Grade 12Algebra
can anyone answer these questions? i couldn’t answer them and i think the highlighted answers are wrong
can anyone answer these questions? i couldn’t answer them and i think the highlighted answers are wrong
2 Answers
Saurabh Koranglekar
Dear student
27)
There are 30 distinct points total lines possible 30 c2 = 29*30/2= 435
28)
Case 1 one point from each line 5c1*10c1*15c1
Case 2 two points from one line and one point from remaining lines
(25*(5c2))+ 15*(15c2) + 20*(10c2)
Add both the cases
Regards
27)
There are 30 distinct points total lines possible 30 c2 = 29*30/2= 435
28)
Case 1 one point from each line 5c1*10c1*15c1
Case 2 two points from one line and one point from remaining lines
(25*(5c2))+ 15*(15c2) + 20*(10c2)
Add both the cases
Regards
Vikas TU
Dear student
Please ask only one question in a single thread.
It wil be easier for us to ans.
Hope you will understand.
Good Luck
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