Answer:
c. 19
Step-by-step explanation:
This model is describing a function. You put in a number for x, in this case, the input of 7 on the side. You solve the equation with that x-value to get a y-value/output.
x=7
y=3x-2
y=3(7)-2
y=21-2
y=19
Answer:
6. y=20
7. y=3
8. y=3
Step-by-step explanation:
Answer:
6.39
Step-by-step explanation:
divide the total cost by the total amount of the item for the unit price:
38.34/6=6.39
2/5 = x/10
2/5 x 2 = 4/10
x= 4
2/5 = 4/10
