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205,798
help-1
76f7a1cc319344499bc67bf7e3f7023e
366,576,372,203,651,100
Xavier
12/23/2021 22:26:11
@Helpers
1
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help-1
76f7a1cc319344499bc67bf7e3f7023e
366,576,372,203,651,100
Xavier
12/23/2021 22:32:35
.close
1
0
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help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:03:43
https://cdn.discordapp.c…46442/image0.jpg
image0.jpg
1
0
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help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:03:48
haha why is this wrong?
1
0
null
null
null
null
null
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help-1
9ba804b847e947e6b367928e7a82a390
179,622,041,505,366,000
Solon
01/31/2022 11:06:57
What does allow you to do `ln F(x) = Int ln(...)` ?
0
1
541,081,246,252,531,700
nals
3582
nals
false
205,799
help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:07:56
I have no idea lol
1
0
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null
null
null
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help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:08:16
I thought we could because we use ln to differentiate uhh
1
0
null
null
null
null
null
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help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:08:22
total differentiation qs?
1
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nals
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nals
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help-1
9ba804b847e947e6b367928e7a82a390
179,622,041,505,366,000
Solon
01/31/2022 11:08:45
How ?
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help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:09:28
I forgot but I recall using it.
1
0
null
null
null
null
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help-1
9ba804b847e947e6b367928e7a82a390
179,622,041,505,366,000
Solon
01/31/2022 11:09:50
Well, you cannot do what you did here
0
1
null
null
null
null
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help-1
9ba804b847e947e6b367928e7a82a390
179,622,041,505,366,000
Solon
01/31/2022 11:10:20
Applying `ln` to an integral is _not_ the same as applying `ln` to the integrated function
0
1
null
null
null
null
null
205,799
help-1
9ba804b847e947e6b367928e7a82a390
852,592,874,754,932,700
CoffeePls
01/31/2022 11:11:21
Okay.
1
0
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:30:30
Any help here? I'm getting T --> infinity only when time --> -infinity, which doesnt make sense
https://cdn.discordapp.c…_11.29.17_AM.png
Screen_Shot_2022-01-31_at_11.29.17_AM.png
1
0
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null
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help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:30:49
I think the main problem I'm getting is coming from the integral
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:31:04
since I dont know if you have to use absolute values here or not
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
179,622,041,505,366,000
Solon
01/31/2022 11:31:24
Show your work
0
1
null
null
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:32:29
one sec
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:32:43
https://cdn.discordapp.c…136/IMG_0458.jpg
IMG_0458.jpg
1
0
null
null
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:33:39
https://cdn.discordapp.c…_11.33.31_AM.png
Screen_Shot_2022-01-31_at_11.33.31_AM.png
1
0
null
null
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:38:23
@Helpers
1
0
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:44:35
$\dd{t} = \frac{\dd{T}}{e^T-h}$
0
1
569,167,697,925,898,240
Camilleone
1596
Camilleone
false
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:44:37
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:48:04
does the ansswer involve absolute values
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:48:25
$ht=-\ln \qty|\frac{1-he^{-T}}{1-h}|$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:50:51
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:51:17
hmmmmm
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 11:51:22
i didnt get that
1
0
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:51:30
I thought so
0
1
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null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:51:31
wait
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:52:24
the problem is with how you integrated
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:53:13
$\int \frac{\dd{T}}{e^T-h} = \int \frac{e^{-T}\dd{T}}{1-he^{-T}}$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:53:16
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:54:07
$=\frac{1}{h} \int \frac{\dd{(1-he^{-T})}}{1-he^{-T}}$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:54:09
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:54:50
$=\frac{ln|1-he^{-T}|}{h}$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:54:53
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:55:40
So, your $\Delta ht = \ln \qty|\frac{1-he^{-T}}{1-h}|$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:55:43
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:57:15
So you have, as $T \to \infty$, ignition time $t = -\frac{1}{h} \ln |1-h|$
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
510,789,298,321,096,700
TeXit
01/31/2022 11:58:15
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 11:58:32
figure the condition on h :O
0
1
null
null
null
null
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205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:09:07
how did you get this
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:09:15
from ln(1-he^-T)
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:18:34
how did you get this from ln(1-he^-T)
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:19:50
my question is
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:19:54
how were you able to do that
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:19:58
and combine the absolute values
1
0
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
239,571,360,169,459,700
ykj3
01/31/2022 12:20:38
and after this, how would you isolate T? @Ansh_
1
0
null
null
null
null
null
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help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:52:39
Did you get the steps till here?
