Answer:
1 y=-1/10x
2 y=-x-8
3 y= 7/3x or 2 1/3x
Step-by-step explanation:
1 -x=10y
divide -x and 10 by 10
2 y+8=-x
subtract 8
3 -4+7x+4=3y
divide everything by 3
Answer:
width=18cm
Step-by-step explanation:
perimeter= 2(l+b)
90=2(27+b)
90/2=27+b
45-27=b
b=18cm
Answer:
try D it seems right to me
Answer:
P( not win) = 2/ (n+2)
Step-by-step explanation:
There are n+2 total possibilities
There are n winners
not win = n+2 - n = 2
P( not win) = not win / total
= 2/ n+2
Answer:
the 2nd one
Step-by-step explanation:
2*3x is 6x
2*4 is 8
equation is 6x+8