The ratio of all marbles to the blue marbles is 1:3. There is a 33.3% chance that the next marble will be blue.
Answer:
2m-4
Step-by-step explanation:
Answer:
x= 12 y= -3
Step-by-step explanation:
Rearrange.
x+y=9
x-y=15
Get x by itself, cancel out the y's and you'll get this:
2x=24
x= 12
Plug it in.
12+y=9
Get y.
y= -3
Check your work. I hope this helped.
Answer:
the answer is C
Step-by-step explanation:
lemme kno if i got it wrong !
Answer:
x-y
Step-by-step explanation:
when you subtract (-2x-8y)-(-3x-7y)
you have to distribute that negative onto -3x-7y which turns it positive
which results in -2x-8y+3x+7y
simplified to x-y