Part AType an equation to represent the cost of the topsoil.Part BHow does the cost of the topsoil compare to the cost of the mulch?
Step 1
Write the equation of a line in slope point form
[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]Where;
[tex]\begin{gathered} y_2=\text{ 60} \\ x_2=2 \\ y_1=\text{ 30} \\ x_1=\text{ 1} \end{gathered}[/tex]Step 2
Find the equation to represent the cost of the topsoil.
[tex]y-30=\frac{60-30}{2-1}(x-1)[/tex][tex]\begin{gathered} y-30\text{ = }\frac{30}{1}(x-1) \\ y-30=30x-30 \\ y=30x-30+30 \\ y=30x \end{gathered}[/tex]The equation that represents the cost of the topsoil is
y=30x
Step 3
Find how the cost of the topsoil compares to the cost of the mulch.
[tex]\begin{gathered} \text{The equation for the cost of the mulch y, in dollars is} \\ y=25x \\ \text{for x cubic yards of mulch} \\ \text{The equation for the cost of topsoil, y in dollars is} \\ y=30x \\ for\text{ x cubic yards of topsoil} \end{gathered}[/tex][tex]undefined[/tex]
What was the distance of the first part of yuna's swim? round to the nearest tenth as needed. the distance in the first part of her swim was miles.
Using equations we now know that the distance of the first part of the Yuna's swim is 0.7 miles.
What are equations?A mathematical statement that has an "equal to" symbol between two expressions with equal values is called an equation. As in 3x + 5 Equals 15, for instance. Equations come in a variety of forms, including linear, quadratic, cubic, and others. The point-slope form, standard form, and slope-intercept form are the three main types of linear equations.So, let 'x' be the distance of the 1st part and 'y' be the time in hours of the 1st part.
1st part: 1/4 = x/y (Equation A)2nd part: 0.8 = 1.9 - x/2 - y (Equation B)Plot the equations on the graph as follows:
(Refer to the graph attached below)
Be obtain:
x = 0.7 milesy = 0.5 hoursTherefore, using equations we now know that the distance of the first part of the Yuna's swim is 0.7 miles.
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The complete question is given below:
In training for a triathlon, Yuna swam 1.9 miles in the open ocean, which took her 2 hours. For the first part of her swim, she averaged 1.4 miles per hour. For the second part of her swim, she swam against the current and started to tire, so her average speed decreased to 0.8 mph. What was the distance of the first part of Yuna's swim? Round to the nearest tenth as needed. The distance in the first part of her swim was miles.
Answer:
.7
Step-by-step explanation:
Find three consecutive even integers such that one less than four times the third is equal to five more than the sum of the first two.
The three consecutive even integers such that one less than four times the third is equal to five more than the sum of the first two is -4,-2,0.
What is an integer?An integer is a whole number irrespective of the sign that the integer is all whole numbers that are going from 0 to infinite or 0 to minus infinite.
Integer ; ....-2 , -1 , 0 , 1 , 2 , .....
Integers are non-decimal numbers and all integers are rational numbers.
Let's assume that first, even integer is x
Then the second and third will be x + 2,x + 4 respectively.
As per the given,
1 less than 4 times the third → 4(x+4) - 1
It is equal to the 5 more than the sum of x and x + 2
So, x + x + 2 + 5
Therefore, 4(x+4) - 1 = x + x + 2 + 5
4x + 16 - 1 = 2x + 7
4x + 15 = 2x + 7
2x = 7 - 15
x = -4
So integers are -4,-2,0
Hence "The three consecutive even integers such that one less than four times the third is equal to five more than the sum of the first two is -4,-2,0".
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which of the following is not a step in a hypothesis test? a. state the null hypothesis about a population. b. set the alpha level. c. if the sample data is not located in the critical region, we accept the null hypothesis. d. if the sample data is located in the critical region, we reject the null hypothesis.
The following is not a step in a hypothesis test; d. if the sample data is located in the critical region, we reject the null hypothesis.
How to form the hypotheses?There are two hypotheses. The first one is called the null hypothesis and it is chosen such that it predicts nullity or no change in a thing. It is usually the hypothesis against which we do the test.
The hypothesis which substitutes the null hypothesis is an alternate hypothesis.
We know that the Null hypothesis is the one that researchers try to disprove.
The null hypothesis must be rejected if we choose the 99.7 percent of confidence level.
The following is not a step in a hypothesis test; d. if the sample data is located in the critical region, we reject the null hypothesis.
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what is the Pythagorean Theorem equation for this right angle 25, 24 and 7?
The equation of the Pythagorean Theorem in the triangle is 25^2 = 24^2 + 7^2
How to determine the Pythagorean Theorem equation?From the question, the side lengths of the triangle are given as
25, 24 and 7
The Pythagorean Theorem states that:
Hypotenuse^2 = Sum of the squares of the other sides
Where
The other sides are the smaller sides
This in other words mean that:
Other sides = 24 and 7
Hypotenuse = 25
Substitute the known values in the above equation
25^2 = 24^2 + 7^2
Hence, the Pythagorean Theorem equation is 25^2 = 24^2 + 7^2
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I need help with my Pre-Calculus homework, the image of the problem is attached!
Answer:
Question 4
Answer: Alternative C - 0
Step-by-step explanation:
Since x→∞, we can substitute the values of x for values as 10, 100, 1000 and see the tendency of the function when the values are getting higher (closer to ∞):
For x = 10
f(10) = 0.5*10^(-3/4)
f(10) = 0.089
For x = 100
f(10) = 0.5*100^(-3/4)
f(10) = 0.016
For x = 1000
f(10) = 0.5*1000^(-3/4)
f(10) = 0.003
As we can see, when the x-values are getting closer to infinite, the y-values tends to zero. Thus, alternative C is correct.
A plumber has a 2.5 metre long copper wire. he needs to cut lengths of 60cm, 35cm and 90cm work out how much of the initial 2.5 metre long pipe is left. give your answer in cm
By the concept of measurement of length we get the remaining length of the pipe 65 cm.
The total length of pipe before it was used by the plumber was 2.5 metre = (2.5 x 100)cm = 250cm.
Since,the plumber needs to cut lengths of 60cm, 35cm and 90cm
Thus,total Length of the pipe cut by the plumber = 60cm + 35cm + 90cm = 185cm
After subtracting the length of pipe used by the plumber from the original length of the pipe, we get,
The remaining length of the pipe = 250 - 185 = 65cm
Hence, the remaining length of the pipe is 65 cm.
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Plot the ordered pair and state which quadrant or on which axis the point lies
Answer:
Explanation:
Given the ordered pair (-2, 4 1/2), where x = -2 and y = 4 1/2 = 9/2 = 4.5. Plotting this point, we'll have;
Note that quadrants are numbered in an anti-clockwise manner with the top right portion of the graph as Quadrant I. Looking at the plotted point, we can see that it lies in Quadrant II.
two planes are flying torwards each other. in 45 minutes, the two planes will be 200 miles apart. in 1 hour, plane A will pass plane B. How far apart are the planes now.
800 miles is going to be the distance that separates the two aircraft. The distance between the two airplanes will be 1,300 kilometers at the very least.
What is the distance?It is important to keep in mind that the two aircraft's combined speed will be equal to the sum of their separate speeds when calculating their overall speed. In addition, the pilots of the two aircraft have one hour to find each other.
According to the information that was provided, the distance that separates the aircraft after they have flown for forty-five minutes is two hundred miles. As a result, the following will constitute the remaining distance:
= 1 hour - 45 minutes = 15 minutes.
When this occurs, the distance between the planes will be as follows:
= 200/15 × 60
= 200 × 4
= 800 miles
As a result, there will be a gap of 1300 kilometers between the two aircraft.
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Find measure of angle E
The measure of ∠E will be equal to 38°.
Given,
m∠BFE = 118° and m∠C = 86°
And BF bisects ∠ABD
From the Property of Linear Pair,
∠AFB + ∠BFE = 180°
=> ∠AFB + 118° = 180°
=> ∠AFB = 62°
Now, we can see that ∠AFB and ∠FBD are equal because they are alternate angles.
And ∠FBD and ∠ABF are equal because BF bisects ∠ABD.
So, In ∆ABF,
∠AFB + ∠ABF + ∠BAF = 180° (because of the angle sum property of a triangle)
=>62° + 62° + ∠BAF = 180°
=>∠BAF = 180° - 124°
=> ∠BAF = 56°
Similarly, in ∆ABE,
∠A +∠C +∠E = 180°
=> 56° + 86° + ∠E = 180°
=> ∠E = 38°
Therefore, m∠E = 38°.
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please help me please
Answer:
Surface area= 6(5·5)+6(3·3)-2(3·3)
Step-by-step explanation:
first figure out the surface area of both cubes
for the larger cube- 5 multiplied by 5 for the area of one side then multiplied by 6 for all faces
for the smaller cube- 3 multiplied by 3 for the area of one side then multiplied by 6 for all the faces.
the cubes are touching on one face, this is the whole area of one side of the 3 by 3 cube, meaning two of these faces must be subtracted to find the surface area of the whole shape
hope that helps
The relationship between a distance in yards (y) and the same distance in miles (m) is described by the equation
y = 1,760m.
Find measurements in yards and miles for distances by filling in the table.
distance measured in miles 1 5 type your answer type your answer
distance measured in yards
type your answer type your answer 3,520 17,600
The equation for constant proportionality is y ∝ m .
1760 is a constant of proportionality.
What is meant by constant of proportionality?The ratio of two proportional values at a constant value is the proportionality constant. When either the ratio or the product of two variables results in a constant, the connection between the two is proportional. The ratio between the two stated quantities affects the proportionality constant's value.
The formula y = 1760m describes the relationship between a distance in yards (y) and a similar value in miles (m).
As a result, the graph of the aforementioned equation will be a straight line with a constant slope of 1760 that passes through the origin (0, 0).
As a result, a measurement in yards and a measurement in miles have the same proportionality relationship.
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Consider the calculation x - y + (- z) where x and z are positive real numbers and y is a negative real number. i) What are the directions of motion for this calculation ? ii) Is the final answer positive , negative , or undetermined ? i) Right, left , left ii) Undetermined i) Right , right , left ii) Undetermined i) Right , left , left ii) Negative i) Right right , left ii) Positive
Given
x - y + (- z) where x and z are positive real numbers and y is a negative real number.
Find
i) What are the directions of motion for this calculation ?
ii) Is the final answer positive , negative , or undetermined ?
Explanation
i) as we have given
x - y + (- z)
x - y - z
(x - y) - z
right -left - left
ii) for this we take examples
let x = 2 , y = -1 and z = 2
2- (- 1) + (- 2) = 1 , positive
now
let x = 2 , y = -1 and z = 5
2 - (- 1) + (- 5) = 3 - 5 = -2 , negative
so , it is both negative or positive
hence it is undetermined
Final Answer
Hence , the correct option is
i) Right, left , left
ii) Undetermined
in serious need of help! i need the answer quick!
The coordinates of G is (d+c, b)
This is because the opposite sides of any parallelogram are equal in length, and so the length of side HG is equal to the length of side EF.
a) The length of side HG is equal to the horizontal distance (x2 - x1): xG - 0
The length of side EF is equal to the horizontal distance (x2 - x1): d - (-c) = d +c
Thus:
xG - 0 = d + c
xG = d + c
Therefore the x-coordinate of G is d + c
b) To find the y-coordinate of G, we also apply the idea that sides GF and HE are equal.
The length of side GF is equal to the vertical distance (y2 - y1): yG - 0
The length of side HE is equal to the vertical distance (y2 - y1): b - 0
Thus:
yG - 0 = b -0
yG = b
Therefore the y-coordinate of G is b
Finally, the coordinates of G is (xG, yG) = (d+c, b)
Slope And Rate Of Change
Based on the linear relationship between the ticket numbers and the total cost, the cost of one ticket can be found to be A. $10.50
How to find the cost of one ticket?First, find the rate of change in ticket pricing assuming the number of tickets is x and the total cost is y.
The rate of change is:
= Change in y / Change in x
= (67.50 - 46.50) / (5 - 3)
= $10.50
Then find the y-intercept:
y = Slope(x) + y-intercept
67.50 = 10.50(5) + y-intercept
y-intercept = 67.50 - 52.50
y-intercept = 15
Linear equation is:
Total cost = Rate of change (Tickets) + y-intercept
A single ticket would cost $10.50 which is the rate of change.
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The required rate of change and slope of the given relationship is $10.50.
The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.
Here,
The slope for the linear function is given as,
m = (y₂ - y₁) / (x₂ - x₁)
From the table substitute the value in the above equation,
m = [67.50-46.50]/[5-3]
m = 21 / 2
m = 10.50
Thus, the required rate of change and slope of the given relationship is $10.50.
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A large university accepts 70% of the students who apply. Of the students the university accepts,25% actually enroll. If 20,000 students apply, how many enroll?
The number of students that enrolled = 3,500 students.
What is enrollment?This is defined as the intake of individuals into an organism or students into an institution through adherence to specific orders given by the administrative department of the organisation.
The number of students that apply= 20,000 students
The percentage of students that are accepted= 70% of 20,000
That is, 70/100× 20,000
= 1400000/100
= 14,000 students.
The quantity of students that actually enroll = 25% of 14,000
That is, 25/100× 14000
= 350000/100
= 3,500 students.
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You pick a card at random without putting the 1st card back you pick a second card at random what is the probability of picking an even number and then picking an even number
We will have the following:
First, we can see that the probability of picking an even number at first is:
[tex]P_1=\frac{3}{6}\Rightarrow P_1=\frac{1}{2}[/tex]And then, the probability of picking another even card without replacing the previous one will be:
[tex]P_2=\frac{2}{5}[/tex]Now, the probability of this happening one after the other will be:
[tex]\begin{gathered} P_3=P_1P_2\Rightarrow P_3=\frac{1}{2}\ast\frac{2}{5} \\ \\ \Rightarrow P_3=0.2 \end{gathered}[/tex]So, the probability will be of 20%.
You have to write an equation then solve.
Please help ASAP! Select all rational numbers.
The rational numbers are √75, 2. √7, √0. 36, √0. 0144, √3/77, -√36/49
What is a rational number?A rational number can simply be described as a number that is expressed as the ratio of two even or odd integers.
The denominator of the fraction or ratio must be greater than zero.
Rational numbers are represented mathematically as a quotient, say x/y of two integers such that y ≠ 0, that is, the denominator is not equal r equivalent to zero.
It is formed from dividing on integer(whether odd or even) by another integer.
The numbers; √75, 2. √7, √0. 36, √0. 0144, √3/77, -√36/49 are all rational numbers
Hence, the numbers are √75, 2. √7, √0. 36, √0. 0144, √3/77, -√36/49
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if the value of the response variable is uniquely determined by the values of the predictor variables, we say that the relationship between the variables is: (choose the correct response)
Deterministic.
The relationship between the variables is deterministic. A deterministic relationship refers to a relationship in which the dependent variable does not depend on other elements (variables) other than the independent element classified in the relationship. The independent variable (element) in the relationship possesses an exact value. Hence deterministic relationship is also named as the exact relationship between variables.
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If Judy completes a puzzle by herself, it takes her 3 hours. Working with Sal, it only takes them 2 hours.
A table showing Rate in part per hour, Time in hours, and Part of Project Completed. The first row shows Judy, and has, question mark, 2, and StartFraction 2 Over 3 EndFraction. The second row shows Sal, and has, r, r, and 2 r.
What is the missing value from the table that represents Judy's rate?
r
3 – r
StartFraction 1 Over 3 EndFraction.
3
The missing value is 1/3 from the table that represents Judy's rate which is the correct answer that would be an option (C).
What is the relation?In mathematics, relations are used to describe the link between the components of two sets. They aid in mapping items from one set (known as the domain) to elements from another set (known as the range), resulting in ordered pairs of the form (input, output).
We have been given the rates of time taken by Judy and Sal to complete a puzzle.
Sal's rate is r, as we can see from the table. Judy is said to take 3 hours to solve a puzzle by herself. It barely takes them two hours to work with Sal.
Because Judy completes the task in three hours, the portion of the puzzle finished in one hour is 1/3.
Therefore, the missing value is 1/3 from the table that represents Judy's rate
Hence, the correct answer would be an option (C).
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slope for point (7,2) and (1,-1)
Answer: The slope is [tex]\frac{1}{2}[/tex].
Step-by-step explanation:
[tex]Slope = \frac{y_{2}-y_{1} }{x_{2}-x_{1} } =\frac{-1-2}{1-7} =\frac{-3}{-6} =\frac{3}{6}=\frac{1}{2}[/tex]
Good morning I could really use some help with this problem please!!
Hello!
First, let's write the coordinates of each vertex of this parallelogram:
• A (-4, 2)
,• B (2, 2)
,• C (5, -2)
,• D (-1, -2)
As line AB is parallel to the x-axis, we can find its measurement without formulas. We just need to count the number of squares from one point to the other.
So,
AB = 6 units.We will follow the same reasoning to calculate CD (because it's also parallel to the x-axis).
CD = 6 units.Now we have to use the formula of the distance between two points to calculate the sides BC and DA. The formula is:
[tex]d_{A,B}=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}[/tex]As we know the formula, let's replace it with the coordinates:
BC: 5 units[tex]\begin{gathered} d_{B,C}=\sqrt{\left(x_C-x_B\right)^2+\left(y_C-y_B\right)^2} \\ d_{B,C}=\sqrt{(5-2)^2+(-2-2)^2} \\ d_{B,C}=\sqrt{3^2+(-4)^2} \\ d_{B,C}=\sqrt{9+16} \\ d_{B,C}=\sqrt{25} \\ d_{B,C}=5\text{ units} \end{gathered}[/tex]DA: 5 unitsWe can solve it using the same formula as I used to solve BC, but now I'll show you how to solve it using Pythagoras Theorem (I think it will be easier). Look:
Solving by Pythagoras, we'll obtain:
[tex]\begin{gathered} x^2=4^2+3^2 \\ x^2=16+9 \\ x^2=25 \\ x=\sqrt{25} \\ x=5\text{ units} \end{gathered}[/tex]Remembering: the perimeter is the sum of all the sides of a figure. So, we will have:
[tex]\begin{gathered} P=AB+BC+CD+DA \\ P=6+5+6+5 \\ P=22\text{ units} \end{gathered}[/tex]d = 12 cm42°Find the area of the green sector.
We will determine the area of the green section as follows:
[tex]A=r^2\cdot\frac{\alpha}{2}[/tex]Here alpha is the angle [In radians] and r is the radius-
*First: We determine the angle:
[tex]\alpha=360-42-180\Rightarrow\alpha=138[/tex]Now, we transform it to radians:
[tex]138\cdot\frac{\pi}{180}=\frac{23}{30}\pi[/tex]*Second: We replace on the equation:
[tex]A=(6)^2\cdot\frac{(\frac{23}{30}\pi)}{2}\Rightarrow A=\frac{69}{5}\pi[/tex]So, the area of the green sector is 69pi/5 square centimeters. [Approximately 43.4 square centimeters]
Answer:
A ≈ 43.4 cm²
Step-by-step explanation:
the area (A) of the green sector is calculated as
A = area of circle × fraction of circle
given d = 12 then r = 12 ÷ 2 = 6 cm
the central angle of the green sector = 180° - 42° = 138°
then
A = πr² × [tex]\frac{138}{360}[/tex] ( simplify fraction by dividing numerator/denominator by 6 )
= π × 6² × [tex]\frac{23}{60}[/tex]
= 36π × [tex]\frac{23}{60}[/tex]
= [tex]\frac{36\\pi (23) }{60}[/tex]
≈ 43.4 cm² ( to the nearest tenth )
Solve for y
6x+2y=12
Answer:
y = -3x +6
Step-by-step explanation:
You want to solve the equation 6x +2y = 12 for y.
SolutionWe can isolate the y-term by subtracting 6x from both sides.
6x -6x +2y = -6x +12
2y = -6x +12 . . . . . . . . . . simplify
Then we can get y by itself by dividing both sides by 2:
2y/2 = -6x/2 +12/2
y = -3x +6 . . . . . . . . . . . simplify
The expression for y is y = -3x +6.
<95141404393>
HELP ME PLSSS ITS DUE TODAY
Answer:
S': (2, 1)
T': (5, 3)
U': (1, -4)
S'': (1, 3)
T'': (4, 5)
U'': (0, -2)
Step-by-step explanation:
Hi!
For Reflection Across the X-Axis use this :
(x, y) -> (x, - y)
So :
S': (2, 1)
T': (5, 3)
U': (1, -4)
and then the question also asks for a translation so we follow what it gave us:
S'': (1, 3)
T'': (4, 5)
U'': (0, -2)
Please ask me any questions that you still may have!
and Have a great day! :)
Answer:
S' (2, 1) S'' (1, 3)
T' (5, 3) T'' (4, 5)
U' (1, -4) U'' (0, -2)
Step-by-step explanation:
The preimage is S (2,-1), T (5, -3) U(1,4).
Preimage: the original figure prior to a transformation.
The directions say to reflect the preimage over the x-axis.
To do this, follow this transformation rule: (x, y) → (x, -y)
This means keep the x-coordinate as it is, but then change the sign of the y-coordinate.
S (2, -1) → S' (2, 1)
T (5, -3) → T' (5, 3)
U (1, 4) → U' (1, -4)
Next, take the coordinates from the last transformation then translate it using the rule: (x, y) → (x-1, y+2)
This means subtract 1 from the x-coordinate, then add 2 to the y-coordinate.
S' (2, 1) → S'' (1, 3)
T' (5, 3) → T'' (4, 5)
U' (1, -4) → U'' (0, -2)
Notice that each time you do a transformation, you add an apostrophe next to the letter. In math, this symbol is called a 'prime symbol.'
I hope this helped! Let me know if you have any questions.
7. The vertices of a triangle are P(-7,-4), Q(-7, -8), and R(3, -3). Name the vertices of the
image reflected across the line y=x.
OP(4, 7), Q8, 7), R'(3,-3)
OP(4,-7), Q8, -7), R'(3, 3)
OP(-4,-7), Q(-8,-7), R'(-3, 3)
OP(-4, 7), Q(-8, 7), R'(-3,-3)
(1 point)
A place where two or more curves, lines, or edges converge is known as a vertex in geometry (plural: vertices or vertexes), and it is frequently identified by letters like,,,. As a result of this definition, vertices are the intersection of two lines that create an angle as well as the corners of polygons and polyhedra.
The solutions are:
P' = (-4,-7)
Q ' = (-8,-7) (-8,-7)
R ' = (-3,3) (-3,3)
All you have to do is flip the provided points P, Q, and R's x and y coordinates.
The common principle is (x,y) —-> (y,x)
Thus, when we reflect across the line y = x, something like P = (-7,-4) becomes P'= (-4,-7). The similar approach is taken with the other points.
How do you locate a triangle's vertices?
Finding the triangle's vertices on the line y = x as an image
The steps below are used to locate a triangle's vertices using its midpoints:
Identify the midpoints' x and y values;
Calculate the midpoint using the following equations: A = (x 1+ x 3 - x 2, y 1 + y 3-y 2); B = (x 1+x 2-x 3, y 1+y 2-y3); C = (x 2+x 3-x 1, y 2 + y 3 -y 1);.
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Given a Figure whose points are A(4, 5), B(2, -1), C(0, 0), D(-4, -1).
What would be the image of that figure if it goes under a reflection across the x-axis, what is the coordinate
of A¹?
A. A'(-4,-5)
B. A'(-4, 5)
C. A'(4, 5)
D. A'(4,-5)
Answer:
(4,-5)
Step-by-step explanation:
A is 5 units above the x axis so a' will be 5 units below the x axis.
PLEASE HELP ASAP!!
1. Use the space provide to respond to each statement concerning the given graph of a radical function.
a.) State the domain of the function.
b.) State the range of the function.
c.) Identify the end behavior of the function.
d.) Identify the x – intercept. Write as an ordered pair.
e.) Determine the absolute minimum of this function.
Part a
The domain is the set of x-values, which is [tex][1, \infty)[/tex].
Part b
The range is the set of y-values, which is [tex][-3, \infty)[/tex].
Part c
As [tex]x \to \infty[/tex], [tex]y \to \infty[/tex].
Part d
The x-intercept is when y=0, which is [tex](2, 0)[/tex].
Part e
The absolute minimum is the lowest point, which has a y-coordinate of [tex]-3[/tex].
Part a
The domain is the set of x-values, which is .
Part b
The range is the set of y-values, which is .
Part c
As , .
Part d
The x-intercept is when y=0, which is .
Part e
The absolute minimum is the lowest point, which has a y-coordinate of
Which of the following represents the polar equation r = (tan 2θ)(csc θ) as a rectangular equation?
We will have the following:
[tex]r=\tan ^2(\theta)\csc (\theta)\Rightarrow r=(\frac{\sin(\theta)}{\cos(\theta)})^2(\frac{1}{\sin(\theta)})[/tex][tex]\Rightarrow r=\frac{\sin^2(\theta)}{\sin(\theta)\cos^2(\theta)}\Rightarrow r=\frac{\sin(\theta)}{\cos^2(\theta)}[/tex]Now, we corroborate with one of the expression, in our case we will analyze y = x^2:
[tex]r\sin (\theta)=(r\cos (\theta))^2\Rightarrow r\sin (\theta)=r^2\cos ^2(\theta)\Rightarrow r=\frac{\sin (\theta)}{\cos ^2(\theta)}[/tex]So, the expression taht represents the value given is:
[tex]y=x^2[/tex]