Based on your knowledge of the two data sets described below, would you expect a scatter plot describing the two data sets to have a no correlation.
Based on my knowledge, I would not expect there to be a strong correlation between hourly pay and total number of sick days allowed. These two variables are not directly related to each other and there is no clear reason to expect a positive or negative correlation between them. Therefore, I would expect the scatter plot to show no correlation between the two variables. However, it's worth noting that without actually seeing the data, it's difficult to definitively determine whether there is any correlation present.
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If 20 employees work in the office and 28 work in warehouse. What is the ratio of employees who work in the office to employees who work in the warehouse?
The ratio of employees who work in the office to employees who work in the warehouse is 5: 7
A ratio is a comparison of two quantities, and it is expressed as a fraction.
To find the ratio of employees who work in the office to employees who work in the warehouse, we need to first determine the total number of employees. In this case, we add the number of employees in the office (20) to the number of employees in the warehouse (28), which gives us a total of 48 employees.
Next, we can express the ratio of office employees to warehouse employees as a fraction by using the following formula:
Ratio = Quantity of First Term / Quantity of Second Term
In this case, the first term is the number of employees who work in the office (20) and the second term is the number of employees who work in the warehouse (28). So, the ratio of office employees to warehouse employees is:
Ratio = 20 / 28
Simplifying this fraction, we get:
Ratio = 5 / 7
This means that for every 5 employees who work in the office, there are 7 employees who work in the warehouse.
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On a certain hot summer's day,482 people used the public swimming pool. The daily prices are $1. 50 for children and $2. 00 for adults. The receipts for admission totaled 815. 50 How many children and how many adults swam at the public pool that day?
There were 297 children and 185 adults who swam that day. Let x be the number of children and y be the number of adults who swam that day.
According to the problem, we know that:
x + y = 482 ---(1) (total number of people who swam)
1.5x + 2y = 815.5 ---(2) (total revenue generated)
To solve for x and y, we can use any method of solving a system of linear equations, such as substitution or elimination. Here's how to solve using the substitution method:
From equation (1), we can write:
x = 482 - y
Substituting this into equation (2), we get:
1.5(482 - y) + 2y = 815.5
Simplifying and solving for y, we find:
723 - 1.5y + 2y = 815.5
0.5y = 92.5
y = 185
Substituting this value of y back into equation (1), we find:
x + 185 = 482
x = 297
Therefore, there were 297 children and 185 adults who swam that day.
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1.1 write down the loan term of the truck in years
Answer:
if its 50,000k for example it is gonna be Loan term in years is 7 it depends on the price
Step-by-step explanation:
Someone please help with this question
A business owner wants to have the front window of her store painted and is considering two artists for the job. Mariana has quoted a flat rate of $135 for the job. Vincent's quote is $34 per hour, plus $67 to cover the cost of materials. Depending on how long it takes Vincent to paint the window, these two could end up charging the same amount. How much would it cost? How long would Vincent have to take?
Answer:
Step-by-step explanation:
Mariana's quote: 135
Vicent's quote: 34x+67
Say x=1, 34(1)+67=101
For 1 hour of Vincent's work it would be $101.
Say x=2. 34(2)+67=135
Vincent would have to work for two hours to charge the exact same as Mariana.
Jude types 1,274 characters in 7 minutes. What is her typing rate in characters per minute?
A.
187 characters per minute
B.
184 characters per minute
C.
182 characters per minute
D.
179 characters per minute
Using arithmetic operation Jude's typing rate is 182 characters per minute, which is option C.
What is arithmetic operation?
A subject of mathematics known as arithmetic operations deals with the study and use of numbers in all other branches of mathematics. Basic operations including addition, subtraction, multiplication, and division are included.
To find the typing rate in characters per minute, we need use arithmetic operation of division.
Divide the number of characters by the number of minutes -
Typing rate = Number of characters / Number of minutes
In this case, Jude types 1,274 characters in 7 minutes, so her typing rate is -
Typing rate = 1274 / 7 = 182
Therefore, the typing rate is 182 characters/minute.
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Can somebody please look at the picture and help me
The relation does not relate y as a function of x because point (2,2) and (3,2) have the same y value. Hence, option 2 is the correct answer.
What is a function?A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain. The usual way to refer to a function is as f(x), where x is the input. A function is typically represented as y = f. (x).
We know that a function is a relationship between inputs where each input is related to exactly one output.
In the given graph (2,2) and (3,2) have the same y value that is two inputs have same output.
