If you are trying to determine if an input variable may affect your key characteristic (output variable) by examining the
correlation between variables, you should use the tool: D. Scatter plot diagram. therefore, option D.Scatter plot
diagram is correct.
A scatter plot diagram is a graphical representation of the relationship between two variables. It can help you visualize
the correlation between the input and output variables, making it easier to determine if there is a potential cause-and-
effect relationship.
The tool that you should use to examine the correlation between variables is D. Scatter plot diagram.
A scatter plot diagram is a graphical representation that displays the relationship between two variables.
The x-axis represents the input variable, while the y-axis represents the output variable.
By plotting the data points on the scatter plot diagram, you can visually analyze the correlation between the variables.
If there is a strong positive or negative correlation between the variables, it suggests that the input variable may affect
the key characteristic (output variable).
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D. Scatter plot diagram is the tool that should be used to examine the correlation between variables to determine if an input variable may affect your key characteristic (output variable).
The scatter plot diagram is a graphical representation that displays the relationship between two variables, and it is commonly used to identify patterns, trends, and correlations between variables. By examining the scatter plot diagram, you can determine whether there is a positive, negative, or no correlation between the variables, which can help you to identify potential cause-and-effect relationships.
To determine if an input variable may affect your key characteristic (output variable) by examining the correlation between variables, you should use:
A scatter plot diagram is a graphical tool that helps visualize the relationship between two variables, allowing you to identify any correlation between the input and output variables.
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A pizza restaurant is having a contest. The restaurant advertises that one out of every 25 customers will win a small pizza. What is the probability that a customer will win?
Which variable is represented by range in a linear function?
A. x-variable
B. y-variable
C. None of the above
D. All of the above
Which variable is represented by range in a linear function?
A. x-variable
Use the distributive property to write an equivalent expression.
2(8v+2)
Answer:
16v+4
Step-by-step explanation:
2(8v+2) = 16v+4
6x4y how do I solve this?.
Answer:
24y
Step-by-step explanation:
Multiple 6x4 to get 24
and then put the y in to
get your answer
solution÷
6×4y
6×4y=0
multiply 6×4y
24y=0
now send 24 to the right side and divide
y=0÷24
therefore,y=0
If at a toy store, 2 board games cost $13.40, what is the unit price of a board game?
Answer:
The unit price of a board game is $6.70
Step-by-step explanation:
1 board/2boards = x/13.4
Cross multiply:
13.4*1/2x
13.4/2x
x=6.7
Hope this helps plz hit the crown :D
\((x - 7)(x - 5)\)
Step-by-step explanation:
X=7 or x=5
It might be two answer to this question
\(\huge\textsf{Hey there!}\)
\(\large\textsf{(x - 7) (x - 5)}\)
\(\large\text{DISTRIBUTE each of the numbers}\)
\(\large\textsf{x(x) + (-5)x + (-7(x) + (-7)(-5)}\)
\(\large\textsf{x(x) = \bf x}\bf ^2\)
\(\large\textsf{x(-5) = \bf -5x}\)
\(\large\textsf{-7(x) = \bf -7x}\)
\(\large\textsf{(-7)(-5) = \bf 35}\)
\(\mathsf{x^2 - 5x -7x + 35}\)
\(\large\text{COMBINE the LIKE TERMS}\)
\(\mathsf{x^2 -(5x - 7x) + 35}\)
\(\mathsf{-5x -7x = \bf -12x}\)
\(\mathsf{x^2 - 12x + 35}\)
\(\boxed{\huge\text{Answer: \bf x}^2 \huge\text{\bf - 12x + 35}}\huge\checkmark\)
\(\large\text{Good luck on your assignment and enjoy your day!}\)
~\(\frak{Amphitirite1040:)}\)
The formula C=3.14d can be used to approximate the circumference of a circle given its diameter. Company A manufactures and sells a certain washer with an outside circumference of 11 centimeters. The company has decided that a washer whose actual circumference is in the interval 10.8≤C≤11.1 centimeters is acceptable. Use a compound inequality and find the corresponding interval for diameters of these washers.
The corresponding interval for diameters of the washers is …
If you put “I don’t know” or something like that just for the points, I’ll report you.
The corresponding intervals for diameters of the washers as given in the task content is; 3.44 ≤ d ≤ 3.76.
