Answer:
Ratio of balloons to tables is 5:1.
Constant of variation is 5.
Equation is y = 5x.
Step-by-step explanation:
Answer: Switch a with c and you are good. I think that is what you are asking?
Step-by-step explanation:
Answer:
The value of expression 2x + 6 at x = 4 is 14 .
Option (C) is correct .
Step-by-step explanation:
As given the expression in the question be as follow .
= 2x + 6
Put x = 4 in the above equation
= 2 × 4 + 6
Simplify the above
= 8 + 6
= 14
Therefore the value of expression 2x + 6 at x = 4 is 14 .
Option (C) is correct .
Answer:
y = -30
Option A
Step-by-step explanation:
y = -2x - 10
y = -5x + 20
We just need to substitute the values of y.
We have to equate both the equation.
-2x -10 = -5x + 20
-2x + 5x = 20 + 10
3x = 30
x = 10
Plug x as 10 in any one of the equation
Let's take the first equation
y = -2x - 10
y = -2(10) - 10
y = -20 -10
y = -30