# Pre-Calculus Help?

the vertical and horizontal positions of a zip line cable are represented by the following parametric equations. Rewrite the parametric equations by elimination the the parameter.

x(t)= 3t + 4

y(t) = 5-t

a) y = -1/3x+19/3

b) y= 19 - 3x

c) y= 2x + 9

d) y= 5-x

1. 👍
2. 👎
3. 👁
1. from x(t)= 3t + 4
3t = x-4
t = (x-4)/3

in y = 5-t
= 5 - (x-4)/3
= (15 - x + 4)/3
= 19/3 - x/3 <---- one of your choices

1. 👍
2. 👎

## Similar Questions

1. ### Physics

In a repair shop a truck engine that has mass 429 kg is held in place by four light cables (Figure 1) . Cable A is horizontal, cables B and D are vertical, and cable C makes an angle of 37.1∘ with a vertical wall. Tension in

2. ### tyndall

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3.

3. ### Music

What does a natural sign (A natural sign has two vertical lines connected by two horizontal lines?A natural sign has two vertical lines connected by two horizontal lines. The top horizontal begins two-fifths of the way down the

The Brooklyn Bridge in New York City is a suspension bridge that crosses the East River and connects Brooklyn to the island of Manhattan. If the origin is placed at the top of one of the cable suport towers, as shown, the shape of

1. ### math

which pair of transformations to the figure shown below would produce an image that is on top of the original A. a translation to the right and a reflection over the vertical line of reflection shown. B. a translation down and a

2. ### Geometry

So the directions say: Provide a counterexample to show that each statement is false. You can use words or make a diagram. These are the two questions that I'm stuck on: 1. If a line lies in a vertical plane, then the line is

3. ### Math

Verify these answers :] Would be thankies~ 1. Determine the intervals in which the reciprocal function of f(x)= x^2+1 is increasing. a) (0,∞) b) (-∞, 0) c) (-∞,∞) d) (1,∞) Answer: D --------------------------------------

4. ### Physics

A floodlight with a mass of 20.0 kg is used to illuminate the parking lot in front of a library. The floodlight is supported at the end of a horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 30

1. ### geometry

a zip line consists of a pulley attached to a cable that is strung at an angle between two objects. in the zip line at the right one end of the cable is attached to a tree. the other end is attached to a post parallel to the tree.

2. ### Geometry

If line AB is perpendicular to line EF, and line CD is perpendicular to EF, then the measure of angle 1=the measure of angle 2. Give an arguement for the statement and a reason for each step. There is also a diagram drawn on my

3. ### Math

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C)

4. ### physics

Consider the 37 N weight held by two cables shown below. The left-hand cable is horizontal. a) What is the tension in the cable slanted at an angle of 46◦? Answer in units of N. b) What is the tension in the horizontal cable?