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help-10
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Jamesz
03/20/2022 08:03:07
.close
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肖恩
03/20/2022 08:13:15
Id like to ask for help on explaining how the result was achieved
https://cdn.discordapp.c…t_8.12.52_pm.png
Screen_Shot_2022-03-20_at_8.12.52_pm.png
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肖恩
03/20/2022 08:14:06
according to desmos, turning point should be 3, but following the equations my lecturer has taught, i cant seem to reach what desmos suggests
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dilog
03/20/2022 08:22:15
okay so
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dilog
03/20/2022 08:22:21
the problem is already written in vertex form
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help-10
5019702c525647b59a1108ac28b5dbd6
392,567,967,034,114,050
dilog
03/20/2022 08:22:33
meaning that the turning point is already stated in the equation
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dilog
03/20/2022 08:22:58
https://cdn.discordapp.c…f-parabola-1.png
vertex-of-parabola-1.png
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dilog
03/20/2022 08:24:00
I'm just writing it down the given information for you, to try and make it easier ```md a = 1 [you can ignore this because it doesn't impact your turning point] h = 3 k = 4 ```
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dilog
03/20/2022 08:24:53
As you have the (h,k), you can just input the variables and there is your answer
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dilog
03/20/2022 08:24:54
I hope this helps
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dilog
03/20/2022 08:29:34
@肖恩
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肖恩
03/20/2022 08:47:00
thanks for answer, but could you explain the thinking behind this?
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肖恩
03/20/2022 08:47:18
as i want to learn how it works
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flush
03/20/2022 09:44:29
I have no idea how to even plot this figure
https://cdn.discordapp.c…0965/unknown.png
unknown.png
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help-10
161f4dbcd54e4d989bcf210cd80591f1
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flush
03/20/2022 09:44:39
We are using maple as cad but anything else goes aswell
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help-10
161f4dbcd54e4d989bcf210cd80591f1
392,341,051,794,391,040
Navix
03/20/2022 09:53:20
you want to construct parametrisations for these 4 components
https://cdn.discordapp.c…9053/unknown.png
unknown.png
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help-10
161f4dbcd54e4d989bcf210cd80591f1
392,341,051,794,391,040
Navix
03/20/2022 09:53:56
so first think about where to put your coordinate origin
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help-10
161f4dbcd54e4d989bcf210cd80591f1
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Navix
03/20/2022 09:55:37
then, note down the measurements for these components
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help-10
161f4dbcd54e4d989bcf210cd80591f1
392,341,051,794,391,040
Navix
03/20/2022 09:58:10
(maple also has a nice function for 3d cylinder plots: https://www.maplesoft.com/support/help/Maple/view.aspx?path=plottools%2Fcylinder)
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octocube360
03/20/2022 10:31:23
I have met with this symbol a couple of times in some functions and formulas and I have absolutely no idea what it means
https://cdn.discordapp.c…858/IMG_2565.png
IMG_2565.png
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help-10
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536,132,182,654,058,500
doktor za narodnu muziku
03/20/2022 10:31:50
integral over some area
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help-10
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octocube360
03/20/2022 10:39:16
Doesn’t that mean that it is equal to the area under a function graph?
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help-10
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octocube360
03/20/2022 10:39:41
And what does a function graph has to do with a physics formula for example?
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help-10
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xihiro
03/20/2022 10:40:48
maybe check khan academy videos on introduction to integrals and such
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Remavas
03/20/2022 10:40:51
An integral is much more than "just the area under a graph".
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help-10
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octocube360
03/20/2022 10:42:23
Hm ok
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xihiro
03/20/2022 10:46:08
I mean, we can explain it, but it's more time wasted on a subject that is likely already well explained there
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octocube360
03/20/2022 10:53:33
I know, I’m going to watch it
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肖恩
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octocube360
03/20/2022 10:55:48
.close
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bluejays123
03/20/2022 11:01:50
https://cdn.discordapp.c…A32B76D610AC.jpg
CAF49E8F-AF1E-4381-A553-A32B76D610AC.jpg
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bluejays123
03/20/2022 11:01:53
Question 13
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bluejays123
03/20/2022 11:01:57
I need help plz
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xihiro
03/20/2022 11:02:33
really? I thought you just wanted to share a nice pic of a book
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bluejays123
03/20/2022 11:02:55
Lol
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xihiro
03/20/2022 11:04:25
have you tried making a drawing?
