14/17 at 6:41 pm to theantiquetiger
There is always a trick that I don't get but my guess is 2^7 (2 to the 7th power).
1
in an hour 2
in another hour 4
etc to 7 hours = 128
Thank God it isn't another crappy parentheses problem.
1
in an hour 2
in another hour 4
etc to 7 hours = 128
Thank God it isn't another crappy parentheses problem.
Posted on 8/14/17 at 6:44 pm to gthog61
quote:
There is always a trick that I don't get but my guess is 2^7 (2 to the 7th power).
1
in an hour 2
in another hour 4
etc to 7 hours = 128
Thank God it isn't another crappy parentheses problem.
You are forgetting the ones before. After hour one you don't have 2, you have 3. After hour 2, you don't have 4, you have 7
Posted on 8/14/17 at 6:45 pm to theantiquetiger
Its just (1 x 2)^7, simplified to 2^7
Posted on 8/14/17 at 6:46 pm to theantiquetiger
What time does the 7 hour period start?
Posted on 8/14/17 at 6:46 pm to theantiquetiger
quote:
You are forgetting the ones before. After hour one you don't have 2, you have 3. After hour 2, you don't have 4, you have 7
Oh dear God.
Posted on 8/14/17 at 6:47 pm to theantiquetiger
quote:Nahhhh. You start with one and after one hour it splits into 2.
You are forgetting the ones before. After hour one you don't have 2, you have 3
Posted on 8/14/17 at 6:47 pm to theantiquetiger
quote:Ones? I thought you started with one. So after an hour, that one would split and you'd get 2, right?
You are forgetting the ones before.
Posted on 8/14/17 at 6:48 pm to anc
quote:
Oh dear God.
I just saw my typo
After hour one you have 2, after hour three, you have 6
Posted on 8/14/17 at 6:48 pm to theantiquetiger
quote:
After hour one you have 2, after hour three, you have 6
Posted on 8/14/17 at 6:49 pm to theantiquetiger
quote:
After hour one you have 2, after hour three, you have 6
You can educate ignorance.
You can medicate crazy.
But you can't do shite about stupidity.
Posted on 8/14/17 at 6:49 pm to theantiquetiger
12:00 - 1
1:00 - 2
2:00 - 4
3:00 - 8
4:00 - 16
5:00 - 32
6:00 - 64
7:00 - 128
2^t * s
t is doubling time
s is number of starting cells
Is that right?
1:00 - 2
2:00 - 4
3:00 - 8
4:00 - 16
5:00 - 32
6:00 - 64
7:00 - 128
2^t * s
t is doubling time
s is number of starting cells
Is that right?
Posted on 8/14/17 at 6:50 pm to theantiquetiger
quote:
You are forgetting the ones before. After hour one you don't have 2, you have 3. After hour 2, you don't have 4, you have 7
The cells split moron not produce 2 more.
Posted on 8/14/17 at 6:50 pm to theantiquetiger
How fast is the treadmill running?
Posted on 8/14/17 at 6:50 pm to theantiquetiger
Well frick, never mind, I'm thinking arse backwards. I'm thinking like the chess board question.
So it's simply 2^7?
So it's simply 2^7?
This post was edited on 8/14/17 at 6:52 pm
Posted on 8/14/17 at 7:01 pm to theantiquetiger
GOOD. GOD.
If you're not trolling, can you give me a recommendation on which color of lead paint tastes the best?
If you're not trolling, can you give me a recommendation on which color of lead paint tastes the best?
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