Hence, the relation does not relate y as a function of x because point (2,2) and (3,2) have the same y value and option 2 is the correct answer.
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What would be the answer?
a) Sin2θ = 22/20 = 11/10
b) cos 2θ = 2(17/20) = 17/10
c)tan 2θ = 2(11/17) = 22/17
What are the trigonometric ratios?The trigonometric ratios are six functions that relate the angles of a right triangle to the lengths of its sides. The six trigonometric ratios are: sine (sin), cosine (cos), tangent (tan), cosecant (csc), secant (sec), and cotangent (cot).
Sine (sin): The sine of an angle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.
Cosine (cos): The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.
Tangent (tan): The tangent of an angle is the ratio of the length of the side opposite the angle to the length of the adjacent side.
If sin θ = 11/20
The missing side of the triangle is;
b = √20^ - 11^2
b = 17
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Factor 64+56. Write your answer in the form a(b+c) where a is the GCF of 64 and 56.
Answer:
8(8+7)
Step-by-step explanation:
64+56
8 is the GCF
8(8+7)
(2x^-2y^3/3xy^-4) write answer only using positive exponents
By using only the positive exponents , the answer of the expression (2x⁻²y³/3xy⁻⁴) is (2y⁷)/(3x³) .
The Exponents, are defined as a shorthand way of representing the repeated multiplication of a base number by itself. The exponent is the small raised number that indicates how many times the base number is multiplied by itself.
For example, in the expression 2⁴, the base number is 2 and the exponent is 4,
We use the law of exponents to simplify the expression :
the expression is : (2x⁻²y³/3xy⁻⁴) ;
by using the rule that : a⁻ⁿ = 1/aⁿ ;
we get ;
⇒ (2y³y⁴)/(3xx²) ;
On adding the exponents having the same base ,
we get ;
⇒ (2y⁷)/(3x³) ;
Therefore , the simplified value of (2x⁻²y³/3xy⁻⁴) is (2y⁷)/(3x³) .
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The given question is incomplete , the complete question is
Write answer only using positive exponents , (2x⁻²y³/3xy⁻⁴) .
Find the inequality based on the graph
The inequality represented by the graph is given as follows:
y < 4x - 2.
How to obtain alinear function?
The slope-intercept definition of a linear function is given as follows:
y = mx + b.
In which:
The slope m represents the rate of change.The intercept b represents the value of y when x = 0.The graph crosses the y-axis at y = -2, hence the intercept b is given as follows:
b = -2.
When x increases by 1, y increases by 4, hence the slope m is given as follows:
m = 4.
The values to the left of the line are shaded, hence the inequality represented by the graph is given as follows:
y < 4x - 2.
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A coffee shop recorded the drinks that were recently sold. There is 1 mocha, 3 macchiatos, 5 Americanos, 7 lattes, and 4 espressos! Considering this data, how many of the next 15 drinks sold would you expect to be espressos?
Answer:
one fifth would be espressos so 3
Step-by-step explanation:
Volume of right circular cylinder if radius is 7 and hight is 1. 5
The volume of the right circular cylinder with a radius of 7 and a height of 1.5 is 110.25 cubic units.
The volume of a right circular cylinder can be calculated using the formula:
V = π * r² * h
Where r is the radius and h is the height of the cylinder.
Plugging in the values for r and h, we get:
V = π * 7² * 1.5
V = π * 49 * 1.5
V = 73.5 * 1.5
Therefore, V = 110.25
So the volume of the right circular cylinder with a radius of 7 and a height of 1.5 is 110.25 cubic units.
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verify the identity (cos 2x)/(sin x)=csc x-2sinx
Use identities:
cos 2x = 1 - 2sin² xcsc x = 1 / sin xThen apply to the left side of the given equation:
cos 2x / sin x = Substitute(1 - 2sin² x) / sin x = Distribute1 / sin x - 2sin² x / sin x = Simplifycsc x - 2sin x AnswerProved
What is the value of y in the parallelogram below?
65⁰
/5yº
A. 13
B. 60
C. 110
D. 23
K
Answer: D, 25
Step-by-step explanation:
A parallelogram is 360 degrees, and every angle appears twice, so we can set up an equation to solve for the missing variable.