What is the corresponding interval for the diameters of the washer?It follows from the task content that the corresponding interval for ths diameter of the washers is to be determined given the circumference interval.
On this note, since the formula given is;
C = 3.14d.
By making d the subject of the formula;
d = C / 3.14.
Therefore, since the lower limit of the circumference is; 10.8 and the upper limit is; 11.1
The lower and upper limit of the diameter, d can be evaluated as follows;
lower limit of d is; d = 10.8 / 3.14 = 3.44
Upper limit of d is; d = 11.1 / 3.14 = 3.76
Therefore, the required interval for diameters of the washers is; 3.44 ≤ d ≤ 3.76.
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payments of $1400 each year for 8 years at 6ompounded annually
If you make annual payments of $1400 for 8 years at a 6% interest rate compounded annually, the total amount accumulated over the 8-year period would be approximately $12,350.
To explain further, when you make annual payments of $1400 for 8 years, you are essentially depositing $1400 into an account each year. The interest rate of 6% compounded annually means that the interest is added to the account balance once a year.
To calculate the total amount accumulated, you can use the formula for the future value of an ordinary annuity:
FV = P * ((1 + r)^n - 1) / r
where FV is the future value, P is the payment amount, r is the interest rate per compounding period (in this case, 6% or 0.06), and n is the number of compounding periods (in this case, 8 years).
Plugging in the values, we have:
FV = $1400 * ((1 + 0.06)^8 - 1) / 0.06
≈ $12,350
Therefore, the total amount accumulated over the 8-year period would be approximately $12,350.
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It costs $2 to download a song and $12 to download an entire album. Jorge has $50 to spend on downloading music. Create an inequality that represents the number of songs (s ) and albums (a ) that Jorge could download.
The inequality that represents the number of songs and albums that Jorge could download is:
$2*s + $12*a ≤ $50
How to write the inequality?Here we have the variables:
s = number of songs.
a = number of albums.
Then the total cost can be written as:
$2*s + $12*a
And we know that Jorge has a maximum of $50 to spend, so the total cost can be equal to or smaller than $50, so the inequality is:
$2*s + $12*a ≤ $50
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From the top of a 6m house, the angle of elvation to the top of a flappole is across the street is 9 degrees. the angle of depression is 22 degrees to the base of the flapole. Redraw the diagram below and label all the angles. How tall is the flagpole? Round naswer to one decimal place.
The height of the flag pole which is described as in the task content is; 8.2m.
What is the height of the flagpole as described from the top of the 6m house?The horizontal distance between the 6m house and the flagpole in discuss can be evaluated by means of the angle of depression and trigonometric identity, tan as follows;
tan 22° = 6/x
x = 6/tan 22 = 14.9m.
Consequently, the horizontal distance from the top of the house to the top of the flagpole is therefore;
tan 9° = y/14.9
y = 14.9 tan 9° = 2.2m
Ultimately, the height of the flagpole is; 6+2.2 = 8.2m.
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Your uncle has $1,375,000 and wants to retire. He expects to live for another 25 years and to earn 5.5% on his invested funds. How much could he withdraw at the end of each of the next 25 years and end up with zero in the account?
SORRY PLEASE DELETE THIS ANSWER IT ISN'T GOOD AND IS INCOMPLETE I ACCIDENTALLY WROTE IT
a ladder 25 feet long is leaning against the wall of a house. the base of the ladder is pulled away from the wall at a rate of 2 feet per second. Consider the triangle formed by the side of the house. Find the rate at which the area of the triangle is changing when the base of the ladder is 15 feet from the wall.
The Derivative rate at which the area of the triangle is changing when the base of the ladder is 15 feet from the wall is -3/2 square feet per second.
Let's call the height of the triangle "h" and the base of the triangle "b".
We know that the ladder is 25 feet long, so it is the hypotenuse of the triangle. Using the Pythagorean theorem, we can write:
h^2 + b^2 = 25^2
Differentiating both sides of this equation with respect to time (t), we get:
2h dh/dt + 2b db/dt = 0
We want to find dh/dt (the rate at which the height of the triangle is changing) when b = 15 feet and db/dt = 2 feet per second.
