Help, please! This is due tomorrow evening! Show work, please! Will give brainliest!

The appropriate indicator to determine if a relationship exists in the population between the independent variable and the dependent variable in simple regression is sample correlation coefficient

The term regression refers the statistical method used in finance, investing, and other disciplines that attempts to determine the strength and character of the relationship between one dependent variable usually denoted by Y and a series of other variables known as independent variables.

Here we need to find in which of the following is the appropriate indicator to determine if a relationship exists in the population between the independent variable and the dependent variable in simple regression

As we know that if you want to check if there's actually a relationship between the values of Y and the values of X that you want to test the strength of association between these two variables are going to be using the concept of correlation coefficient of for clarity, now we can call it the concept of the sample correlation question.

Therefore, the answer to our question is about the makings of a sample correlation coefficients.

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A Reflection over the y-axis and a shift downwards by three units, which is consistent with the function f(x) = -|x| − 3.

The function f(x) = -|x| − 3 can be graphed by following these steps:

Therefore, the correct graph is an option (D). The graph of the option (D) shows a reflection over the y-axis and a shift downwards by three units, which is consistent with the function f(x) = -|x| − 3.

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Answer:

y = 19.2

Step-by-step explanation:

We know there is relationship between y and x, so according to the formula \(y = kx\)

k = 12/5

we get one function y = 2.4x

when x = 8, input it into the function,

y = 2.4×8 = 19.2

Since then, it has spread to other rivers, colonized them, clogged the water intake pipes, and competed with local species for food. Zebra mussels are the method for removing a lot of plankton from the water column.

Here, we have,

The Caspian Sea in Asia is where zebra mussels, or Driessen polymorph, are found naturally.

They arrived in the Great Lakes region in the late 1980s via ballast water from a transatlantic ship.

The Great Lakes, Mississippi, Tennessee, Hudson, and Ohio river basins were all overrun by these mussels within ten years.

The lake's brilliant blue hue is a result of Tahoe's clean air and water.

There is more to this phenomenon than just the fact that Lake Tahoe's surface reflects the sky, which contributes to its blue color.

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complete question:

As you respond to Part A, Part B, and Part C, follow the directions below.

​

​Address all of the instructions in each prompt.

​Use evidence from the information provided and your own knowledge of science to support your responses.

Part A

​

Describe one way scientists near Lake Tahoe can detect if the lake has been impacted by zebra mussels.

Answer:

3u-2v = \(\sqrt{505\\}\)

5u-v = \(\sqrt{1,157}\)

2u-3v = \(\sqrt{1,300}\)

u+4v = \(\sqrt{4,505}\)

Step-by-step explanation:

I just started by doing the results for each of the operations given.

3u-2v:

3u = (-9, 24)       2v = (-28, 12)

Do the operation of 3u-2v and you get a resultant vector of (19, 12).

You calculate this by doing the square root of 19^2 + 12^2, which is the square root of 505.

5u-v:

5u = (-15, 40)       v = (-14, 6)

Do the operation of 5u-v and you get a resultant vector of (-1, 34).

You calculate this by doing the square root of (-1)^2 + 34^2, which is the square root of 1,157.

2u-3v:

2u = (-6, 16)   3v = (-42, 18)

Do the operation of 2u-3v and you get a resultant vector of (36, -2).

You calculate this by doing the square root of 36^2 + (-2)^2, which is the square root of 1,300.

3u+2v:

3u = (-9, 24)       2v = (-28, 12)

Do the operation of 3u+2v and you get a resultant vector of (-37, 36).

You calculate this by doing the square root of (-37)^2 + 36^2, which is the square root of 2,665. This is not a given tile, so we can just ignore this one.

u+4v:

u = (-3, 8)       4v = (-56, 24)

Do the operation of u+4v and you get a resultant vector of (-59, 32).

You calculate this by doing the square root of (-59)^2 + 32^2, which is the square root of 4,505.

Since this is a given tile, I didn't do 7u-2v, but you would use the same methodology.

Answer:

$181.4

Step-by-step explanation:

Note,

Therefore, the store applied a discount price of $181.4 to the set of golf clubs.

All real numbers make up the domain of a linear function, hence the domain of  \(f(x)=-5x+20x-7\) is  \((-\infty , \infty )\)  . The range of a linear function is also the set of all real numbers, hence   \(f(x)=-5x+20x-7\) has a range of (-\(\infty\), \(\infty\)).

