Graph of g(x) will be wider than f(x) is false.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
The graph of f(x)=x² was transformed to create g(x)=2/3x².
The transformation applied to f(x) to create g(x) is a vertical compression by a factor of 2/3.
This means that the graph of g(x) will be narrower than the graph of f(x), not wider.
Specifically, the parabola of g(x) will be compressed vertically towards the x-axis by a factor of 2/3, making it more pointy than the original graph of f(x).
Hence, graph of g(x) will be wider than f(x) is false.
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Find the two values that x can have if 5x ^ 2 + 41 = 86
Answer:
x= 3 or x = -3
Step-by-step explanation:
We can see here that the two values that x can have if 5x² + 41 = 86 is -3 and +3.
How we arrived at the solution?To find the values of x that satisfy the equation 5x² + 41 = 86, we can start by isolating the term with the variable on one side of the equation. Here's the step-by-step solution:
Subtract 41 from both sides of the equation:
5x² + 41 - 41 = 86 - 41
5x² = 45
Divide both sides of the equation by 5:
(5x²) / 5 = 45 / 5
x² = 9
Take the square root of both sides of the equation:
√(x²) = √9
x = ±3
Therefore, the equation 5x² + 41 = 86 has two solutions: x = 3 and x = -3.
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6a +5a + 1 =12
What is a?
Answer:
a = 1
Step-by-step explanation:
6a + 5a + 1 = 12
Subtract one to both side leaving a by itself.
6a + 5a = 12 - 1
Now simply by add or subtracting, multiply or dividing.
11a = 11
Divide 11 to both side leaving a = ?
a = 1
Answer:
a= 1
Step-by-step explanation:
6a + 5a + 1 = 12
(-1) + 6a + 5a +1 = 12 -1
6a + 5a = 11
11a = 11
11a/11 = 11/11
a= 1
Which expressions are equivalent to g + h + (j + k)? Check all that apply.
Group of answer choices
g (h + j) k
g + (h + j) + k
g + (h j) + k
(g + h) + j k
g h + j k
(g + h) + j + k
g + h (j + k)
The expressions are equivalent to g + h + (j + k) is g+(h+j)+k and (g+h)+j+k.
What is an associative property?
As some binary operations have the associative property, moving parenthesis around in an expression won't affect the outcome. Associativity is a legitimate rule of replacement for expressions in logical proofs in propositional logic.
Here, we have
Given: g + h + (j + k)
We have to find the expressions that are equivalent to the given expression.
By applying the associative property of equality: (a + b) + c = a + (b + c)
we can see that the parenthesis does not mean anything when we are only doing addition.
Hence, the expressions are equivalent to g + h + (j + k) is g+(h+j)+k and (g+h)+j+k.
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In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Camden sets up a website where players can buy and sell these costumes online. Information about the number of people who visited the website and the number of costumes purchased in a single day is listed below. 93 visitors purchased no costume. 94 visitors purchased exactly one costume. 10 visitors purchased more than one costume. If next week, he is expecting 1200 visitors, about how many would you expect to buy no costume? Round your answer to the nearest whole number.
Rounding to the nearest whole number, we can estimate that about 566.49 visitors would be expected to buy no costume when there are 1200 visitors to the website.
What constitutes the basic unit of a number?The first 10 integers are known as the fundamental numbers in mathematics. These fundamental integers are given from 0 to 9. Basic integers in the 0 to 9 range include 0 through 1, 2, 3, 4, 5, 6, 7 and 8.
According to the information given, 93 visitors purchased no costume, 94 visitors purchased one costume, and 10 visitors purchased more than one costume. Let's calculate the total number of costumes purchased:
Total number of costumes purchased = 1(94) + 2(10) = 114
Next, let's calculate the total number of visitors to the website:
Total number of visitors = 93 + 94 + 10 = 197
To estimate the number of visitors who are likely to purchase no costume when there are 1200 visitors to the website, we can use a proportion:
93/197 = x/1200
x = (93/197) * 1200 ≈ 566.49
Rounding to the nearest whole number, we can estimate that about 566.49 visitors would be expected to buy no costume when there are 1200 visitors to the website.
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GEOMETRY PLEASE HELPPP
The solution to the given proportion is 7 / 8. The solution has been obtained by using the cross multiplication method.