At this point, we can use the Pythagorean theorem again to find h:
h^2 + 15^2 = 25^2
h^2 = 25^2 - 15^2
h = 20 feet
Now, plug in the values and solve for dh/dt:
2(20) dh/dt + 2(15)(2) = 0
40 dh/dt = -60
dh/dt = -3/2 feet per second
(the negative sign indicates that the height is decreasing as the base is pulled away from the wall.)
So the derivate rate at which the area of the triangle is changing when the base of the ladder is 15 feet from the wall is -3/2 square feet per second.
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Find the circumference of the object. Use 3.14 or
22/7 for . Round to the nearest hundredth if necessary.
Answer:
C = 3.14 ft
Step-by-step explanation:
C = 2πr
Step 1: Define
r = 0.5 ft
Step 2: Substitute and Evaluate
C = 2π(0.5 ft)
C = 1π ft
C = π ft
C = 3.14 ft
Answer:
3.14
Step-by-step explanation:
PLEASE HELP!
Use the bar graph to find the relative frequency of the event.
The relative frequency of spinning a 6 is ___
i think its 7
Hope this helps
-scav
Answer: 14%
Step-by-step explanation:
gabriella went to the restaurant traveling 30 mph and returned home traveling 10 mph. if the total trip took 8 hours, how long did gabriella travel at each speed?
Let's assume that Gabriella traveled $x$ hours at 30 mph and $y$ hours at 10 mph. We know that the total trip took 8 hours, so we can write an equation based on the time:
$$x+y=8$$
We also know that the distance traveled going to the restaurant is the same as the distance traveled coming back home. Let's call this distance $d$. We can use the formula $d=rt$ to express this relationship:
$$30x=10y$$
Now we have two equations with two unknowns:
$$\begin{aligned} x+y&=8 \ 30x&=10y \end{aligned}$$
We can solve for $x$ and $y$ by using substitution. Solving the second equation for $y$, we get:
$$y=3x$$
Substituting this expression for $y$ in the first equation, we get:
$$\begin{aligned} x+3x&=8 \ 4x&=8 \ x&=2 \end{aligned}$$
Therefore, Gabriella traveled 2 hours at 30 mph and 6 hours at 10 mph.
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if output increases by 5 percent and population growth is 3 percent, per capita output grows by about:
In this case, 5 percent - 3 percent = 2 percent. However, since we are interested in per capita output,the growth relative to the population size. Dividing the 2 percent growth by the population growth rate of 3 percent and multiplying by 100 gives us approximately 1.94 percent.
To provide a more detailed explanation, per capita output refers to the average output per person in a population. It is calculated by dividing the total output by the population size. When output increases, it can be due to factors such as technological advancements, increased productivity, or expanded production capacity. Population growth, on the other hand, refers to the increase in the number of individuals in a population over time.
When output increases by 5 percent, it indicates that the total output has grown. However, to determine the per capita output, we need to account for the population growth as well. If the population is growing at a rate of 3 percent, it means that the number of individuals in the population is increasing. This increase in population should be considered when calculating the per capita output.
By subtracting the population growth rate of 3 percent from the output growth rate of 5 percent, we obtain the net growth in per capita output, which is approximately 2 percent. This means that on average, each person in the population experiences a growth in output of approximately 1.94 percent after accounting for population growth.
It's important to note that these calculations assume that the output growth and population growth rates are constant and apply uniformly across the entire population. In reality, variations in growth rates and population dynamics can lead to different outcomes.
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Use the Error Bound to find the least possible value of N for which Error(SN) 1 x 10-9in approximating using the result that Er)180N rTor (SN) where K4 is the least upper bound for all absolute values of the fourth derivatives of the function 3e on the interval [a, b) N- 306.97
The least possible value of N for which the error in approximating the function 3e using the given error bound of is 307.
To find the least possible value of N for which the error in approximating the function using the result that Er≤\((180/N)^(r-1)\)Tₙ, we need to use the given error bound of 1 x \(10^-9\), the fourth derivative of the function, and the interval [a, b).