For the formula, \(y = 4x2 + 24x + 13\)

All real numbers make up the domain of a polynomial function, hence the domain of y=4x2+24x+13 is \((-\infty , \infty )\)

We can use calculus or the square root method to determine the function's range. At x=-3, where y=1, the function's minimal value is found. As a result, the function's range is  \([1, \infty )\).

Using the formula \(f(x)=-5x+20x-7:\)

Using related words together, we obtain \(f(x)=15x-7.\)

Therefore, All real numbers make up the domain of a linear function, hence the domain of  \(f(x)=-5x+20x-7\) is  \((-\infty , \infty )\)  . The range of a linear function is also the set of all real numbers, hence   \(f(x)=-5x+20x-7\) has a range of (-\(\infty\), \(\infty\)).

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Considering the dot plot, the tallest conifer is 3.25 inches taller than the shortest conifer.

This shows, with dots, the number of times that each of the measures appears in a data set.

For finding the dot plot, we have that:

The shortest conifer measures 6 and 1/4

= 6.25 inches.

The tallest conifer measures 9.5 inches.

The difference is:

9.5 - 6.25 = 3.25 inches.

Therefore the tallest conifer is 3.25 inches taller than the shortest conifer.

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Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.

What is the percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%". The percentage can be calculated by dividing the value by the total value and then multiplying the result by 100.01

First, determine the total amount of lavender solution needed for the 18 ounces of perfume.

This is 18 ounces x 12% = 2.16 ounces.

Next, determine the amount of lavender solution in the 15% solution. This is 2.16 ounces / 0.15 = 14.4 ounces.

Subtract the amount of lavender solution in the 15% solution from the total amount needed. 2.16 - 14.4 = 0.76 oz

Determine how many ounces of the 6% solution are needed. This is 0.76 oz / 0.06 = 12.67 oz

Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.

Hence, Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.

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The trigonometric function on the graph is:

f(x)= -cos(x)

So the correct option is B.

Here we can see the graph of a trigonometric function. We can see that the x-intercept is -1.

Notice that:

sin(0)= 0

cos(0) = 1

So the function can be an inversion over the x-axis of the cosine function, we coulod write this as:

f(x) = -cos(x)

That is the graphed function.

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Answer:

1.a. 3

1.b. 4

1.c. 9

1.d. 1/2

1.e. 2.4

Step-by-step explanation:

Divide any second number by the corresponding first number.

1.a. 3/1 = 3

1.b. 20/5 = 4

1.c. 27/3 = 9

1.d. 2/4 = 1/2

1.e. 2.4/1 = 2.4

5. NO SOLUTIONS

6. INFINITE MANY

I'm really sorry if the pic is kinda confusing lol

the cut part is "subtract 3x both sides of the equation"

Answer:

1. 6-5=1

2. 36+1=37

3. 1*37=37

Answer: 37

The total number of cards sold on mother's day are 700 from the given percentage.

A percentage is a figure or ratio expressed as a fraction of 100 in mathematics. Although the abbreviations "pct.", "pct.", and occasionally "pc" are also used, the percent symbol, "%," is frequently used to indicate it. A percentage is a figure without dimensions and without a standard measurement. A percentage is a number or ratio that, in mathematics, indicates a portion of one hundred. A dimensionless connection between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals. The symbol "%" is frequently put after the number to indicate percentages.

Let the total number of cards sold be =x

5% of x = 35

(5/100)*x= 35

x= 35*20=700

Therefore, 700 cards were sold on Mother's day.

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Answer:

16.666667 %

Step-by-step explanation:

1800 - 1500 = 300

x : 100 = 300 : 1800

x = 300 · 100 / 1800

x = 300/ 18

x = 100/6

x = 16.666667 %

Answer:5/6=25/blank

Step-by-step explanation:so 5/6 the top is times five forget the bottom for now just think of 5 and 25

[5x5] equals 25 so you already got the top

now for the bottom since you multiply the top by five you have to do that to the bottom so that will be    [6x5] that equals 30 so you got your answer

[25/30]

Answer:

Maybe negative or undefined?

Step-by-step explanation:

An example of a one-to-one function that is an isomorphism between sets P and Q is the function f: P -> Q defined as f(x) = 2x, where P and Q are the sets of integers.

