Split (1)

train · 116k rows

role stringclasses 2 values	content stringlengths 0 2.1k	session_id int64 10 21.7k	sequence_id int64 0 2.38k	annotations listlengths 0 8
volunteer	I'm going to insert an image to help visualize it!	17,835	48	[]
student	ok	17,835	49	[]
student	I see it	17,835	50	[]
volunteer	Ok!	17,835	51	[]
volunteer	Does it make sense to you?	17,835	52	[]
student	yes	17,835	53	[]
volunteer	So for the first question, you can say we'll be using the law of cosines	17,835	54	[]
volunteer	Then to find the angles!	17,835	55	[]
student	ok	17,835	56	[]
volunteer	Can you try plugging m<A into the formula?	17,835	57	[]
student	um sure	17,835	58	[]
student	15^2 = 15^2 + 17^2 ?	17,835	59	[]
student	I don't know if that's even correct	17,835	60	[]
volunteer	To make it easier, I'm going to show how the angles and sides on your triangle align to the one in the picture, because it's really difficult to tell right now	17,835	61	[]
volunteer	And then we can do it together!	17,835	62	[]
volunteer	I'm just going to rotate your triangle so it looks like the one in the picture	17,835	63	[]
student	well doesn't 14 in line with B on the picture and 15 in with a and 17 in with c	17,835	64	[]
student	oh I was way off	17,835	65	[]
volunteer	Haha, I hope this picture helps a little!	17,835	66	[]
student	it does for sure	17,835	67	[]
volunteer	So now, do you want to try plugging in again?	17,835	68	[]
student	yea	17,835	69	[]
student	17^2= 15^2 + 14^2 - 2(1514) cos (A)?	17,835	70	[]
volunteer	Ok, perfect!	17,835	71	[]
volunteer	Now, let's use a calculator to multiply out all the squares and do the multiplication!	17,835	72	[]
student	ok	17,835	73	[]
student	17^2 = 289	17,835	74	[]
student	15^2= 225	17,835	75	[]
student	14^2=196	17,835	76	[]
student	so that would	17,835	77	[]
student	289 = 225 + 196 - 2( 1514) cos(A)	17,835	78	[]
student	is that right	17,835	79	[]
volunteer	Hold on! I'm so sorry, I gave you the regular Law of Cosines. Since we only have the three sides, we have to reformulate that into an equation I'll write on the screen. All that work is correct and we'll still be using it!	17,835	80	[]
student	ok	17,835	81	[]
volunteer	This is in order to find the cosines that we need to insert into the equation!	17,835	82	[]
student	oh ok	17,835	83	[]
volunteer	So your work is still correct	17,835	84	[]
volunteer	But now we need to calculate cos(A) to put it in the equation	17,835	85	[]
student	so Cos ( C) = 17^2 + 15^2 - 14^2/ 2(17*15)	17,835	86	[]
volunteer	you originally wrote 17^2 = 15^2 + 14^2 - 2(1514)cos(A)	17,835	87	[]
volunteer	And that was correct, there no need to change it!	17,835	88	[]
student	oh	17,835	89	[]
volunteer	But using these new equations, we can find cos(A) to substitute it into that equation	17,835	90	[]
student	so then I can continue solving it then	17,835	91	[]
volunteer	So now let's use the equation for cos (A)	17,835	92	[]
volunteer	yes!	17,835	93	[]
volunteer	so cos(A) is (b^2 + c^2 - a^2)/2bc	17,835	94	[]
volunteer	or (225+196-289)/2(210)	17,835	95	[]
volunteer	does that make sense?	17,835	96	[]
student	yes	17,835	97	[]
volunteer	Can you finish doing that out, please?	17,835	98	[]
student	sure	17,835	99	[]
student	I need to solve ( 225+196-289)/1(210)? or the other one	17,835	100	[]
volunteer	Sorry, yes, please solve that equation you just wrote	17,835	101	[]
volunteer	That equation will give you cos(A), which you can then plug into the first equation	17,835	102	[]
student	ok, just double checking	17,835	103	[]
volunteer	Sure!	17,835	104	[]
student	11/35	17,835	105	[]
volunteer	Perfect job, amazing work!	17,835	106	[]
student	yay	17,835	107	[]
volunteer	Now, we plug that into the earlier equation	17,835	108	[]
volunteer	Wait, I'm so sorry, I have to go now, but I think you understand the problem, right?	17,835	109	[]
student	yes thank u for ur help	17,835	110	[]
volunteer	Ok, glad I could help! Good luck with the rest of your work!	17,835	111	[]
volunteer	Hi!	17,829	0	[]
volunteer	How are you doing?	17,829	1	[]
student	Fine	17,829	2	[]
volunteer	Great!	17,829	3	[]
volunteer	How can I help you?	17,829	4	[]
student	Need help with my assignment my problems have two variables and I have to solve for one	17,829	5	[]
volunteer	Ok	17,829	6	[]
volunteer	can you upload the question	17,829	7	[]
volunteer	or copy and paste the question?	17,829	8	[]
volunteer	Hello?	17,829	9	[]
volunteer	Are you still there?	17,829	10	[]
student	Yes	17,829	11	[]
volunteer	Ok	17,829	12	[]
student	20=5x+10y	17,829	13	[]
student	And I got 2-5x over 5 = y	17,829	14	[]
student	Am I correct?	17,829	15	[]
volunteer	I'm going to solve it to check.	17,829	16	[]
student	Ok	17,829	17	[]
student	You done?	17,829	18	[]
volunteer	Not yet	17,829	19	[]
volunteer	Sorry	17,829	20	[]
student	Ok	17,829	21	[]
volunteer	I wrote my answer on the board	17,829	22	[]
student	Ok	17,829	23	[]
student	So I forgot to simplify it	17,829	24	[]
volunteer	Yea	17,829	25	[]
student	Ok	17,829	26	[]
volunteer	So do you get the concept	17,829	27	[]
volunteer	Or should I explain it.	17,829	28	[]
student	Yes I get the concept	17,829	29	[]
student	Thank you	17,829	30	[]
volunteer	Thats awesome!	17,829	31	[]
volunteer	Do you need help with any other questions or topics?	17,829	32	[]
student	No not right now	17,829	33	[]
volunteer	Ok.	17,829	34	[]
student	Bye	17,829	35	[]

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