When conducting a significance test to determine if there is a difference between two treatments, with a quantitative response variable, treatments are given to different experimental units, we summarize the data by: Calculate the mean and standard deviation for each treatment group separately.
To calculate the sample variance when the population mean is unknown.
The uncorrected sample variance is the average squared deviation of the sample values from the sample mean.
The sampling procedure should be unbiased so that the calculation of the proportion of samples responding only to treatment introduces bias.
The two treatment groups should be separate.
Random sampling is intended to provide an unbiased representation of a larger population.
Selecting a sample from a population larger than is considered fair practice (because each member of the population is equally likely to be selected).
Now we need to calculate the mean and standard deviation for each treatment group separately to eliminate the effects of false observations.
In mathematics, especially statistics, there are several kinds of instruments. Each average is used to summarize a particular data set, often to better understand the overall value (magnitude and sign) of a particular data set.
Mean:
For datasets, the arithmetic mean, also called the "arithmetic mean", is a measure of the central tendency of a finite set of numbers. More specifically, the sum of the values divided by the number of values. .The arithmetic mean of a sequence of numbers x₁, x₂, ..., xₙ is usually given by the overhead bar x The dataset was based on a series of observations obtained by sampling from a statistical population. The arithmetic mean is the mean of the population μₓ.
Standard Deviation:
In statistics, standard deviation is a measure of the variability or variance of a set of values. A low standard deviation indicates that the values tend to be closer to the mean (also called mean) of the set, while a high standard deviation indicates that the values are more spread out.
Standard deviation, sometimes abbreviated SD, is the lowercase Greek letter σ (sigma) for population standard deviation or the Latin letter s for sample standard deviation, most commonly used in mathematical texts and equations. is represented
Therefore, the correct statement is to calculate the mean and standard deviation for each treatment group separately.
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Triangle ABC has angle A = 31 degrees and angle B = 87 degrees. What is the measure of angle C ?
Answer:
All sum of Traingle Angle is 180°
180= 87+31+ Angle C
Angle C = 180 - (31+87)
Angle C = 62
lightning strikes the number of lightning strikes on a square kilometer of open ground in a year has mean 6 and standard deviation 2.4. (these values are typical of much of the united states.) the national lightning detection network (nldn) uses automatic sensors to watch for lightning in a random sample of 10 one-square-kilometer plots of land. (a) what are the mean and standard deviation of x, the sample mean number of strikes per square kilometer? (b) explain why you cannot safely calculate the probability that x 5 based on a sample of size 10. (c) suppose the nldn takes a random sample of n 50 square kilometers instead. explain how the central limit theorem allows us to find the probability that the mean number of lightning strikes per square kilometer is less than
The probability that the mean number of lightning strikes per square kilometer is less than 5 is 0.0016, when open ground in a year has mean 6 and standard deviation 2.4.
Define mean.It imply a quantity that falls somewhere between the values of the extreme members of a set in mathematics. There are different types of means, and how they are calculated relies on the relationship that is known about or is regarded as governing the other members.
Given,
Mean = 6
Standard deviation = 2.4
The value that has been reduced by the population mean and divided by the standard deviation is called the z-value.
z = x - mean/ standard deviation/√n
z = 5 - 6/2.4/√50
z = - 2.95
Using table A, calculate the corresponding probability;
= P(x <5)
= P( z < -2.95)
= 0.0016
The probability that the mean number of lightning strikes per square kilometer is less than 5 is 0.0016.
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Last week Aiden earned $50 for working 8 hours. At this rate, how
many hours would he have to work to earn $175?
Answer:
x = 28
Step-by-step explanation:
We can write a proportion to solve
50 dollars 175 dollars
--------------- = --------------------
8 hours x hours
Using cross products
50x = 8 * 175
Divide each side by 50
x = 8 * 175 / 50
x = 28
Answer:
[tex]\huge\boxed{\sf 28 \ hours}[/tex]
Step-by-step explanation:
Given that,
$50 = 8 hours
Using unitary method.Divide both sides by 50
$1 = 8/50 hours
$1 = 0.16 hours
Multiply 175 to both sides
$175 = 0.16*175 hours
$175 = 28 hours[tex]\rule[225]{225}{2}[/tex]
The sum of the 2nd and 3rd terms of an arithmetic sequence is 27 and the sum of the 4th and 5th terms is 77.
The sequence's average difference is 12.5.
According to the given information
The sum of an arithmetic sequence's second and third terms is 27.
The combination of the fourth and fifth terms is 77.
We must ascertain,
Let d represent the sequence's common difference.