An example of a one-to-one function that is an isomorphism between sets P and Q is the function f: P -> Q defined as f(x) = 2x, where P and Q are the sets of integers.

This function is one-to-one because for every element x in P, there is a unique element 2x in Q. It is onto because every element y in Q has a preimage x in P such that f(x) = y (e.g., y/2 = x).

Furthermore, this function preserves the group structure between P and Q, as it satisfies the properties of an isomorphism. In this case, the group structure is addition, and the function f preserves addition: f(x + y) = 2(x + y) = 2x + 2y = f(x) + f(y) for all x, y in P.

Therefore, the function f: P -> Q defined as f(x) = 2x is an example of a one-to-one function that is an isomorphism between sets P and Q.

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Answer:

The first value of a relation is an input value and the second value is the output value. A function is a specific type of relation in which each input value has one and only one output value.

An input is an independent value, and the output value is the dependent value, as it depends on the value of the input.

Answer:

The hammer reaches the river after 15.8 seconds.

Step-by-step explanation:

The formula to find for how long it takes for the hammer to reach the ground is given by:

\(t = \frac{\sqrt{h}}{4}\)

In which h is the initial height.

A construction worker drops a hammer while building the Grand Canyon skywalk 4,000ft above the Colorado River.

This means that \(h = 4000\).

So

\(t = \frac{\sqrt{4000}}{4}\)

\(t^2 = \frac{4000}{16}\)

\(t^2 = 250\)

\(t = \sqrt{250}\)

\(t = 15.8\)

The hammer reaches the river after 15.8 seconds.

This average will be an example of statistics.

Let’s look at our question:

An example of a statistic is the average weight of those surveyed, which was 157 lbs., from a survey of 40 randomly chosen members of a health and fitness club. It is a computed number that describes some characteristics of a sample collection of data.

What is Statistic?

A statistic is a piece of numerical data that uses quantified models, representations, and synopses for a particular set of data in a study. Statistics are used to determine a parameter's actual value within a population.

Therefore our question will be an example of statistics.

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I'll draw a table

Equation 2y = 5x + 11

y = 5/2 x + 11/2

When x Substitution y

0 y = 5/2(0) + 11/2 11/2 or 5.5

2 y =5/2(2) + 11/2

y =5 + 11/2

y = 21/2 21/2

1 y = 5/2(1) + 11/2

y = 5/2 + 11/2

y = 16/2 8

Points

(0, 5.5)

(1, 8)

(2, 10.5)

Answer:

Justin has 10 nickels and 5 dimes.

Step-by-step explanation:

Given that Justin has x nickels and y dimes, and he has a minimum of 15 coins worth at most $ 1 combined, to determine one possible solution the following calculation must be performed:

Nickel = 0.05

Dime = 0.10

15 x 0.05 + 0 x 0.1 = 0.75

14 x 0.05 + 1 x 0.1 = 0.80

13 x 0.05 + 2 x 0.1 = 0.85

12 x 0.05 + 3 x 0.1 = 0.90

11 x 0.05 + 4 x 0.1 = 0.95

10 x 0.05 + 5 x 0.1 = 1

So, Justin has 10 nickels and 5 dimes.

Answer:

2640 cubic feet

Step-by-step explanation:

V(l·w·h) = 240* x 11 = 2640

*240 is already the length x width

Answer:

x<-12 or x>16

Step-by-step explanation:

Answer:

|x - 2| + 3 > 17

|x - 2| > 14

x - 2 < -14 or x - 2 > 14

x < -12 or x > 16

Answer:

$1,000.

Step-by-step explanation:

200 kids divided by 25% or 4 = 50 then 50 x 20 = 1,000.

Solution:

Given the f(x) function expressed as

The range of the function f(x) is the set of dependent variables or values for which the f(x) function is defined.

Thus, the range of the function is

The correct option is B.

Answer:

x=4 is =0 that it

Answer:

the first one

Step-by-step explanation:

The cost to mail a 2-lb package is $7.

The cost to mail a 2-lb, 1 oz package is $7+$0.30(1).

That to mail a 2-lb, 2 oz package is $7+$0.30(2) = $7.60.

Following this pattern, the general formula is f(x) = $7 + $0.30x, where x represents the number of ounces OVER 2 lb.