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bluejays123
03/20/2022 11:04:47
Yea hold on
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bluejays123
03/20/2022 11:05:28
https://cdn.discordapp.c…A83C35DDCC65.jpg
ABA81B54-DE23-4A68-8972-A83C35DDCC65.jpg
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bluejays123
03/20/2022 11:05:53
The 10 and the 100 dont matter as long as the distance is 10x longer thsn earth to soace
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help-10
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xihiro
03/20/2022 11:08:04
well
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:08:10
dont use 10 and 100
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:08:20
X and 10x?
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help-10
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xihiro
03/20/2022 11:08:23
yes
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help-10
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Remavas
03/20/2022 11:08:32
Never assume things for no reason
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xihiro
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bluejays123
03/20/2022 11:08:51
But as long as its 10x does it matter the values i put
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bluejays123
03/20/2022 11:09:04
Since its same ratios
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:09:20
but the teacher will be mad
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help-10
a0b735bddf48401e9e86a213836dd4df
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Remavas
03/20/2022 11:09:44
And also, you can show that the answer will not depend on x in that case
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:09:51
Yeah
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help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:09:52
So you gain more generality
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:10:00
Should i put 10 and 100 then
1
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help-10
a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:10:06
NO!
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:10:15
Okoo
1
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:10:22
Whats the next step herep
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:10:25
Im completely lost
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:11:43
Am i trying to find angle space
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:12:06
what mathematical things do you know that involve triangles and angles?
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:12:18
Cosine and sine
1
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a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:12:23
good
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:12:34
When i tried everytjing with 100 and 10 tho i was completly of
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:12:57
which angle do you want to find, there?
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a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:12:59
Is my drawing schematically correct
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Remavas
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xihiro
03/20/2022 11:13:08
yes
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xihiro
03/20/2022 11:13:18
though I interpreted the angles the other way around
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:24
Ohhh
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:13:25
but you're likely right
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a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:26
Wait
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a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:33
Am i trying yo find angle at jupitor
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help-10
a0b735bddf48401e9e86a213836dd4df
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xihiro
03/20/2022 11:13:39
yes
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:13:40
Ohh
1
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a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:42
Ok
1
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help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:13:52
Now i can use random nimber for x right
1
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:57
Or else its impossible to sllvr
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:13:59
Ofc
1
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a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:14:00
no
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a0b735bddf48401e9e86a213836dd4df
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Remavas
03/20/2022 11:14:01
or you could just
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help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:14:02
use x
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help-10
a0b735bddf48401e9e86a213836dd4df
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Remavas
03/20/2022 11:14:09
And not lose any generality
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help-10
a0b735bddf48401e9e86a213836dd4df
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bluejays123
03/20/2022 11:14:22
The book gave exact answer at the back
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a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:14:25
as you said, the ratios are the same, so your answer probably won't depend on x
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1
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null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:14:33
so work it out first
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1
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null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:14:39
Ok
1
0
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null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:06
I got 3.488 and its right
1
0
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null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:24
I just usdd 10 and 100
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0
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null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:31
@xihiro @Remavas thank you for the help
1
0
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null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:31
@xihiro @Remavas thank you for the help
1
0
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:16:32
**sigh**
0
1
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:16:35
-__-
0
1
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:45
Its what the book got aswell
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0
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null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:53
So they wanted us to assume a value
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0
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null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:16:56
doesn't matter
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1
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:16:57
Since its doesnt matter
1
0
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
714,186,370,934,898,700
xihiro
03/20/2022 11:17:02
should've used x
0
1
null
null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:17:02
If I were grading our hw, I'd knock off some points
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1
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null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:17:05
for assuming x=10
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1
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null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:17:19
But if i dont assume a value i cant get a exact angle @Remavas
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0
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null
null
null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:17:27
how so
0
1
373,884,980,977,336,300
Remavas
3737
Remavas
false
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:17:36
Cause theres no equals
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null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:17:57
Do the same as you did with the 100 and 10
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1
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null
null
1,366
help-10
a0b735bddf48401e9e86a213836dd4df
921,919,111,376,806,000
bluejays123
03/20/2022 11:17:57
@Remavas could u show me how you would solve it not assuming x
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0
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1,366
help-10
a0b735bddf48401e9e86a213836dd4df
373,884,980,977,336,300
Remavas
03/20/2022 11:18:03
But with x and 10x instead
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