The arithmetic series' second term is,
Second term = a + d
The arithmetic series' third term is as follows:
Third term = a + 2d
The second and third terms in the sequence add up to 27, thus.
Second term + third term = 27
a + d + a + 2d = 27
2a + 3d = 27
The arithmetic series' fourth term is,
Fourth term = a + 3d
The fifth term in the mathematical series is as follows:
Fifth term = a + 4d
The sequence's fourth and fifth terms add up to 77
Fourth term + fifth term = 77
a + 3d + a + 4d = 77
2a + 7d = 77
After resolving the two equations,
2a + 3d = 27
2a + 7d = 77
Subtracting both the equations
2a + 3d - ( 2a + 7d ) = 27 - 77
2a + 3d - 2a - 7d = -50
-4d = -50
d = 12.5
The sequence's average difference is 12.5
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You and your friends kyra and
Paolo decide to make some money during summer vacation by building and selling birdhouses. To get the business started, Kyra contributes $22, and Paolo contributes $18 to buy equipment and materials. You all agree that each person will earn the same amount of money after Kyra and Paolo get back what they invested. Your business earns a total of $280. How much does each person get at the end of the summer?
The amount of money each person get at the end of the summer is below;
You = $80
Kyra = $102
Paolo = $98
How much does each person earn?Number of friends = 3Kyra contribution = $22Paolo contribution = $18Your contribution = $0Total contribution = $22 + $18 + $0
= $40
Total earnings after investment = $280Amount each person get = (Total earnings after investment - Total contribution) / 3
= ($280 - $40) / 3
= $240/3
= $80
Amount you get = Your contribution + Amount each person get
= 0 + 80
= $80
Amount Kyra get = Kyra contribution + Amount each person get
= $22 + $80
= $102
Amount Paolo get = Paolo contribution + Amount each person get
= $18 + $80
= $98
In conclusion, each person gets an equal amount including their invested money.
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How do you find the actual size of an item from a scale drawing?
To find the actual size of an item, multiply the scale factor by the size of the item in the drawing
The scale factor is the ratio of the measurement of the new figure to the measurement of the original figure
Here, we are drawing an item on the paper, the size of the object on the paper maybe less than or greater than of original item
The dimensions of the actual item will be equal to the product of scale factor and the dimensions of the item on drawing.
If the scale factor is greater than 1, then the actual size will be greater than drawing, if the scale factor is between 0 to 1, then actual size will be less than drawing
Therefore, to find the actual size multiply the scale factor and size of drawing
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1.
Calculate the value of a for which the polynomial 2x^3 +7x^2 + ax + 2 has the root x = -2. Also, calculate the other roots of the polynomial.
The other two roots of the polynomial are x = (7 + √33)/4 and x = (7 - √33)/4.
What is polynomial?A polynomial is an expression of one or more algebraic terms, each of which is composed of constants and/or variables raised to non-negative integer powers. A polynomial can be written in the form of an equation, where the coefficients of the terms form a sequence of numbers. Polynomials can also be expressed using a factored form, in which each of the terms is the product of a coefficient and a single variable or factor. Polynomials are commonly used to model real-world phenomena, such as the behavior of a system or process. The degree of a polynomial, which is the highest degree of the terms, determines the number of solutions it has. For example, a polynomial of degree two has two solutions while a polynomial of degree three has three solutions. The solutions of a polynomial are determined by solving the equation formed by the polynomial's terms.
Let us first rewrite the polynomial in a standard form:
2x^3 + 7x^2 + ax + 2 = 0
We can factor this polynomial using the Factor Theorem. The Factor Theorem states that if a is a root of a polynomial, then x-a is a factor of the polynomial.
Since x=-2 is a root of the polynomial, the factor (x+2) must be a factor of the polynomial.
Therefore, we can rewrite the polynomial as:
2x^3 + 7x^2 + ax + 2 = 2(x+2)(x^2 + bx + c)
Now, we can use the coefficients of the polynomial to solve for a, b and c.
Comparing the coefficients of the polynomial on both sides:
2 = 2c
7 = b
a = -2b-4c
Substituting the values of c and b in the equation for a, we get:
a = -2(b) - 4(2)
= -2(7) - 8
= -16
Therefore, the value of a is -16.
To find the other roots of the polynomial, we just need to solve the remaining factor (x^2 + bx + c) = 0.
Substituting the values of b and c, we get:
x^2 + 7x + 2 = 0
We can solve this equation using the Quadratic Formula:
x = [-b ± √(b^2 - 4ac)]/2a
Substituting the values of a, b and c, we get:
x = [-7 ± √(7^2 - 4(2)(2))]/2(-2)
= [-7 ± √(49 - 16)]/-4
= [-7 ± √33]/-4
Therefore, the other two roots of the polynomial are x = (7 + √33)/4 and x = (7 - √33)/4.