[tex]360 = 2(65) + 2(5y)[/tex]
Multiplying each angle by two shows that each angle appears twice in the shape, and once we multiply the values, we can simplify the equation to:
[tex]360-130=10y[/tex]
360 - 130 is 230, so divide both sides by 10 and you get 23 as the answer.
which of the points shown below are on the line given by the equation y=x+4? check all that apply.
point a: (-1,3)
point b: (2,6)
point c: (-2,-2)
point d: (2,4)
Step-by-step explanation:
These points are in (X, Y) form. What you want to do is plug in the X coordinates into the equation and see if it equals the Y coordinate.
Equation: Y = X + 4
Point A: (-1, 3)
(-1) + 4 = 3
Point B: (2, 6)
(2) + 4 = 6
Point C: (-2, -2)
(-2) + 4 = 2
Point D: (2, 4)
(2) + 4 = 6
Only point A and point B equal their Y coordinate, making A and B the only correct answers.
true or false? a. a 95% confidence interval for the odds ratio between mi (yes, no) and treatment (placebo, aspirin) is (1.44, 2.33). if we form the table with aspirin in the first row (instead of placebo), the confidence interval is (1/2.33, 1/1.44)
The statement is true. A confidence interval is a range of values that is likely to contain the true value of the parameter with a certain degree of confidence.
In this case, we are interested in the odds ratio between MI (yes, no) and treatment (placebo, aspirin).
If the 95% confidence interval for the odds ratio between MI and placebo is (1.44, 2.33), this means that we can be 95% confident that the true odds ratio falls between these two values. This implies that the odds of having an MI are between 1.44 and 2.33 times greater for those taking the placebo compared to those taking aspirin.
When we switch the rows so that aspirin is in the first row, we need to take the reciprocal of the upper and lower bounds of the confidence interval to get the new interval. This is because the odds ratio is calculated as the odds of MI for one group divided by the odds of MI for the other group, and switching the groups changes the ratio.
So, if we take the reciprocal of the lower and upper bounds of the original interval, we get:
1/2.33 and 1/1.44
which is the new 95% confidence interval for the odds ratio when aspirin is in the first row. Therefore, the statement is true.
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At a farmer’s market, a vendor sells soup that comes in two different-sized containers, both shaped like cylinders. When the small container is filled, it holds
10
10 ounces of soup. The larger container’s diameter is
5
2
2
5
times larger than the small container’s diameter, and it is
5
2
2
5
times taller than the small container. How many ounces of soup will the larger container hold when filled?
You may round your answer to one decimal place
The larger container will hold 500 ounces of soup when filled.
We know that the formula for the volume of cylinder is: V = πr²h
Let us assume that for the smaller container, d₁ represents the diameter, r₁ represents the radius, h₁ represents the height of the container and v₁ represents the volume of the container.
So, using above formula, the volume of the smaller container would be,
v₁ = π × r₁² × h₁
10 = π × r₁² × h₁
For the larger container, d₂ represents the diameter, r₂ represents the radius, h₂ represents the height of the container and v₂ represents the volume of the container.
Using above formula, the volume of the larger container would be,
v₂ = π × r₂² × h₂
The larger container’s diameter is 5 times larger than the small container’s diameter.
so, we get an equation
⇒ d₂ = 5d₁
⇒ r₂ = 5r₁
Also, the lrger container is 2 times taller than the small container.
⇒ h₂ = 2h₁
Consider the ratio of volume of larger cotainer to the volume of smaller container.
v₁/v₂ = (π × r₁² × h₁) / ( π × r₂² × h₂)
10/v₂ = (r₁² × h₁) / ( (5r₁)² × (2h₁))
10/v₂ = (r₁² × h₁) / ( 50 × r₁² × h₁)
10/v₂ = 1/50
v₂ = 500 ounces
which is 50 times more than the smaller container.
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The complete question is:
At a farmer’s market, a vendor sells soup that comes in two different-sized containers, both shaped like cylinders. When the small container is filled, it holds10 ounces of soup. The larger container’s diameter is 5 times larger than the small container’s diameter, and it is 2 times taller than the small container. How many ounces of soup will the larger container hold when filled?
A cookie company made 40 batches of
cookies in 8.25 hours. Assuming a constant
rate of production, at what rate, in hour(s) per
batch, was the cookies made?
The hourly rate that the batches of cookies were made is given as follows:
4.85 batches per hour.
How to obtain the hourly rate?The hourly rate is obtained applying the proportions in the context of the problem.
A proportion is applied as the rate is obtained dividing the total production by the time in hours.
The parameters for this problem are given as follows:
Production of 40 batches.Time of 8.25 hours.Hence the rate is given as follows:
40/8.25 = 4.85 batches per hour.
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Put brackets into this calculation to make it correct.
