nightstar1
nightstar1
21-09-2018
Mathematics
contestada
Plz help me with this
Respuesta :
lah12314
lah12314
21-09-2018
a) is right
b) just subtract ljm and kjm so 145-48 = 92°
c) 9x-25=7x+7 so here you put npq=mpq+mpn and you combine terms so it's now 2x=32 then divide by 2 on both sides and x= 16
now you just plug it into 3x-5 and you get 43°
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