Answer:
C. (4,28)
Step-by-step explanation:
When y = 8x - 4 ; x = 4
when u substitute x in the equation
the value of y = 28
y = (8 x 4) - 4
= 32 - 4
= <u>2</u><u>8</u><u>.</u>
As coordinates it would be (x,y) = <u>( 4,28 )</u>
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(−1/2,1/2)
Equation Form:
x=−1/2,y=1/2
Step-by-step explanation:
The answer is B.
Whatever the x value is you have to add 9 to it.
In this question, we're calculating how much you're going to need to pay in parking.
We know that it costs 50¢ per hour
We also know that you park for 7 hours.
Note: They're trying to trick you here with the $4 per day, you wouldn't use this information because you're not parking for the whole day.
Calculate how much you're paying per day by multiplying 7 by 0.50
7 × 0.50 = 3.5
Now, multiply how much you pay everyday (3.5) by the amount of days your'e working (5)
3.5 × 5 = 17.50
This means that you will be paying $17.50 for 5 days of parking
Answer:
$17.50
The operation applied is division.
a simple explanation is that the quantity decreases if you move the decimal to the left, which is the case for division
A power of 10^-4 is involved (you get a negative sign if you shift the decimal to the left: which is another explanation to the above question)