6 x 1.5 + 4.9 x 4 = 55.6
Answer:
(6 x 1.5 + 4.9) x 4 = 55.6
Step-by-step explanation:
Rate my profile pic 1-10
Answer:
10
Step-by-step explanation:
i love how you look like a dinosaur
. a school has 100 business majors, 60 math majors, and 40 psych majors. every student at the school belongs to one and only one of these majors. three different students are chosen to be interviewed for a focus group. how many ways are there to choose this focus group where all three students do not all come from the same major?
Number of ways are there to choose this focus group where all three students do not all come from the same major is 240,000
It is given that a school have three majors i.ie, business, math and psych
Number of students in business majors is 100
Number of students in math majors is 60
Number of students in psych majors is 40
Total number of students (100+60+40) = 200 students
Three different students are chosen to be interviewed for a focus group.
Therefore, number of student in focus group = 3
Now, number of ways are there to choose this focus group where all three students do not all come from the same major
= [tex]^{100}C_{1} \times ^{60}C_{1}\times^{40}C_{1}[/tex]
= 100×60×40
= 240,000 ways
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In a simple linear regression model we use the normal quantile plot of the residuals to evaluate if it is reasonable to assume the _____ come from a normal distribution.
a. Response Variable
b. Explanatory Variable
c. Observations
d. Errors
To determine whether the errors from the linear regression model are from a normal distribution, examine the normal quantile plot of the residuals.
Calculating the regression equation is the first step in a straightforward linear regression model. The link between the explanatory variable (x) and the response variable is modelled using this equation (y). A linear function of the explanatory variable, an intercept term, and an error term make up the regression equation. The errors or residuals (e), which indicate the difference between the observed and expected values of the response variable, are calculated as the following step. To evaluate the regression model's accuracy, the residuals are crucial. The residuals are then plotted using a normal quantile to see whether it is acceptable to believe that the errors are derived from a normal distribution. Because linear regression models presume that the errors are regularly distributed, this is significant. The residuals' normal quantile plot shows the distribution of the mistakes graphically, making it simpler to determine whether the errors follow a normal distribution. The linear regression model might not be the optimal one to employ if the errors do not follow a normal distribution.
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a rectangular bedroom is 5 ft longer than it is wide. its area is 84 ft2. what is the width of the room?
The width of the bedroom is approximately 7.32 feet.
A rectangle is a four-sided figure with opposite sides being equal and parallel. The area of a rectangle is given by multiplying the length and width of the rectangle.
Let's assume that the width of the bedroom is 'x' feet. We know that the length of the room is 5 feet longer than its width. Therefore, the length of the room will be (x+5) feet.
Now, we can use the given area of the bedroom to set up an equation:
Area of rectangle = Length x Width
84 = (x+5) x x
Simplifying this equation, we get:
84 = x² + 5x
Rearranging, we get:
x² + 5x - 84 = 0
This is a quadratic equation that can be solved using the quadratic formula:
x = (-b ± √(b² - 4ac))/2a
In this case, a = 1, b = 5 and c = -84. Substituting these values in the formula, we get:
x = (-5 ± √(5² - 4(1)(-84)))/2(1)
Simplifying this, we get:
x = (-5 ± √721)/2
We can ignore the negative root since the width of the bedroom cannot be negative. Therefore, the width of the bedroom is:
x = (-5 + √721)/2
x ≈ 7.32 feet
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prove by induction that if we remove the root of a k-th order binomial tree, it results in k binomial trees of the smaller orders. you can only use the definition of bk. per the definition, bk is formed by joining two bk−1 trees.
By induction, it can be concluded that if we remove the root of a k-th order binomial tree, it results in k binomial trees of the smaller orders.
1. To prove by induction that if we remove the root of a k-th order binomial tree, it results in k binomial trees of the smaller orders, we can use the following steps:
2. Base case: For k = 1, we have a single node, and if we remove the root, there is no tree left.
3. Inductive hypothesis: Suppose that the result holds for some k = n, that is, if we remove the root of an n-th order binomial tree, it results in n binomial trees of the smaller orders.
4. Inductive step: We need to prove that the result also holds for k = n + 1. To do this, we consider a (n + 1)-th order binomial tree. According to the definition, this tree is formed by joining two n-th order binomial trees. Let's call them T1 and T2. If we remove the root of this tree, the two subtrees T1 and T2 will become the n binomial trees of the smaller orders. These n binomial trees are all distinct because they correspond to the different possible combinations of nodes in the two subtrees T1 and T2.