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Meghan has a balance of $1,407 in her check register. The balance on her bank account
statement is $1,425.05. Not reported on her bank statement are deposits of $1,075 and
$120 and two checks for $795 and $289.95. What is her revised statement balance and
does her account balance?
Answer:
Below
Step-by-step explanation:
Statement =1425.05
1425.05 + 1075 + 120 - 795 - 289.95 = 1535.10 should be on her register.
(revised statement balance) her register does not 'balance' with what she has in her account
Simplify 3(w+1)-1 pls
Answer:
3w + 2
Step-by-step explanation:
3(w + 1) - 1
(3 · w) + (3 · 1) - 1
3w + 3 - 1
3w + 2
Lily likes to collect records. Last year she had 12 records in her collection. Now she has 15 records. What is the percent increase of her collection?
Answer: 15 is a 25% increase of 12.
Step-by-step explanation: Difference of 12 and 15 = |12 - 15|/((12 + 15)/2) = 3/13.5 = 0.22222222222222 = 22.222222222222%
solve for 4x+6+2x<-2(3+3y) show your work
The inequality expression given by 4x + 6 + 2x < -2(3 + 3y) can be simplified and written as : x + y < - 2.
What is an Inequality? What is a expression? What is a mathematical equation? An inequality in mathematics compares two expressions, showing if one is less or greater than, or simply not equal to another value.A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, of the given problem.We have the following inequality -
4x + 6 + 2x < -2(3 + 3y)
We have -
4x + 6 + 2x < -2(3 + 3y)
4x + 6 + 2x < - 6 - 6y
6x + 6 + 6y + 6 < 0
x + y < - 2
Therefore, the inequality 4x + 6 + 2x < -2(3 + 3y) is equivalent to -
x + y < - 2.
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Question 2 Multiple Choice Worth 4 points)
(Budgeting LC)
An entry-level civil engineer earns an average bi-weekly net pay of $2,175.25. The engineer has created a monthly budget using the following percentages for expenses:
Percent
Housing
35%
Food/Household 10%
Savings
10%
Transportation
Debt
Entertainment
15%
5%
6%
Medical/Personal Care 5%
5%
4%
5%
Giving
Clothing
Miscellaneous
Which balance sheet correctly represents the engineer's income, expenses, and balance?
The balance sheet that correctly represents the engineer's income, expenses and balance is illustrated below.
How to determine percentages of income?We should know that a balance sheet is a summary of assets and liabilities and income and expenses of a legal person. We are told that the balance sheet shows a bi-weekly net pay.
This implies that a month has two bi-weeks, therefore every income and expense is multiplied by 2 to get the following figures.
Income Amount
Bi-weekly income $2,175.25
Total Monthly Income $4,350.50
Expenses Percent Amount
Housing 35% $1,522.68
Food/Household 10% $435.05
Savings 10% $435.05
Transportation 15% $652.58
Debt 5% $217.53
Entertainment 6% $261.03
Medical/Personal Care 5% $217.53
Giving 5% $217.53
Clothing 4% $174.02
Miscellaneous 5% $217.53
$4,350.50
Balance
Income $4,350.50
Expenses $4,350.50
Balance $0
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What is 12 x 12 x 12 x 66
Answer:
Step-by-step explanation:
114048
Answer:
114048
Step-by-step explanation:
Which of the following is an odd function?
After solving we can conclude that (c) f(x) = -x is an odd function.
What is an odd function?If -f(x) = f(-x), then a function f is said to be odd for all values of x.
When taking into account additive inverses, the functions even and odd are those that satisfy particular symmetry relations.
They are crucial to understanding power, the Fourier series, and mathematical analysis.
So, (a) f(x) = x³ + 5x² + x:
f(-x) = (-x)³ + 5(-x)² + (-x)
= -x³ + 5x² - x
= -(x³ - 5x² + x)
Neither even nor odd describe the function.
(b) f(x) = x² + x
f(-x) = (-x)² + (-x)
= -(-x² + x)
Neither even nor odd describe the function.
(c) f(x) = -x
f(-x) = -(-x)
= x
= -f(x)
f(-x) = -f(x) makes the function odd.
Therefore, after solving we can conclude that (c) f(x) = -x is an odd function.
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Complete question:
Which of the following is an odd function?
