to be sure that 2 of them will be blue i have to select 7+2=9 balls
7+8=15 balls in the urn
P=9/15
to be sure that 4 of them will be yellow i have to select 8+4=12 balls
P=12/15
you can conclude that lines A and B are parallel to each other
Answer:
u[jkhpoi 9yuij ijiuyko yu yuoj kyujokyj[io jy jh[oyujokhk tkouykoj tykkkjio nn uihjbnj kmvbhio mjghkobvjkoihjm nkligfj
Step-by-step explanation:
Answer:
1) x-2y 2) 2(13a-5)
Step-by-step explanation:
1) -1/2(-2x+4y)=2/2x-4/2y=x-2y
2) 26a-10=2(13a-5)
Answer:
Step-by-step explanation:
decrease=400×0.285=114.000 $
amount at the end=400-114=286 $