Therefore, by induction, it can be concluded that if we remove the root of a k-th order binomial tree, it results in k binomial trees of the smaller orders.
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What percentage of calls with the Chicago service center answer within 10 seconds in January of 1994?
Answer:
Option B
Step-by-step explanation:
The green graph represents the percentage of calls with the Chicago service center.
For December 1993, the percentage of calls is coming out to at least 95 percent. In addition, the graph is increasing as months go by. Based on these two analysis, the estimate percentage of calls within 10 seconds in January of 1994 is:
Option B: 98
You make 3 quarts of tomato sauce from 2 baskets of tomatoes. How much tomato sauce can you make from 5 baskets of tomatoes?
7 1/2 quarts
3 1/3 quarts
4 quarts
6 quarts
5 baskets of tomatoes can make 7 1/2 quarts of tomato sauce.
What is cross-multiplication?To discover the unknown values in a mathematical equation, we cross multiply the numbers in the equation. The method of cross multiplication is frequently employed to identify the missing variable in an equation. We multiply both the numerator and denominator of the provided expression or fractions.
Given that, we get 3 quarts of tomato sauce from 2 baskets of tomatoes.
Thus,
2 baskets = 3 quarts
5 baskets = x
Use the method of cross multiplication or butterfly method for multiplication.
x = (3)(5)/2
x = 15/2
x = 7 1/2
Hence, 5 baskets of tomatoes can make 7 1/2 quarts of tomato sauce.
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The values of three consecutive even integers must be if their sum is 6000
If the sum of three successive integers even numbers is 6000, then their values must be 1998, 2000, and 2002.
In addition tangere is the root of the Latin word integer, which meaning "whole" and "untouched." The word "entire" is derived from the French word entier, which also means entire and integer. The expression was once used to describe a multiple of 1 or the whole part of a mixed number. The definition of the term was given as the collection of all positive integers, which is the same as the collection of all natural numbers. The concept of integer was expanded to include negative integers as the significance of those numbers came to be realized through time. For instance, in his 1765 book Elements of Algebra, Leonhard Euler stated that integers might contain both positive and negative values. Up until about the middle of the 20th century, most European mathematicians ignored negative numbers.
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Pls help me it’s easy make it quick
Answer:
Step-by-step explanation:
yes no yes
weinstein, mcdermott, and roediger (2010) conducted an experiment to evaluate the effectiveness of different study strategies. one part of the study asked students to prepare for a test by reading a passage. in one condition, students generated and answered questions after reading the passage. in a second condition, students simply read the passage a second time. all students were then given a test on the passage material and the researchers recorded the number of correct answers. a. identify the dependent variable for this study. b. is the dependent variable discrete or continuous?
a. The dependent variable for this study is the number of correct answers on the test given.
b. The dependent variable in this study is a discrete variable.
a. The dependent variable for this study is the number of correct answers on the test given to the students after they prepared for the test by either generating and answering questions or reading the passage a second time.
b. The dependent variable in this study is a discrete variable because the number of correct answers can only take on whole numbers (e.g., 0, 1, 2, 3, etc.). It is not possible to have fractional or continuous values of correct answers on the test.
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Each month, Tomas buys 4 boxes of crunchy granola bars and 2 boxes of chewy granola bars for his family. Crunchy granola bars come in boxes containing x bars, and chewy granola bars come in boxes containing y bars. Write two equivalent expressions for the total number of granola bars Tomas buys after 5 months. (5(__x+__y) and __x+__y)
The two equivalent expressions for the total number of granola bars Tomas buys after 5 months is 5(4x + 2y) and 20x + 10y
In mathematics, an expression is a combination of symbols (such as numbers, variables, and operators) that represent a mathematical object or value.
Tomas buys 4 boxes of crunchy granola bars and 2 boxes of chewy granola bars each month. Let's assume that each box of crunchy granola bars contains x bars and each box of chewy granola bars contains y bars.
To express the total number of granola bars that Tomas buys in one month, we can use the following expression:
4x + 2y
This expression shows that Tomas buys 4 boxes of crunchy granola bars, each containing x bars, and 2 boxes of chewy granola bars, each containing y bars.
To find the total number of granola bars that Tomas buys after 5 months, we need to multiply the expression by 5, since he buys granola bars each month for 5 months. This gives us the expression:
5(4x + 2y) = 20x + 10y
Alternatively, we can also express the total number of granola bars that Tomas buys in 5 months using the following expression:
5x(4) + 5y(2) = 20x + 10y
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