If y is the red marbles and x is the blue marbles, then for every x value you would be able to multiply by 2 to get the y value... it is the equivalent of looking at is as the slope rise/run or 2/1
D is the graph that shows this relationship. Look at the x value and multiply by 2 for the y value.
Answer:
y=x+8
Step-by-step explanation:
y= x+8
8 is your y intercept
and your slope is 1 but it's x
Answer:
The answers are 18 and 12
Step-by-step explanation:
You just start from 6 and 0 and keep on going like 7 and 1, 8 and 2, 9 and 3 etc. When I reached 18 and 12, the sum was 30, and it was 6 numbers apart.
Answer:
theres no graph sorry, maybe if u upload it i can help
Step-by-step explanation:
Answer:
2.67 liters
Step-by-step explanation:
Let "a" represent the number of liters of pure acid needed to make the desired solution. Then the amount of acid in the mix is ...
(100%)x +(10%)(12 -x) = (30%)(12)
(90%)x = 12(20%) . . . . . subtract (10%)(12)
x = 12(2/9) . . . . . divide by 90%
x = 2 2/3 . . . liters
You'll need 2.67 liters of the pure acid.