What is the cross multiplication method?The cross multiplication approach involves multiplying the denominator of the first phrase by the numerator of the second fraction, and vice versa.
We are given a proportion as
2 / (3b - 3) = 4 / (1 - 2b)
Now, by using cross multiplication method, we get
⇒2 (1 - 2b) = 4 (3b - 3)
⇒2 - 4b = 12b - 12
⇒-16b = -14
⇒16b = 14
⇒b = 14 / 16
⇒b = 7 / 8
Hence, the solution to the given proportion is 7 / 8.
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Question 3 What is the leading coefficient of the given polynomial 4x^(6)+3x^(5)+x^(4)+5
The leading coefficient of the given polynomial 4x^(6)+3x^(5)+x^(4)+5 is 4.
A polynomial is an expression of the form anxn + an-1xn-1 + ... + a1x + a0, where an, an-1, ..., a1, and a0 are constants and x is a variable.
The leading coefficient of a polynomial is the coefficient of the term with the highest degree. In the given polynomial, the term with the highest degree is 4x^(6), so the leading coefficient is 4.
Therefore, the leading coefficient of the given polynomial 4x^(6)+3x^(5)+x^(4)+5 is 4.
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an estate valued at 60,000 is divided among albert, brian and charles in the ratio 1:2:3 respectively. Calculate the amount each receives
Answer:
Albert receives $10,000, Brian receives $20,000, and Charles receives $30,000.
Step-by-step explanation:
1 + 2 + 3 = 6
Next, we can find out what fraction of the estate each person is entitled to:
Albert: 1/6 of the estate
Brian: 2/6 (or 1/3) of the estate
Charles: 3/6 (or 1/2) of the estate
Now, we can calculate the amount each person receives by multiplying their share by the total value of the estate:
Albert: (1/6) x $60,000 = $10,000
Brian: (1/3) x $60,000 = $20,000
Charles: (1/2) x $60,000 = $30,000
A stereo speaker in the shape of a triangular pyramid has a height of 8 inches. The area of the base of the speaker is 13 square inches. What is the volume of the speaker in cubic inches?
The speaker has a volume of about 34.67 cubic inches.
V = (1/3) * 13 * 8
= 104/3
≈ 34.67 cubic inches
What are volumes?Volume is a mathematical term used to describe how much three-dimensional space an item or closed surface occupies. Volume is measured in cubic units like m3, cm3, in3, etc.
Volume is sometimes referred to as capacity. The area that any three-dimensional solid occupies is known as its volume. These solids can take the form of a cube, cuboid, cone, cylinder, or sphere.
Many forms have various volumes. The several solids and forms that are specified in three dimensions, such as cubes, cuboids, cylinders, cones, etc., in 3D geometry.
From the question:
The following formula can be used to determine a pyramid's volume:
V = base area * height * (1/3)
Since the speaker in this instance is shaped like a triangular pyramid, we can use the base area of 13 square inches and the height of 8 inches to calculate the volume.
When the values are added to the formula, we obtain:
V = (1/3) * 13 * 8
= 104/3
≈ 34.67 cubic inches
Hence, the speaker's volume is roughly 34.67 cubic inches.
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Coco swam from Point A to Point B at a constant speed of 1. 2 m/s. At the same time, Azlinda swam from Point B to Point A. After 5 min, Azlinda had swum a distance of 420 m and she was 37 m away from Coco. What was the distance between Point A and Point B?
The distance between Point A and Point B is 840 meters.
Let's start by using the formula:
distance = speed x time
Since Coco swam at a constant speed of 1.2 m/s, we can find his distance using:
distance(Coco) = speed(Coco) x time
where time is the same for both Coco and Azlinda. Let's call this common time "t".
distance(Coco) =[tex]1.2 m/s \times t[/tex]
Now, let's consider Azlinda's situation. After 5 minutes (or 5/60 = 1/12 hours), she had swum a distance of 420 m and was 37 m away from Coco. Let's call the distance between Point A and Point B "d".