Let K₄ be the least upper bound for all absolute values of the fourth derivatives of the function 3e on the interval [a, b). We know that:
Error(Sₙ) ≤ \((180/N)^(r-1)\)Tₙ
We need to find N, so we can rearrange this equation to isolate N:
N ≥ \((180/Err(Sₙ)Tₙ)^(1/(r-1))\)
Substituting the given values, we get:
N ≥ \((180/(1 x 10^-9)Tₙ)^(1/3)\)
N ≥ \((180/(1 x 10^-9)(b-a)^4K₄/4!)^(1/3)\) (since r=4 for the fourth derivative)
N ≥ \((180/(1 x 10^-9)(1)^4K₄/4!)^(1/3)\) (assuming the interval [a, b) is [0, 1])
N ≥\((180/(1 x 10^-9)(1)K₄/24)^(1/3)\)
N ≥ (\(4320/K₄)^(1/3)\)
N ≥ 306.97 (since K₄ is a positive constant)
N = 307.
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a student says that the solution of 375=x-28 is 347 explain the students error and find the correct answer
The given equation is:
375 = x - 28
To solve the equation:
Collect like terms
The -28 crosses the equality sign to the left and becomes 28
The equation then becomes:
375 + 28 = x
x = 403 (correct answer)
The students error is that when he collected like terms, he did not change the "-" sign in -28 to +
He did 375 - 28 = x
x = 347 (wrong)
Can someone help me solve this :): ?
( brainliest to the correct answer/explanation)
Answer:
1and1/2yrs ago
Step-by-step explanation:
price dis year= 56545
reduction per year= 11309
...number of years ago = 73810-56545=17265
and is about 20% of annual deductions
so if 56545 +20% + 1/2 20% = 1nd1/2 yrs
Solve the equation, justify each step with an algebraic property. -11 = -12+ 2x +3
Answer:
-1
Step-by-step explanation:
Given the equation :
-11 = - 12 + 2x + 3
Collect like terms
-11 + 12 - 3 = 2x
-2 = 2x
-2 /2 = 2x/2
x = - 1
Answer:
\(x = -1\)
Step-by-step explanation:
Given the equation \(-11 = -12 + 2x + 3\) find \(x\)
For resolve this you have to do basic algebraic operations in both sides of the equation, as follow:
First substract -3 in both sides of the equation
\(-14 = -12 + 2x\)
Later sum 12 in both sides of the equation
\(-2 = 2x\)
The final step is multiply by \(\frac{1}{2}\) each side of the equation
\(-1 = x\)
So the final answer is \(x = -1\)
is 2 +43 negative or postive ?
Answer:
Positive...
2+43
equals 45
Step-by-step explanation:
hope this helps
2 + 43 = 45
Positive is the answer.
A rectangular solid (with a square base) has a surface area of 433.5 square centimeters. Find the dimensions that will result in a solid with maximum volume. 1. ____ cm (smallest value). 2. _____ cm 3. ______ cm (largest value)
Hence, 1) 6 cm (smallest value), 2) 6 cm, and 3)15.167 cm are the approximate dimensions which will result in a material with the biggest volume (largest value).
Describe surface area using an example.A 3D object's surface area is indeed the entire area that all of its faces cover. For instance, the surface area of a cube has been its surface area if we need to determine how much paint is needed to paint it. It's always calculated in square units.
Let the height be y as well as the side length of a square base be x. The rectangular solid's surface area is then determined by:
When we simplify this equation, we obtain:
The rectangular solid's volume is determined by:
V = x² × y = x² × (433.5 - 4x²) / (2x)
When we simplify this equation, we obtain:
V = 216.75x - 2x³
We must determine the value of x that maximizes V in order to determine the dimensions that lead to a solid with the maximum volume. Using V's derivative with x as the base, we can calculate:
dV/dx = 216.75 - 6x²
By setting this to 0 and figuring out x, we obtain:
216.75 - 6x² = 0
x² = 36.125
x ≈ 6.005
When we rewrite the equation for y using this value of x, we obtain:
y ≈ 15.167
Thus, the following dimensions will produce a solid with the largest volume:
1. 6 cm (smallest value)
2. 6 cm
3.15.167 cm (largest value)
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3. Find the height of the tree below to the nearest foot.
The height of the tree to the nearest foot is 27 feet.
How to find the height of a tree?The height of the tree can be found as follows:
The height of the tree can be found using trigonometric ratios. Therefore,
let
tan ∅ = opposite / adjacent
Therefore,
opposite side = adjacent tan ∅
Hence,
height of the tree = 20 + x tan 45° = x tan 75°
20 + x tan 45° = x tan 75°
20 tan 45 + x tan 45° = x tan 75°
20 tan 45 = x tan 75° - x tan 45°
20 tan 45 = x(tan 75 - tan 45)
20 tan 45 = x(3.73205080757 - 1)
2.73205x = 20
x = 20 / 2.73
x = 7.32600732601
x = 7.34
Therefore,
height of the tree = x tan 75°
height of the tree = 7.34 × tan 75°
height of the tree = 27.3186119114
height of the tree = 27 ft
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Simplify
3 x 34
leaving your answer in index form.
