Answer:
128 miles
Step-by-step explanation:
Given that a car rental company charges a $25.00 base fee plus $0.10 per mile driven to rent a car.
Let us represent y as total charges and x no of miles driven
Even if x=0, y= 25 (base fee)
SO y intercept =25
Slope = charge per drive = 0.10
So equation is
y =0.1x +25
To find out how many miles did a customer drive if the customers bill was $37.80, we can use the above equation.
y = 37.80 and x =?
37.80=0.1x+25
0.1x = 12.80
x = 12.80/0.1 = 128 miles
Answer:
y=3x - 1
Step-by-step explanation:
slope = 3
It intercepts at -1
y=3x - 1
Step One
Begin by drawing a line parallel to the x axis. Create it so it goes through (0,1)
This line you have drawn should hit points on the figure at (-5,1) (-2,1) and (3,1)
You now have a figure on the bottom that is a trapezoid. It has 2 small triangles on top of it. We'll talk about them later.
Step Two
Find the area of the trapezoid.
<em>Formula</em>
Area = (b1 + b2)*h/2
h = 1 - - 3 = 4
b1 = 3 - - 8 = 11
b2 = 3 - - 5 = 8
Area = (11 + 8)*4 / 2
Area = (19 ) * 2
Area = 38
Step Three
Find the area of the small triangle on the left.
The base goes from -5 to - 2 which is 3 units.
The height goes from 1 to 3 (using the y axis as a reference) which is 2
Area = 1/2 * b * h
Area = 1/2 *3 * 2
Area = 3
Step Four
Find the area of the small triangle on the right.
The base is 5 (see if you can get 5 as an answer)
The height is 1.
Area = 1/2 b * h
Area = 1/2 5 * 1
Area = 2.5
Step Five
Total Area is found by adding the three areas together.
Total Area = trapezoid + small triangle on the left + small triangle on the right
Total Area = 38 + 3 + 2.5 = 43.5
43.5 <<<< answer
Answer:
Step-by-step explanation:
we know that
The graph of the figure represent a vertical parabola open upward
The vertex represent a minimum
The vertex of the quadratic equation is the point (h,k)
The range of the quadratic equation is the interval for y [k,∞)
Looking at the graph
The vertex is the point (0,-6)
therefore
The range is the interval [-6,∞)
$89.08 divided by 4 is $22.27, aka the price of one shirt