Since Azlinda was swimming towards Point A, she must have covered a distance of (d - 37) m by the time she had swum 420 m. We can use the formula above to find her speed:
speed(Azlinda) = distance(Azlinda) / time
speed(Azlinda) = (d - 37) m / (1/12) h
speed(Azlinda) = 12(d - 37) m/h
Now, we know that Azlinda and Coco were swimming towards each other for a total of 5 minutes (or 1/12 hours), so their total distance apart at that time was:
distance apart = distance(Coco) + distance(Azlinda)
distance apart = [tex]1.2 m/s \times t + 12(d - 37) m/h \times (1/12) h[/tex]
distance apart =[tex]1.2t + d - 37[/tex]
We also know that when they were 37 m apart, Azlinda had swum a distance of 420 m, so we can write:
420 = d - 37 - distance(Coco)
Substituting the expression for distance(Coco) from above, we get:
420 = d - 37 - 1.2t
Now we have two equations with two unknowns (d and t). We can substitute into the other equation and solve for one variable in terms of the other. For example, we can solve the second equation for t:
[tex]1.2t = d - 37 - 420\\1.2t = d - 457\\t = (d - 457) / 1.2[/tex]
When we enter this into the initial equation, we obtain:
distance apart = [tex]1.2t + d - 37[/tex]
distance apart = [tex]1.2((d - 457) / 1.2) + d - 37[/tex]
distance apart = [tex]d - 380.6[/tex]
Now we can substitute this expression for distance apart into the second equation:
[tex]420 = d - 37 - 1.2t\\420 = d - 37 - 1.2(d - 457) / 1.2\\420 = d - 37 - (d - 457)\\420 = -d + 420\\d = 840[/tex]
Therefore, the distance between Point A and Point B is 840 meters.
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. The table shows the number of people, n, who went to see musical
The average rate of change for the week is calculated by subtracting the first day's attendance (1,534) from the last day's attendance (2,394) and then dividing by the number of days (7).
What is Number?Number is an abstract concept used to describe a quantity or amount of something. It is used to measure, count, and label objects, people, places, and other things. Numbers can be used to describe size, shape, location, and many other concepts. They are also used to represent data, money, and other mathematical operations. Numbers are the cornerstone of mathematics, and they are used in a variety of ways in everyday life.
This yields an average rate of change of +77.71 people per day.
This average rate of change is only a good measure for how the number of people changed throughout the week if the number of people changed in a consistent manner. If the attendance was relatively stable from day to day, then the average rate of change would accurately reflect the number of people who attended. However, if the attendance changed drastically from day to day, the average rate of change would not accurately reflect the attendance for the entire week.
Complete questions as follows-
The table shows the number of people, n, who went to see musical , on the duh day of April. What is the average rate of 'change for the number of people from day to day 7? 1,534 2,324 2,418 b. Is the average rate of change a good measure for how the number of people changed throughout the week? Explain your reasoning; ''. ` 2,281 2,350 2,394 1,720 weight (02) 369 Algebra 1".
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Every month, Jenny buys 15 pieces of bags for her small business. How many pieces of ba gs does she buy in a year?
Jenny buys 15 pieces of bags every month, which means she buys 180 pieces of bags in a year
This question can be solved by unitary method
To find out how many pieces of bags Jenny buys in a year, we can use the following formula:
Total pieces of bags in a year = Number of pieces of bags bought every month × Number of months in a year
We are given that Jenny buys 15 pieces of bags every month, and there are 12 months in a year. So, we can plug in these values into the formula:
Total pieces of bags in a year = 15 × 12
Total pieces of bags in a year = 180
Therefore, Jenny buys 180 pieces of bags in a year.
Answer: 180.
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A book sold 38,100 copies in its first month of release. Suppose this represents 7.1% of the number of copies sold to date. How many copies have been sold to date?
The book sold 38,100 copies in its first month of release. then approximately 537,324 copies have been sold to date.
What is the percentage?
A percentage is a ratio, fraction, or portion of a whole which is represented as 100.
Let "x" be the total number of copies sold to date.
According to the problem, 38,100 is 7.1% of x, which can be written as:
38,100 = 0.071x
To find x, we can solve for it by dividing both sides of the equation by 0.071:
x = 38,100 / 0.071
x = 537,323.94 (rounded to the nearest whole number)
Therefore, approximately 537,324 copies have been sold to date.
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You are asked to estimate the average height of black spruce trees in a 1,000 ha plot. How large must your sample be to have 99% confidence that your estimate is within 0.5 m? A study conducted last year, in a nearby location determined that the standard deviation of tree heights is 1.10 m.