Answer:
Multiply 34 by 3
102x
PLEASE HELP ME I AM DESPERATE
Answer: B 5+5=10+4+4+4=12+3 10+12+3 25 lol
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Perimeter is addition of all the sides
so add them
5+4+4+3+4 =20
What is the x coordinate for the patch (and any other patch on the left face)?
The x coordinate for the patch (and any other patch) on the left face of an object is the smallest x value within the object's domain, as it corresponds to the position of the left face in relation to the coordinate system. All patches on the left face share this same x coordinate value, regardless of their location on the face.
To answer this question about the x coordinate for the patch on the left face, let's break it down:
1. Identify the left face: First, we need to recognize which face of the object is the left face. This is typically the side that faces left when looking at the object in its standard orientation.
2. Find the x coordinate: Since the left face of an object is perpendicular to the x-axis, the x coordinate for any point (or patch) on that face will be the same. This means that all patches on the left face share the same x coordinate value.
3. Determine the specific x coordinate value: To find the actual value of the x coordinate, examine the object's dimensions and/or coordinate system. The x coordinate for the left face will be the smallest x value within the object's domain.
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Chris's family plans to drive 220 miles to their vacation spot. They would like to complete their drive in 4 hours. Find the average speed in miles per hour needed in order to make the trip in the required time.
Answer:
24.59 m/s
Step-by-step explanation:
Average speed(m/s) = distance travelled(m) / time taken(s)
Distance = 220 miles
220 miles = 354,056 meters
Time taken = 4 hours
4 hours = 14,400 seconds
Average speed = distance travelled / time taken
= 354,056 / 14,400
= 24.59 meter/seconds
= 24.59 m/s
Does posting calorie content for menu items affect people's choices in fast food restaurants? according to results obtained by elbel, gyamfi, and kersh (2011), the answer is no. The researchers monitored the calorie content of food purchases for children and adolescents in four large fast food chains before and after mandatory labeling began in new york city. Although most adolescents reported noticing the calorie labels, apparently the labels had no effect on their choices. A researcher decides to replicate this study in the twin cities by showing one sample of children and adolescents a menu without calorie content and another sample a menu with calorie content. What test should you use to determine whether knowing the calorie content influences the mean number of calories of food purchased by children and adolescents?
A two-sample t-test should be used to determine whether knowing the calorie content influences the mean number of calories of food purchased by children and adolescents.
The appropriate test to determine whether knowing the calorie content influences the mean number of calories of food purchased by children and adolescents is a two-sample t-test. This test compares the means of two independent groups (with and without calorie content labels) to determine if there is a significant difference between them. The null hypothesis would be that there is no significant difference in the mean number of calories purchased between the two groups, while the alternative hypothesis would be that there is a significant difference in the mean number of calories purchased between the two groups. The t-test would allow the researcher to determine whether the calorie labels had a statistically significant effect on the food choices of the children and adolescents in the study.
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Please help me as fast as possible! I really need help! I’ll mark as brainliest for correct answers. Please help me
Hello !
See attachment.
Rewrite r=1.5 sin theta in rectangular form
The polar curve r = 1.5sinθ in rectangular form is x² + y² - 1.5y = 0
How to write the polar curve in rectangular form?Since we have the polar curve r = 1.5sinθ and we want to convert it to rectangular form, we proceed as follows
We know that in rectangular form the polar curve is
x = rcosθ (1) and y = rsinθ (2)x² + y² = r² (3)So, multiplying r = 1.5sinθ by r, have that
r = 1.5sinθ
r × r = r × 1.5sinθ
r² = 1.5rsinθ
Substituting this into equation (3), we have that
x² + y² = r² (3)
x² + y² = 1.5rsinθ (4)
From equation (2), y = rsinθ
So, substituting this into equation (4), we have that
x² + y² = 1.5rsinθ
x² + y² = 1.5y
x² + y² - 1.5y = 0
So, the rectangular form is x² + y² - 1.5y = 0
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