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help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:50:34
letter, letter, letter, digit digit digit, digit, letter is that it?!
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:50:42
No, they need to alternate.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:50:59
Which means to switch back and forth each item in the sequence.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:51:04
So, LDLD is correct.
0
1
289,821,695,265,472,500
Morgan Freeman
4218
Morgan Freeman
false
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:51:08
But there's one more that's correct.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:51:41
DLDL?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:51:45
Good.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:51:53
So, how many digits are there to pick from?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:53:12
2 from each sequence given (?)
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:53:31
No, what does the problem say about how many letters there are to pick from?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:54:31
3 letters same with digits
1
0
444,775,793,625,661,440
yushi;
1864
yushi;
false
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:54:54
OK, so for LDLD, you have 3 letters, 3 digits, 3 letters, 3 digits to choose from.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:08
Does that make sense?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:55:17
mhm yeah
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:17
You pick the first letter from your three available letters.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:27
You pick the first digit from the three available digits.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:37
You pick the second letter from the three.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:43
You pick the second digit from the three.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:55:53
So, how many LDLD combinations?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:56:21
6?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:56:27
Why 6?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:57:03
1st ltr, 1st digit, 2nd ltr, 2nd digit, and so on which are two so 6? thats how i assumed to get 6
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:57:20
OK, let's go over the combinations.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:57:33
Letters: D, E, F Digits: 1, 2, 3
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:57:53
D1D1 D1D2 D1D3 D1E1 D1E2 D1E3 D1F1 ⋮
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:58:31
So, there are more than 6.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:58:51
wait soo
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 13:59:46
3^4 ?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:59:52
Yes, that's right.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 13:59:56
243.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:00:04
oof so im gonna list all of them then
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:00:05
So, what about DLDL?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:00:12
No, you don't need to list them.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:00:18
It only asks how many there are.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:00:26
You know how many LDLD there are.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:00:53
i have to since it says here 'State your possible outcomes by systematic listing' so i suppose it's the one u did?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:01:01
or
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:01:03
am i wrong
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:01:26
Does that maybe apply to other problems before this, like another section of problems that this one isn't in?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:01:27
oh wait nvm i dont need to list
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:01:46
Listing 243 different ones will take a while.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:01:50
it's in the section where it asks
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:02:08
yeah i had to do the same with the grid table earlier with 4 given values it was time consuming
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:02:20
It's good to do a few problems like that.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:02:28
It gives you a picture of what's going on.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:02:44
Like when I showed there were more than 6, you then figured out that you multiply 3 with itself 4 times.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:02:52
yupp
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:03:11
so going back we have 243 combis for DLDL
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:03:22
do i just multiply 243 by 2?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:03:25
Yes.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:03:57
so my answer for c is my outcome for 243x2?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:04:00
On some of these problems, like when you get into probability, leave it unmultiplied so that you can easily cancel common factors in the numerator and denominator.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:04:15
So, you'd write 2 · 3⁴ in a fraction.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:04:19
got it
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:04:26
But here, you can do the multiplication.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:04:31
And get 486.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:04:57
so what abt B how do i determine the first and last figures r digits and the figures in the middle is the letter D
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:05:12
Let's list a few of them to get the idea.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:05:43
So, the first few might be: 1DD1 1DD2 1DD3 2DD1 ⋮
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:06:02
So, how many of those will there be?
0
1
537,482,727,557,955,600
Chai T. Rex
7323
Chai T. Rex
false
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:06:11
uhh
1
0
537,482,727,557,955,600
Chai T. Rex
7323
Chai T. Rex
false
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:06:29
27?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:06:38
Almost.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:06:55
How many choices for the first thing?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:07:00
3
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:07:02
How many choices for the second character?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:07:14
3 still
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:07:24
What do the middle characters have to be?
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:07:27
D
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:07:34
Right, that's only 1 to choose from.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:07:47
So, 3 · 1 ⋯
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:07:54
What about the last two characters?
0
1
537,482,727,557,955,600
Chai T. Rex
7323
Chai T. Rex
false
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:08:29
i have no iea what chars ur mentioning AHH
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:08:46
hm
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:09:02
Well, a character is just some symbol you write, like a letter or a digit or a space or punctuation mark.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:09:11
So, 1DD1 has four characters.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:09:14
oh wait it's D and (digit) so 2?
1
0
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:09:23
Not quite.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:09:29
Let's do this.
0
1
null
null
null
null
null
1,397
help-10
dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:09:53
Let's say you can pick from Q, R, S for the first character and 1, 2 for the second character and 4, 5 for the third.
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dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:10:02
mhm
1
0
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:10:03
So, let's list all of those out.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:10:49
Q14 Q15 Q24 Q25 R14 R15 R24 R25 S14 S15 S24 S25
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:11:00
So, there are 12 of them, but there's a pattern here.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:11:31
See how the 4 and 5 are attached to each possible combination of the first two characters?
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dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:11:35
yup
1
0
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:11:42
Like Q1 has 4 and 5. Q2 has 4 and 5.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:11:49
So, the last character multiplies everything by 2.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:12:12
Q1 Q2 R1 R2 S1 S2
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:12:36
Like those 6, combined with two choices on the third gives 6 · 2 choices in total.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:12:41
And the same thing here.
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dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:13:13
mhm yeah
1
0
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:13:17
The number of first characters is doubled so that you can get each of the different combinations with the second character.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:13:22
So, 3 · 2.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:13:31
So, altogether, you have 3 · 2 · 2.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:13:38
Do you see why?
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:14:02
We can try another way if you don't quite see it.
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dd13018eab3d4f7b82e5651becd34b1f
444,775,793,625,661,440
yushi;
03/21/2022 14:14:42
it seems rather complicated im sorry 😔
1
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:14:47
OK, let's try it the other way.
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dd13018eab3d4f7b82e5651becd34b1f
537,482,727,557,955,600
Chai T. Rex
03/21/2022 14:14:51
Q R S
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