hindi po ako may need, si ts po heheheECE grad po ako pero hindi pa nag take ng boards haha, kaya alam ko po yan haha
thanks for compliment hehe
paano mo po nakuha yung gitna?View attachment 640087
YAN PO ANG TAMANG SAGOT
Solution:
7 = B
20 = C + AC + BC + ABC
23 = A + AB + AC + ABC
5 = AB
8 = AC
14 = C + AC
15 = A + AC
15 = A + AC
15 = A + 8
A = 7
14 = C + AC
14 = C + 8
C = 6
20 = C + AC + BC + ABC
20 = 6 + 8 + BC + ABC
BC + ABC = 6 (equation #1)
23 = A + AB + AC + ABC
23 = 7 +5 + 8 + ABC
ABC = 3
from eq#1:
BC + ABC = 6
BC = 6 - 3
BC = 3
youre welcome po.
Note: ung 50 sa problems is ung number ng students na TINANONG. Hindi lahat ng students na tinanong eh kasali sa anumang organization, ung iba walang org, kaya ung total na number ng STUDENTS NA MAY ORG is 39 lang po Hindi na po need talaga sabihin ung 39 sa problems since ma solve naman kahit hindi need nun.
gagamitin lang ba yan na method pag wala pang givern sa gitna?View attachment 640087
YAN PO ANG TAMANG SAGOT
Solution:
7 = B
20 = C + AC + BC + ABC
23 = A + AB + AC + ABC
5 = AB
8 = AC
14 = C + AC
15 = A + AC
15 = A + AC
15 = A + 8
A = 7
14 = C + AC
14 = C + 8
C = 6
20 = C + AC + BC + ABC
20 = 6 + 8 + BC + ABC
BC + ABC = 6 (equation #1)
23 = A + AB + AC + ABC
23 = 7 +5 + 8 + ABC
ABC = 3
from eq#1:
BC + ABC = 6
BC = 6 - 3
BC = 3
youre welcome po.
Note: ung 50 sa problems is ung number ng students na TINANONG. Hindi lahat ng students na tinanong eh kasali sa anumang organization, ung iba walang org, kaya ung total na number ng STUDENTS NA MAY ORG is 39 lang po Hindi na po need talaga sabihin ung 39 sa problems since ma solve naman kahit hindi need nun.
Bilib na ako e HAHA may Google palatingin ko ito yung mali,
kasi dapat ganito mangyari
Set A has the elements a, d, e and g.
Set B has the elements b, d, g and f.
Set C has the elements e, g, f and c.
Both A and B have the elements d and g.
Both B and C have the elements g and f.
Both C and A have the elements e and g.
A, B and C all have the element g.
View attachment 639871
sabi ni google hehehe
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View attachment 640087
YAN PO ANG TAMANG SAGOT
Solution:
7 = B
20 = C + AC + BC + ABC
23 = A + AB + AC + ABC
5 = AB
8 = AC
14 = C + AC
15 = A + AC
15 = A + AC
15 = A + 8
A = 7
14 = C + AC
14 = C + 8
C = 6
20 = C + AC + BC + ABC
20 = 6 + 8 + BC + ABC
BC + ABC = 6 (equation #1)
23 = A + AB + AC + ABC
23 = 7 +5 + 8 + ABC
ABC = 3
from eq#1:
BC + ABC = 6
BC = 6 - 3
BC = 3
youre welcome po.
Note: ung 50 sa problems is ung number ng students na TINANONG. Hindi lahat ng students na tinanong eh kasali sa anumang organization, ung iba walang org, kaya ung total na number ng STUDENTS NA MAY ORG is 39 lang po Hindi na po need talaga sabihin ung 39 sa problems since ma solve naman kahit hindi need nun.
nakita kolang na mali dito is yung part na to
14 = C + AC
15 = A + AC
na dapat walang plus kasi di naman lahat ng nasa c at ac ay 14 lang at same dun sa a at ac
in the first place sa una palang sinabi nana nasa lahat ng A ay 20 na at nasa lahat ng C ay 23 na kaya malabo na addition ang tamang gamitin dun na sign dapat ginagamit is yung union sign ( ∪ ) at intersection ( ∩ ) syempre yung mga di kasama yung complement sign ( \ )
View attachment 640087
YAN PO ANG TAMANG SAGOT
Solution:
7 = B
20 = C + AC + BC + ABC
23 = A + AB + AC + ABC
5 = AB
8 = AC
14 = C + AC
15 = A + AC
15 = A + AC
15 = A + 8
A = 7
14 = C + AC
14 = C + 8
C = 6
20 = C + AC + BC + ABC
20 = 6 + 8 + BC + ABC
BC + ABC = 6 (equation #1)
23 = A + AB + AC + ABC
23 = 7 +5 + 8 + ABC
ABC = 3
from eq#1:
BC + ABC = 6
BC = 6 - 3
BC = 3
youre welcome po.
Note: ung 50 sa problems is ung number ng students na TINANONG. Hindi lahat ng students na tinanong eh kasali sa anumang organization, ung iba walang org, kaya ung total na number ng STUDENTS NA MAY ORG is 39 lang po Hindi na po need talaga sabihin ung 39 sa problems since ma solve naman kahit hindi need nun.
yeah grade 7 yan pinag aaralanmadali lng po yn