C.The Spencer family bought 4 adult tickets and 2 children's tickets. Did they spend the same as the Andrew family? Explain.
1 answer:
The tickets brought by the Spencer's family
4 adult tickets=
2 children tickets =
So that would add to $35+$13 = $48
Now let's calculate the cost for Andrew family
2 adult ticket =
3 children's ticket =
1 senior ticket =
So this will add to
=$43.5
(c)No. The Spencer family has spent more than the Andrew family
P.S. The part a mentioned here is not actually , yet the total cost of tickets are calculated. Hope this helps
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Answer:
The equation of a parabola is
Step-by-step explanation:
(h,k) is the vertex and (f,k) is the focus.
Thus, f = 1, k = −4.
The distance from the focus to the vertex is equal to the distance from the vertex to the directrix: f - h = h - 2.
Solving the system, we get h = 3/2, k = -4, f = 1.
The standard form is:
The general form is:
The vertex form is:
The axis of symmetry is the line perpendicular to the directrix that passes through the vertex and the focus: y = -4.
The focal length is the distance between the focus and the vertex: 1/2.
The focal parameter is the distance between the focus and the directrix: 1.
The latus rectum is parallel to the directrix and passes through the focus: x = 1.
The length of the latus rectum is four times the distance between the vertex and the focus: 2.
The eccentricity of a parabola is always 1.
The x-intercepts can be found by setting y = 0 in the equation and solving for x.
x-intercept:
The y-intercepts can be found by setting x = 0 in the equation and solving for y.
y-intercepts: