In the decathlon event at large track meets, male athletes compete in a total of 10 events. Their combined performance in each of the events is used to determine the winner. Two of the events are the 200-meter dash and the javelin throw. For 12 athletes at a large international competition, performances in these two events are recorded and placed in a scatterplot. The value of r for this scatterplot is 0.369.

A graph titled decathlon Events has 200-meter dash time (seconds) on the x-axis, and Javelin throw distance (meters) on the y-axis. Points are grouped loosely together in a line with positive slope.

Which of the following best describes the relationship between the variables in the scatterplot?

Those with lower 200-meter times tend to have longer javelin distances. The relationship is strong.
Those with higher 200-meter times tend to have longer javelin distances. The relationship is strong.
Those with lower 200-meter times tend to have longer javelin distances. The relationship is moderate.
Those with higher 200-meter times tend to have longer javelin distances. The relationship is moderate.

answer is D

Answers

Answer 1

Based on the information provided, the best description of the relationship between the variables in the scatterplot is: option D, "Those with higher 200-meter times tend to have longer javelin distances. The relationship is moderate."

What is the relationship  about?

The scatterplot shows a positive relationship between the two variables, as indicated by the points being grouped loosely together in a line with a positive slope.

This means that as the 200-meter dash time increases, the javelin throw distance also tends to increase. The coefficient of correlation, r, also supports this relationship, as a value of 0.369 indicates a moderate positive correlation between the two variables. Though the correlation is moderate, it's important to note that this does not imply causality.

Therefore, note that, based on the description in the question, the relationship is moderate, not strong. The statement is accurate only when the correlation coefficient is between 0.3-0.7 which is considered as moderate correlation.

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In The Decathlon Event At Large Track Meets, Male Athletes Compete In A Total Of 10 Events. Their Combined
Answer 2

Answer:

d

Step-by-step explanation:


Related Questions

Factor 4x^2 - 4x - 24

Answers

Answer:

4(x - 3)(x + 2)

Step-by-step explanation:

Given

4x² - 4x - 24 ← factor out 4 from each term

= 4(x² - x - 6) ← factor the quadratic

= 4(x - 3)(x + 2)

[tex] \huge\boxed{ \underline{ \mathbf{Answer :}}}[/tex]

[tex]\hookrightarrow4 {x }^{2} - 4x - 24[/tex]

[tex]\hookrightarrow4 {x}^{2} - 12x + 8x - 24[/tex]

[tex]\hookrightarrow4x(x - 3) + 8(x - 3)[/tex]

[tex]\hookrightarrow(4x + 8)(x - 3)[/tex]

Which theorem(SSS, SAS, ASA, or AAS) would prove the triangles congruent?

Answers

Answer:

SSS

Step:

I think it might be this not very sure

Answer:

ASA

Step-by-step explanation:

A and C are congruent (angle) and then ad and dc are also (side) and they both have a right angle 90 (angle)

Select all the pairs of operations that have inverse relationships.

Answers

The pairs of operations that have inverse relationships are subtraction and addition and multiplication and division. The correct options are A and D.

What are algebraic operations?

Any of the common arithmetic operations, such as addition, subtraction, multiplication, division, raising to a whole number power, and taking roots, are considered basic algebraic operations in mathematics (fractional power).

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

The inverse operations can be subtraction and addition and multiplication and division.

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Urgent!!!!!!
Accidently chose an answer not sure if it's right
I will mark the person who answers with an answer brainliest.
Due soon!!!

Answers

Answer:

im pretty sure its right

Step-by-step explanation:

Carl and Sure are planning to buy a new home. They will both retire in 16 years and do not want to have a house payment at that time. Which offer should they choose?

Answers

The question is incomplete. The complete question is :

Carl and Sure are planning to buy a new home. They will both retire in 16 years and do not want to have a house payment at that time. Which offer should they choose?

Offer 1                                           Offer 2                                      

Rate: 7%                                         Rate: 6%                                                      

Time(years): 30                            Time (years): 25

Loan Amount: $200,000             Loan Amount: $200,000  

Monthly Payment: $1,330.60       Monthly Payment: $1,288.60

Total Financed:$479,017.80         Total Financed: $386,580.84

Offer 3

Rate: 5%

Time (years): 15

Loan Amount: $200,000

Monthly Payment: $1581.59

Total Financed: $284,685.71

Solution :

It is given in the question that Carl and Sue are planning to purchase a new house for them. Both of them are going to retire after 16 years from now and they do not want to have any house loan to pay at their retirement time.

So from the offers, Carl and Sue should take the Offer 3 to buy a home for them. This is because rate of interest for the loan amount is less as compared to the other two offers and also loan will be completed within 15 years from now. So they will not have any loan payment at their retirement period.

Therefore, they should choose Offer 3.

Answer:

4 so you dont have the read that stuff

Step-by-step explanation:

Which of these numbers is a solution of the inequality 3x > 18

0 1 4 6

Answers

Answer:

6

Step-by-step explanation:

Divide 3 on both sides

3x/3 > 18/3

x > 6

For a family with 3 children, what is the probability that they have exactly 2 boys and 1 girl?

Answers

Answer:

[tex]\frac{3}{8}[/tex]

Step-by-step explanation:

Possibilities (G for girls and B for boys):

GGG

GGB

GBG

GBB

BGG

BGB

BBG

BBB

Answer:

1/4

Step-by-step explanation:

There are a total of four possibilities,

- Three girls

- Three boys

- Two girls and One boy

- Two boys and One girl

and only one of those options are 2 boys and 1 girl

The table shows pairs of values for the linear function f(x) = 3x -2. Which conjencture about linear functions in general is best supported by the table?

Answers

The information in a table shows that f(x) = 3(2)x  exponential function. An exponential function has the formula y = abx, wherein y and x are variables.

Describe the exponential function.

An exponential function is a mathematical function with the following formula: f (x) = 1 x. where an is a fixed sum that serves as the function's basis and x is a variable. The most frequent exponential-function base is the transcendent number e, or around 2.71828. Your function must be exponential if it has the equation y = a b x, or where are constant, a Zero and b > 0 and b 1. You always used functions to the power of 2 while solving quadratic equations. An exponential function's exponent is a variable.

Here,

given:

Using the table's (0, 3):

3 = ab° , a = 3

(2) and (12):

=>12 = ab²

=>12 = 3b²

=>b² = 4

=>b = 2

=>f(x) = 3(2)ˣ

The information in a table shows that the exponential function, f(x), equals 3(2)x.

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For which points is the x-coordinate less than 3?

Answers

Answer:

Ok his his his his his his his his his his his his his his his his

please help quickly

These polygons are similar. x=?

Answers

The value of x in the similar polygons is 7.

How to find the side of similar polygon?

Two polygons are similar if their corresponding angles are congruent and their corresponding sides are in proportion.

Therefore, the polygons WXY and STU are similar.

Hence, using proportion, let's find the value of x

3 / 9 = 4 / x + 5

cross multiply

3(x + 5) = 9 × 4

3x + 15 = 36

subtract 15 from both sides of the equation

3x + 15 - 15 = 36 - 15

3x = 21

divide both sides by 3

x = 21 / 3

x = 7

Therefore,

x = 7

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Please help
Initial amount:
Factor:
Equation:

Answers

The factoring of the equation is 6x(x + 8). The process of factoring involves determining what to multiply to produce an expression.

How to factor the equation?

The process of factoring involves determining what to multiply to produce an expression.

It resembles "dividing" an expression into several smaller expressions.

There are three steps involved in factoring completely:

A GCF should ideally be factored out of the expression.

As much as you can, factor a trinomial.

Put as many factors as you can into a Difference Between Two Squares.

The Grouping method, the difference in two squares, and the sum or difference in cubes are the four primary methods of factoring. The Greatest Common Factor (GCF) is another.

It should be noted that the given expression must be factored based on the provided information.

The expression given is:

6x² + 48x

The common factor is 6x

6x(x + 8)

Therefore, the factoring of the equation is 6x(x + 8).

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Help with some crazy easy math and explain for brainliest.

Answers

Answer:

c

Step-by-step explanation:

A line is decreasing from left to right and crosses the y-axis at -5. Which of the following equations matches the description of the line?

y = -5x + 5
y = -5x - 5
y = 5x + 5
y = 5x - 5

Answers

Answer: y = -5x - 5

Hopefully that helps.

Please help me on this

Answers

So 18 is most likely gonna be D 19.5 then question 19 looks a bit bigger so I would go with A 22.5 or it’s gonna be C 19.5 so flip a coin on that one and now for question 20 it’s gonna be 11.3

Answer:

18: D

19: D

20: B

What is the answer to 80.9-12.539

Answers

The answer to this is 68.361

How do you plot the point 3?

Answers

Here the point 3 can be taken as (3,0) or (0, 3) ; For first, move right 3 units along the x-axis. No vertical component is there , as the y-coordinate is 0 here; For second, move 3 units along the y-axis. Since the x-coordinate is 0, there is no horizontal component.

A point is marked in a coordinate plane using its coordinates when it is plotted in a coordinate system.

The intersection of the x-axis, a horizontal number line, and the y-axis, a vertical number line, creates a 2D coordinate plane.

At the coordinate plane's origin, where the two axes (plural for axis) intersect, four right angles are formed. On a coordinate plane, a grid is frequently drawn to make it simpler to plot points.

In a 2D coordinate plane, a point's location is represented by an ordered pair of numbers (x, y). An ordered pair of numbers is used to represent the location of a point in a 2D coordinate plane (x, y). The first number in the pair represents the point's location along the x-axis, and the second number represents its location vertically (y-axis).

Count x squares from the origin along the x-axis, then count y squares in the direction of the y-axis to plot the point (x, y) in the coordinate plane.

Here the point 3 can be taken as (3,0) or (0, 3) ; For first, move right 3 units along the x-axis. No vertical component is there , as the y-coordinate is 0 here; For second, move 3 units along the y-axis. Since the x-coordinate is 0, there is no horizontal component.

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Four different linear functions are represented below. Drag the representation of each function into order from greatest y -intercept to least y -intercept.

Answers

Answer:

Descending order intercept : y = 5x + 4 , y = 4x + 3 , y = 3x + 2 , y = 2x + 1

Step-by-step explanation:

Linear Equations are in form of 'y = mx + b'.

Here, b is y intercept & it represents autonomous ie constant value of y irrespective of value of x. And, m represents slope ie change in y due to change in x.

Eg : 'y = 2x + 1' has least y intercept ie common autonomous value ie 1.       y = 3x + 2 , y = 4x + 3 , y = 5x + 4 ; these have higher & higher y intercepts respectively.

Arrangement from greatest to highest intercept (descending order of intercept) of above : y = 5x + 4 , y = 4x + 3 , y = 3x + 2 , y = 2x + 1

Answer:

Can you add a picture there is like 10 of these on imagine math

Step-by-step explanation:

Thank you

Find the value of x that makes the equation true 7x=70
x=10
x=9
x=0
x=11

Answers

Answer: x = 10

Step-by-step explanation:

1. To find x, you need x to be by itself and the only way for it be like that in this situation is by dividing both sides by 7.

2.  7 divided by 7 cancels out and 70 divided by 7 = 10. This means x = 10.

Answer:

10

Step-by-step explanation:

since we have 7x=70

the multiply goes and becomes divide we get 70/7

and by dividing it we get the ans 10

The weekly sales of an album have increased since it was first sold at a music store 6 weeks ago. The linear regression equation describing the change is y=1.9x+13.3 , where x represents the week and y represents the number of albums sold per week. ​Round the residual value to the nearest integer and then construct a residual plot of the data.

Answers

The residual value to the nearest integer and then construct the residual plot of the data will be 25.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Since an album went on sale for the first time at a music retailer six weeks ago, its weekly sales have climbed. The change is described by the linear regression equation y=1.9x+13.3, where x is the week and y is the number of albums sold each week.

The residual value is given as,

y = 1.9(6) + 13.3

y = 11.4 + 13.3

y = 24.7

y ≅ 25

The residual value to the nearest integer and then construct the residual plot of the data will be 25.

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Find the volume of a cylinder with diameter 8 and height 10

Answers

Answer:

502.4

Step-by-step explanation:

Cylinder Volume Formlua = (Pi)*(R^2)(height) = (3.14)(16)(10) = 502.4

Answer:

HERE YOU GO BRO :

Step-by-step explanation:

                                VOLUME OF CYLINDER,  

                                             V=πr2h

                                 PUT THE GIVEN VALUES,

                                          V= 3.14 × 4 × 2(10)

                                             =  12.56 × 20

                                           V = 251.2cm³ ans

                                       

Formulae OF RADIUS IS d/2 = 8/2 = 4cm

I neeeeeeed helpppppp

Answers

It is the 4th one. Because the angles are supplementary to each other. Supplementary always measures to 180°.

help if you want brianleist!! :) uhm don't mind update- NO LINkS- Thank you to those who help! :)

Answers

Answer:

200ft

Step-by-step explanation:

5ft×4ft= 20ft. 20ft×10ft =200ft

ILL BRAINLIEST YOU PLEASE HELP ME

Answers

Answer: 30.0 feet

Step-by-step explanation:

Answer:

30.0 ft

Step-by-step explanation:

can someone help me pleaseeee????

Answers

Answer:

CA=20  CD=20

AB=23  DE=23

BC=29  EC=29

Step-by-step explanation:

If a scuba diver swam from the surface at −12 1/2 feet per minute, for 4 1/2 minutes, what would be the diver’s change in elevation?

Answers

The change in elevation would be -225/4 feet

What is a mixed fraction?

A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, and 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.

Given here, Speed of scuba diver as -12¹/₂=-25/2 and time in minutes 4¹/2=9/2

Thus distance traversed -25/2 × 9/2 = -225/4

Hence, the change in elevation is -225/4 feet

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Evaluate the radical.
(Look at the photo)
Enter your answer in the box.

Answers

Answer:

3

Step-by-step explanation:

This is a cube root so think what times what times what is 27?

3 x 3 x 3 = 27 so the answer is 3

Same problem explained

https://www.mathsisfun.com/numbers/cube-root.html  < in detail.

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find the surface area

Answers

Answer:

12?

Step-by-step explanation:

Answer:

2x5=10 + 4x3=12 +12 total 34

Step-by-step explanation:

HOPE THIS HELPS!!!!!!!!!

HAVE A AWESOME DAY!!!!!

What is the domain and range of a composite function?

Answers

The domain of a composite function is the set of all possible inputs for both functions, and the range is the set of all possible outputs.

A composite function is the combination of two or more functions. The domain of a composite function is the set of all possible inputs for both functions. This means that the domain is the set of all the possible inputs that can be used in either of the functions that make up the composite function. The range of a composite function is the set of all possible outputs. This means that the range is the set of all the possible outputs that can be obtained by the combination of the two or more functions. When graphing a composite function, it is important to remember that the domain and range of the composite function are the union of the domain and range of the individual functions in the composite function. The domain and range of a composite function can be determined by first determining the domains and ranges of the individual functions and then combining them.

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Who created 4 steps in problem solving?

Answers

The 4 steps methods of problem solving is an approach that is agreed upon by many experts in different fields and developed over time, The answer is it is not attributed to any individual creator.

What is problem solving?

Mathematical exercises with the potential to present intellectual challenges for advancing pupils' mathematical learning and growth are referred to as "problem solving." The three primary components of problem-solving are recognizing the issue, considering potential solutions, and selecting the best course of action.

What are four steps in problem solving?

The 4 steps in problem solving, also known as the "scientific method" or the "4-step problem solving model" is a widely recognized method for solving problems that is used in many fields including science, engineering, and business. The four steps are: (1) Identifying the problem, (2) Gathering information, (3) Developing solutions, and (4) Implementing the solution.

It is not attributed to any individual creator, but an approach that is agreed upon by many experts in different fields and developed over time.

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How many permutations are there of all the letters in each name?

a) Inverary
b) Beamsville
c) Mattawa
d) Penetanguishene

Answers

Permutations for each word can be calculated by considering the number of unique letters in it and taking factorial of it.

a) Inverary: There are 8 letters in the name "Inverary" (I, N, V, E, R, A, R, Y), so there are 8! (8 factorial) permutations of all the letters in the name. This equals 40320 permutations.

b) Beamsville: There are 9 letters in the name "Beamsville" (B, E, A, M, S, V, I, L, E), so there are 9! (9 factorial) permutations of all the letters in the name. This equals 362880 permutations.

c) Mattawa: There are 7 letters in the name "Mattawa" (M, A, T, T, A, W, A), so there are 7! (7 factorial) permutations of all the letters in the name. This equals 5040 permutations.

d) Penetanguishene: There are 14 letters in the name "Penetanguishene" (P, E, N, E, T, A, N, G, U, I, S, H, E, N), so there are 14! (14 factorial) permutations of all the letters in the name. This equals 87178291200 permutations.

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