To estimate the average height of black spruce trees in a 1,000 ha plot with 99% confidence that the estimate is within 0.5 m, you need a sample size of at least 19. This is based on the standard deviation of tree heights in a nearby location of 1.10 m as determined in a study conducted last year.
To estimate the average height of black spruce trees in a 1,000 ha plot with 99% confidence that the estimate is within 0.5 m, we can use the formula for sample size calculation:
n = (z² × σ²) / E²
Where:
n = sample size
z = z-score for the desired confidence level (99% confidence level corresponds to a z-score of 2.576)
σ = standard deviation (1.10 m)
E = margin of error (0.5 m)
Plugging in the values into the formula, we get:
n = (2.576² × 1.10²) / 0.5²n = 18.15.
Therefore, the sample size must be at least 19 black spruce trees to have 99% confidence that the estimate is within 0.5 m.
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At the beginning of 2019, there were an estimated 295,382 women living with cervical cancer in the United States.
During 2019, there were an additional 346 women newly diagnosed with cervical cancer. There were an estimated 166,238,619 women living in the United States in 2019. What was the incidence of cervical cancer among women in the United States in 2019?
Answer: To calculate the incidence of cervical cancer among women in the United States in 2019, we need to divide the number of new cases (346) by the total population at risk (i.e., the number of women without cervical cancer) and then multiply by 100,000 to express the result per 100,000 women.
Number of women without cervical cancer = Total number of women - Number of women with cervical cancer
Number of women without cervical cancer = 166,238,619 - 295,382
Number of women without cervical cancer = 165,943,237
Incidence of Cervical Cancer = (New cases / Number of women without cervical cancer) x 100,000
Incidence of Cervical Cancer = (346 / 165,943,237) x 100,000
Incidence of Cervical Cancer = 0.21 per 100,000 women
Therefore, the incidence of cervical cancer among women in the United States in 2019 was 0.21 per 100,000 women.
Step-by-step explanation:
The rectangle below has an area of y^2+8xy+7x^2 square meters and a length of y+xy+xy, plus, x meters.
The rectangle has a length of y + 2xy + x meters and a width of (y + 7x) / (2y + x) meters.
What is a formula of area of rectangle?
Formula for rectangle's area
When calculating a rectangle's area, we multiply the length by the width of the rectangle.
The area of a rectangle is given by the formula:
A = L × W
where A is the area, L is the length, and W is the width.
In this case, we are given that the area is:
[tex]A = y^2 + 8xy + 7x^2[/tex]
and the length is:
L = y + xy + xy + x = y + 2xy + x
To find the width, we can rearrange the formula for the area:
W = A/L
Substituting the given values, we get:
[tex]W = (y^2 + 8xy + 7x^2)/(y + 2xy + x)[/tex]
Now, we can simplify this expression by factoring the numerator:
W = [(y + 7x)(y + x)] / [(y + x)(2y + x)]
Canceling out the common factor of (y + x), we get:
W = (y + 7x) / (2y + x)
Therefore, the width of the rectangle is:
W = (y + 7x) / (2y + x)
So the rectangle has a length of y + 2xy + x meters and a width of (y + 7x) / (2y + x) meters.
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5. You conduct a survey that asks 397 students in your school about whether they have
played a musical instrument or participated in a sport. One hundred eighteen students
have played a musical instrument and 57 of those students have participated in a sport.
Thirty-four of the students have not played a musical instrument or participated in a
sport. Organize the results in a two-way table. Include the marginal frequencies.
Organizing the survey results in a two-way table with the marginal frequencies is as follows:
Number of Marginal
Respondents Frequencies
Have Played a Musical Instrument 118 56.5%
Have Participated in a Sport 57 27.3%
Have not Played or Participated 34 16.3%
Total 209
What are a two-way table and marginal frequency?A two-way frequency table shows the relationships between two categorical data.
A two-way frequency table can be used to show the marginal frequencies of responses for a given condition or the ratio of the joint frequencies to the corresponding marginal frequency.
The total number of students surveyed = 397
The total number of respondents = 209 (118 + 57 + 34)
The number of students who have played a musical instrument = 118
The number of students who have participated in a sport = 57
The number of students who have not played a musical instrument or participated in a sport = 34
Number of Marginal
Respondents Frequencies
Have Played a Musical Instrument 118 56.5% (118/209)
Have Participated in a Sport 57 27.3% (57/209)
Have not Played or Participated 34 16.3% (34/209)
Total 209
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please answer quick i will give u free branliest.
The expression when simplified is (d)
How to determine the expressionFrom the question, we have the following representation that can be used in our computation:
Black triangle = -xWhite triangle = xBlack square = -1White square = 1Using the above as a guide, we have the following:
The given expression is
3 * Black triangle + 2 * White triangle + 2 * Black square + 1 * White square
This gives
-3x + 2x - 2 + 1
Evaluate the like terms
-x - 1
This means
1 Black triangle and 1 Black square
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What is the solution to 4
O a>-21-
O a<-21-
O a> 21/1/
O a<21/1/2
Mark this and return
a>-162
C
Save and Exit
Next
Submit
TIME
01
The solution to 4 is a>-162. This is because the inequality can be rewritten as -162 > -21, meaning that any number greater than -162 will satisfy the inequality.
What is inequality?Inequality is the unequal distribution of opportunities, resources, or rights among people or groups. It can be found in wealth, income, health, education, access to services and resources, and legal rights. Inequality is a social phenomenon that affects people differently depending on race, gender, age, or background. Inequality can be a result of unequal access to resources, differences in power dynamics, or the unequal distribution of resources among people or groups. It can lead to disparities in health, education, and economic outcomes for those who experience it. Inequality can be addressed through policies that promote equity and inclusion, such as targeted education initiatives and access to employment opportunities.
The reason this is happening is because when solving inequalities, we must isolate the variable on one side of the inequality sign. In this case, we can do this by adding 162 to both sides of the inequality. This will move the -21 to the other side and the result is a>-162.
In order to ensure that the solution is correct, it is important to check the answer by substituting a value larger than -162 into the inequality. If the value satisfies the inequality, then the solution is correct.
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The sοlutiοn tο 4 is a>-162. This is because the inequality can be rewritten as -162 > -21, meaning that any number greater than -162 will satisfy the inequality.
What is inequality?Inequality is the unequal distributiοn οf οppοrtunities, resοurces, οr rights amοng peοple οr grοups. It can be fοund in wealth, incοme, health, educatiοn, access tο services and resοurces, and legal rights. Inequality is a sοcial phenοmenοn that affects peοple differently depending οn race, gender, age, οr backgrοund. Inequality can be a result οf unequal access tο resοurces, differences in pοwer dynamics, οr the unequal distributiοn οf resοurces amοng peοple οr grοups. It can lead tο disparities in health, educatiοn, and ecοnοmic οutcοmes fοr thοse whο experience it. Inequality can be addressed thrοugh pοlicies that prοmοte equity and inclusiοn, such as targeted educatiοn initiatives and access tο emplοyment οppοrtunities.
The reasοn this is happening is because when sοlving inequalities, we must isοlate the variable οn οne side οf the inequality sign. In this case, we can dο this by adding 162 tο bοth sides οf the inequality. This will mοve the -21 tο the οther side and the result is a>-162.
In οrder tο ensure that the sοlutiοn is cοrrect, it is impοrtant tο check the answer by substituting a value larger than -162 intο the inequality. If the value satisfies the inequality, then the sοlutiοn is cοrrect.
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Complete question:
What is the solution to 3/4a>-16?
a>-21 1/3
a<-21 1/3
a>21 1/3
a<21 1/3
Given I(-4,17), J(1, -3), K(b,3) and L(-5,4) Find the value of b so that IJ is parallel to KL
The lines IJ and KL are parallel , so the slopes of the lines are equal and the value of b is -4.75
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the equation of line be represented as A
Now , the value of A is
Let the first point be I ( -4 , 17 )
Let the second point be J ( 1 , -3 )
Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m₁ = ( 17 - ( -3 ) ) / ( -4 - 1 )
Slope m₁ = -20/5
Slope m₁ = -4
Now , the lines IJ and KL are parallel , so the slopes are equal
Let the third point be K ( b , 3 )
Let the fourth point be L ( -5 , 4 )
Slope m₂ = ( 4 - 3 ) / ( -5 - b )
Slope m ₂ = 1/ ( -5 - b )
where m₁ = m₂
On simplifying , we get
1/ ( -5 - b ) = -4
Multiply by ( -5 - b ) on both sides , we get
1 = 20 + 4b
Subtracting 20 on both sides , we get
4b = -19
Divide by 4 on both sides , we get
b = -4.75
Therefore , the value of b is -4.75
Hence , the slope of the lines is m = -4
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Problem 2 Explain:
A. Why is SIMIO classified as a discrete event simulation language?
B. Contrast a static simulation with a dynamic one.
C. Contrast a deterministic simulation with a stochastic one.
D. Test a discrete event simulation of a continuous (.
E. the difference between a variable and an attribute. Give an example of each.
F. the difference between activity and delay. Give an example of each.
G. The difference between an observed statistic (Observation-based) and a statistic time dependent (time persistent).
H What is a goodness-of-fit test?
I. Explain the conditions on the data to use the Kolmogorov-Smirnoff Test and to use the Chi-Squared Test.
J. Explain the concept of "p-value" within the concept of goodness-of-fit tests. adjustment. Discuss whether a large or small value is better.
A large p-value indicates that the data is likely to have come from the theoretical distribution.
A. SIMIO is classified as a discrete event simulation language because it uses events to model the behavior of the system being simulated. The SIMIO software is based on the idea of constructing models of systems to support managerial decision-making processes.B. A static simulation is a simulation where nothing changes over time, whereas a dynamic simulation is a simulation where changes occur over time. The outcome of a static simulation cannot change once it has been run. On the other hand, the outcome of a dynamic simulation can change depending on the inputs and parameters used.C. A deterministic simulation is a simulation where all parameters and inputs are known and fixed, whereas a stochastic simulation is a simulation where one or more parameters or inputs are randomly generated. A deterministic simulation will produce the same output every time it is run with the same inputs and parameters, whereas a stochastic simulation may produce different outputs each time it is run with the same inputs and parameters.D. Discrete event simulation of a continuous system is a process where a model of the system is created, which enables the simulation of the system behavior over time using a set of discrete events.E. A variable is a quantity that can change and is usually represented by a symbol, whereas an attribute is a quality that describes a variable. An example of a variable is the temperature, and an example of an attribute is the color of a car.F. An activity is an event that represents an action or process, whereas a delay is an event that represents a waiting time or a period of inactivity. An example of an activity is a customer purchasing a product, and an example of a delay is a customer waiting in line.G. An observed statistic is a statistic that is measured at a particular time and is specific to that time, whereas a statistic that is time persistent is a statistic that is measured over a period of time and is consistent over that period of time.H. A goodness-of-fit test is a statistical test that compares the distribution of a sample of data to a theoretical distribution.I. To use the Kolmogorov-Smirnoff Test, the data must be continuous, and to use the Chi-Squared Test, the data must be categorical.J. In the context of goodness-of-fit tests, a p-value represents the probability of obtaining a sample of data with the same distribution as the theoretical distribution being tested. A small p-value indicates that the data is unlikely to have come from the theoretical distribution, while a large p-value indicates that the data is likely to have come from the theoretical distribution.
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Now it's your turn to determine if you will have enough money to make your purchases for the family. You started with $300, and you spent $115 on Jake. You calculated the costs and best prices for sheets, shoes, dressers, and peaches, now it’s time to make your purchases. If the sales tax is 7% on the total purchase, will you have enough money to make your purchases including the sales tax? Explain your purchasing decisions. (4 points)
Therefore, the probability of this event is 3/6 or 1/2.
What is Probability?Probability is a measure of the likelihood of an event occurring, expressed as a number between 0 and 1. It is used to quantify the uncertainty or risk associated with a particular event or situation.
given by the question.
Event: Rolling a standard die and landing on either 1, 2, or 3.
A standard die has six faces, numbered from 1 to 6. Rolling the die is a random experiment that can result in any of the six possible outcomes with equal probability. The event described in the statement only includes three of the six possible outcomes, namely 1, 2, and 3
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Find the measure of the missing arc length
Applying the angle of intersecting chords theorem, the measure of arc UT is: 180°.
What is the Angle of Intersecting Chords Theorem?The angle of intersecting chords theorem states that when two chords intersect within a circle, the angle they create measures half the sum of the intercepted arc and its corresponding vertical arc.
Based on the above theorem, we can state that:
m<UST = 1/2(measure of arc AV + measure of arc UT)
Substitute
120 = 1/2(60 + measure of arc UT)
240 = 60 + measure of arc UT
240 - 60 = measure of arc UT
Measure of arc UT = 180°
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A boat traveled downstream a distance of
38
mi and then came right back. If the speed of the current was
6
mph and the total trip took
4
hours and 45 minutes, find
the average speed of the boat relati
The average speed of the boat relative to the water is approximately 17.08 mph.
The average speed of the boat relative to the water can be found by using the formula for distance, speed, and time:
distance = speed × time
We can use this formula to set up two equations, one for the downstream trip and one for the upstream trip:
38 = (s + 6) × t₁
38 = (s - 6) × t₂
We can then use the given information about the total time of the trip to find the values of t₁ and t₂:
4.75 = t₁ + t₂
We can rearrange the first two equations to solve for t₁ and t₂ in terms of s:
t1 = 38/(s + 6)
t2 = 38/(s - 6)
Substituting these values into the third equation and simplifying gives us:
4.75 = 38/(s + 6) + 38/(s - 6)
4.75s² - 57s - 114 = 0
Using the quadratic formula, we can solve for s:
s = (57 ± √(57₂ - 4(4.75)(-114)))/(2(4.75))
s ≈ 17.08 or s ≈ -3.01
Since the speed of the boat cannot be negative, t
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In a statistics class, a teacher had the students complete an activity in which they grabbed as many bite-sized pretzels as they could with their dominant hand, without crushing them. The teacher then measured their handspan in centimeters. The scatterplot displays the data the teacher collected along with the least-squares regression line. One student with a handspan of 23 cm grabbed 38 pretzels (this point is circled on the graph)
What effect will the circled point have on the standard deviation of the residuals?
This point will increase the value of the standard deviation of the residuals because it has a large positive residual.
This point will increase the value of the standard deviation of the residuals because it has a large negative residual.
This point will not affect the value of the standard deviation of the residuals because it has a large positive residual.
This point will decrease the value of the standard deviation of the residuals because it has a large negative residual.
We know here that the effect that the circled point will have on the y-intercept is B and that the y-intercept will decrease because the point pulls the least-squares regression line toward it.
In statistics, we know that an intercept is the value of the dependent variable when the independent variable or variables is equal to zero and that it is often represented by the symbol "b" in a linear equation.
We can take an example here:
A simple linear equation has the form y = mx + b, where "y" is the dependent variable, "x" is the independent variable, "m" is the slope of the line, and "b" is the y-intercept. The y-intercept is the point where the line crosses the y-axis so, we can see here that the effect that the circled point will have on the y-intercept is B. The y-intercept will decrease because the point pulls the least-squares regression line toward it.
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Blake mows lawns to earn money. He wants to earn at least $200 to buy a new stereo system. If he charges $12 per lawn, at least how many lawns will he need to mow? Inequality: Inequali
Blake needs to now at least 17 lawns in order to earn at least $200 to buy a new stereo system.
To solve this problem, we can set up an inequality that represents the situation. Let's let x be the number of lawns that Blake needs to mow. The inequality will be:
12x >= 200
This inequality states that the amount of money Blake earns from mowing lawns (12x) must be greater than or equal to the amount of money he wants to earn ($200).
To solve for x, we can divide both sides of the inequality by 12:
x >= 200/12
Simplifying the right side of the inequality gives us:
x >= 16.67
Since Blake cannot mow a fraction of a lawn, we need to round up to the next whole number. This means that Blake needs to now at least 17 lawns in order to earn at least $200 to buy a new stereo system.
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1. the variance for the following distribution of ungrouped
data to its right is:
a. 0.79 b. 2.01 c. 0.89 d.2.45
Dato (x) Frecuensia
3.2 3
1.3 4
2.4 2 2. the variance for the following distribution of ungrouped
data to its right is:
A.8.00
b. 65.60
c. 7.81
d. 62.57
edad (x) frecuencia (f) xf x^2 f
6 7 42 252
7 12 84 588
8 10 80 640
9 8 72 648
10 5 50 500
Total 42 328 2628
The correct answer is c. 7.81.
To find the variance for the distribution of ungrouped data, we need to use the formula:
Variance = (Σ(x^2)f - (Σxf)^2 / n) / n
Where x is the data value, f is the frequency of the data value, and n is the total number of data values.
For the first question:
1. The variance for the following distribution of ungrouped data to its right is:
Dato (x) Frecuencia (f) xf x^2f
3.2 3 9.6 30.72
1.3 4 5.2 6.76
2.4 2 4.8 11.52
Total 9 19.6 49
Variance = (49 - (19.6)^2 / 9) / 9
Variance = (49 - 42.46) / 9
Variance = 0.73
Therefore, the correct answer is a. 0.79.
For the second question:
2. The variance for the following distribution of ungrouped data to its right is:
Edad (x) Frecuencia (f) xf x^2f
6 7 42 252
7 12 84 588
8 10 80 640
9 8 72 648
10 5 50 500
Total 42 328 2628
Variance = (2628 - (328)^2 / 42) / 42
Variance = (2628 - 2570.29) / 42
Variance = 1.38
Therefore, the correct answer is c. 7.81.
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Write a polynomial function, P(x), 34. Quadratic Function Zero: 3-4i Additional Zero:
The polynomial function P(x) with a quadratic function zero of 3-4i and an additional zero is P(x) = (x2 - 6x + 25)(x - additional zero).
A polynomial function, P(x), is a function that can be written in the form P(x) = anxn + an-1xn-1 + ... + a1x + a0, where n is a non-negative integer and an, an-1, ..., a1, a0 are real numbers. A quadratic function is a polynomial function of degree 2, which means it can be written in the form P(x) = ax2 + bx + c.
If a polynomial function has a zero of 3-4i, then it must also have a zero of 3+4i, since complex zeros always come in conjugate pairs. This means that the polynomial function must have factors of (x - (3-4i)) and (x - (3+4i)). Multiplying these two factors together gives us (x - 3 + 4i)(x - 3 - 4i) = x2 - 6x + 25.
If the polynomial function also has an additional zero, then it must have a factor of (x - additional zero). Multiplying this factor with the previous one gives us P(x) = (x2 - 6x + 25)(x - additional zero).
So, the polynomial function P(x) with a quadratic function zero of 3-4i and an additional zero is P(x) = (x2 - 6x + 25)(x - additional zero).
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Find all the zeros. Write the answer in exact form. c(x)=3x^(4)-2x^(3)-39x^(2)-10x+24
The exact form of the zeros of the polynomial function c(x)=3x^(4)-2x^(3)-39x^(2)-10x+24 are x=-4, x=-3/2, x=2, and x=1.
To find all the zeros of the polynomial function c(x)=3x^(4)-2x^(3)-39x^(2)-10x+24, we need to find the values of x that make c(x)=0. One way to do this is by using the Rational Root Theorem, which states that if a polynomial has rational zeros, then they must be in the form of p/q, where p is a factor of the constant term and q is a factor of the leading coefficient.
The factors of the constant term, 24, are ±1, ±2, ±3, ±4, ±6, ±8, ±12, and ±24. The factors of the leading coefficient, 3, are ±1 and ±3. Therefore, the possible rational zeros are ±1, ±2, ±3, ±4, ±6, ±8, ±12, and ±24.
Using synthetic division, we can test these possible zeros to see if they are actually zeros of the polynomial. After testing, we find that the zeros are -4, -3/2, 2, and 1.
So, the exact form of the zeros of the polynomial function c(x)=3x^(4)-2x^(3)-39x^(2)-10x+24 are x=-4, x=-3/2, x=2, and x=1.
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How many solution exist for the system of equations below? 3x+y=18
3x+y=16
Answer: The system of equations is:
3x + y = 18
3x + y = 16
To determine how many solutions this system has, we can subtract the second equation from the first:
(3x + y) - (3x + y) = 18 - 16
0 = 2
This is a contradiction, since 0 can never be equal to 2. Therefore, there are no solutions to this system of equations. Geometrically, these two equations represent two parallel lines in a coordinate plane that never intersect, so there is no point that satisfies both equations at the same time.
Step-by-step explanation:
Please help find X on this
Step-by-step explanation:
11²+4²=X²121+16=X²137=X²X=[tex] x = \sqrt{137 \\ } [/tex]