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:53:35
All I did was simplify the dT/dt = e^T - h And, integrate the right side till this step you're talking about
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:54:17
The next step was to put the limits down and get an expression: ( t - 0 ) = the integral value at T - integral value at T(0)
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:55:28
since ln |a| - ln |b| = ln (|a|/|b|), I was able to combine the absolute values as: ln(|a/b|)
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:56:25
the question asks not to isolate "T" but to determine the "t" when T tends to +infinity
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:57:14
As such, you can just put e^(-T) part of the integral to be "0" [why?] And you'll have an equation in "t" and "h"
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:57:41
the other part of your question is to determine a condition on "h" for which the ignition actually occurs so...
0
1
null
null
null
null
null
205,800
help-1
56fad1cd1b3c451aa125875122ae1971
706,934,233,012,371,600
Ansh_
01/31/2022 12:58:16
that I'll leave for you to figure unless you ping me back after understanding every step until that point :o
0
1
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205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:23:42
https://cdn.discordapp.c…_10.23.05_AM.png
Screen_Shot_2022-01-31_at_10.23.05_AM.png
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:23:42
https://cdn.discordapp.c…_10.23.10_AM.png
Screen_Shot_2022-01-31_at_10.23.10_AM.png
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:24:02
I need to find the range of possible values for each variable
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:24:12
but im unsure on how to do this or even where to start
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:25:05
please help! ty
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
456,226,577,798,135,800
Deleted User
01/31/2022 13:25:31
How do i solve this?
https://cdn.discordapp.c…092/IMG_2386.png
IMG_2386.png
0
1
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
456,226,577,798,135,800
Deleted User
01/31/2022 13:28:12
Don't just post it everywhere see #❓how-to-get-help
0
1
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null
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205,801
help-1
352455a904034ae098ec10bf9853d9af
456,226,577,798,135,800
Deleted User
01/31/2022 13:29:08
Ok
0
1
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help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:32:05
@Helpers im very sorry ik its not 15 minutes yet
1
0
null
null
null
null
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205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:32:12
but
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:32:18
all my problems
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:32:21
are simular to this
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:32:24
and i wish to advance more
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
261,933,205,387,477,000
riemann
01/31/2022 13:33:21
being impatient isn't going to help you faster
0
1
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205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:33:48
im sorry im not trying to be impatient its that i have a lot of study material to go through and i wish to finish studying this section
1
0
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
679,416,081,755,930,600
FataIrommel
01/31/2022 13:33:57
i apologize
1
0
701,895,792,763,600,900
s_chanch
2633
s_chanch
false
205,801
help-1
352455a904034ae098ec10bf9853d9af
261,933,205,387,477,000
riemann
01/31/2022 13:36:53
then go study something else first and come back
0
1
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null
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205,801
help-1
352455a904034ae098ec10bf9853d9af
244,129,917,732,651,000
Deus_Vult
01/31/2022 13:40:22
a _range_ of possible values ?
0
1
null
null
null
null
null
205,801
help-1
352455a904034ae098ec10bf9853d9af
244,129,917,732,651,000
Deus_Vult
01/31/2022 13:41:28
to solve for x i would start off by defining all relevant angles in terms of x, and come up with an equation
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:56:32
https://cdn.discordapp.c…BC2F3A0FB4AD.jpg
B6302C01-303B-4B9C-A264-BC2F3A0FB4AD.jpg
1
0
261,933,205,387,477,000
riemann
2529
riemann
false
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:56:49
confused on all the steps
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:56:53
i understand g(-8) is -10
1
0
701,895,792,763,600,900
s_chanch
2633
s_chanch
false
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:57:09
confused on the 2f(-3) part
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:57:24
what part confuses you?
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:57:29
not sure what to plug in
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:57:34
-3?
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:57:43
plug in -3 to f(x)
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:57:46
get a value
0
1
701,895,792,763,600,900
s_chanch
2633
s_chanch
false
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:57:59
then multiply answer by 2?
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:58:05
yes
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:58:41
ok i got -26 for that
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:58:47
the same logic in g(f(2a)) except that you're using a constant in that case
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:58:47
most confusing part last step
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:58:51
so
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:58:57
plug 2a into f first?
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 14:59:00
then plug that answer into g?
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:59:01
yes
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
541,800,010,115,711,000
Ebelknight
01/31/2022 14:59:06
yep
0
1
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 15:00:08
ahh kk got it
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 15:00:28
ty
1
0
null
null
null
null
null
205,802
help-1
412fba52ff2d46b0bb9457a4915b0dce
456,226,577,798,135,800
Deleted User
01/31/2022 15:00:55
.close
1
0
null
null
null
null
null
205,803
help-1
df7dbbca0e924dba97adf430b794813e
921,827,858,026,995,800
Mahdi M.
01/31/2022 15:24:00
Hi
1
0
null
null
null
null
null
205,803
help-1
df7dbbca0e924dba97adf430b794813e
921,827,858,026,995,800
Mahdi M.
01/31/2022 15:24:26
Please what is the name of this lesson?
https://cdn.discordapp.c…2706/unknown.png
unknown.png
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