(a) f(x) = x³ + 5x² + x
(b) f(x) = x² + x
(c) f(x) = -x
Find the zeros of the equation by factoring. x2 + 4x - 32 = 0
factors should have two whole numbers separated by a: + or - . Do not type parenthese and no spaces. Examples: x+5 x-4
Answer should have a comma between the two numbers. never use a + sign for positive numbers. Do not use any symbols. Use only numbers and a comma with no spaces. Examples: 6,-6 or -8,10. Do not use parenthesis or brackets.
Answer:
I guess this is the answer
Answer:
Step-by-step explanation:
(x+8)(x-4) = 0
x = -8
x = 4
What is the area of a figure?
Answer:
Area is calculated by multiplying the length of a shape by its width.
Step-by-step explanation:
Area is defined as the total space taken up by a flat (2-D) surface or shape of an object. Take a pencil and draw a square on a piece of paper. It is a 2-D figure. The space the shape takes up on the paper is called its Area.
Determine if the following system of equations has no solutions, infinitely many
solutions or exactly one solution.
2x + y = 7
-2x + 2y = -5
A. One Solution
B.Infinitely Many Solutions
C. No Solutions
Answer:
A. One Solution
Step-by-step explanation:
To determine if a system of equations has no solutions, infinitely many solutions, or exactly one solution, we can solve the system by any method, such as elimination or substitution.
In this case, we can solve the system by elimination. Multiplying the first equation by -2 and adding it to the second equation, we get:
0x + 4y = -3
This equation tells us that y must be equal to -3/4, but we still need to check if this value of y satisfies the original equations. Substituting -3/4 for y in the first equation, we get:
2x + (-3/4) = 7
Solving this equation for x, we get x = 5/4. Substituting this value of x and -3/4 for y in the second equation, we get:
-2(5/4) + 2(-3/4) = -5
which simplifies to:
-5/2 + (-3/2) = -5
This equation is true, so the solution of the system is x = 5/4 and y = -3/4. Since the system has a unique solution, the answer is (A) One Solution.
the italian mathematician fibonacci is known for introducing what mathematical concept?
Fibonacci sequence is the mathematical concept which was introduce by Italian Mathematician Fibonacci.
Fibonacci sequence is the mathematical concept which represents the each succeeding number is sum of two previous numbers.Fibonacci start the sequence with number 1.Fibonacci sequence example is 1, 1, 2, 3, 5, 8,... so on.It also represent the concept of golden ratio.This mathematical concept is used flower , nature etc.Formula used for Fibonacci sequence is fₙ = fₙ₋₁ + fₙ₋₂value of golden ratio present in the nature is approximately equal to 1.618Therefore, Fibonacci sequence is the mathematical concept that was introduce by Italian Mathematician Fibonacci.
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b. Sketch a graph of G for 0 ≤ t ≤ 12. n
14
12
10
8
6
cost (dollars)
4
2
2
4
6
time (hours)
8
10
12
Plot the Graph with time on X-axis and Cost on Y-axis.
It costs 12$ for 8,10,12 hours.
How to plot a graph?A graph is a diagram that shows the fluctuation of one variable in relation to one or more other variables (as a series of one or more points, lines, line segments, curves, or regions). In other words, depending on what you are attempting to prove or establish, values may be represented on a Cartesian coordinate system in a variety of ways. Discrete data would be shown on the graph as single points, such as the average price of vehicles from year to year. Since the calculation is only performed once each year, the data is discrete. The y axis would show the average price of cars for each year, while the x axis would indicate each year.
Plotting:Given;
5$ for first hour;
10$ for up to 2 hours;
12$ for entire day.
G(t) = 5$ up to first hour, 10$ for up to 2 hours and 12$ for more than 2 hours.(So G is a function of t)
So for 0 hours,[tex]\frac{1}{2}[/tex] hours,1 hours it takes 5$;
and 10$ for 1[tex]\frac{3}{4}[/tex]hours, 2 hours
and 12$ for 5h,8h,12h.
Plot the Graph with time on X-axis and Cost on Y-axis.
It costs 12$ for 8,10,12 hours.
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19 A trapezoid has an area of 216 square
inches. The length of its longer base is
two times the length of its shorter base.
If the height of the trapezoid is 8 inches,
what is the length of the shorter base?
A 18 in.
C 12 in.
B 36 in.
D
16 in.
Answer:
A)18in.
Step-by-step explanation:
Given,
A trapezoid Area= 216 sq
The length of its longer base=2x
The length of its shorter base= x
Height of Trapezoid = 8in
Area of Trapezoid= 1/2h(a+b)
216=1/2 x 8(2x+x)
216=4(2x+x)
216/4=3x
54=3x
54/3=x
18=x
Length of shorter base=18
Length of longer base=2x18=36
Hence, the length of the shorter base is 18in
Option A) is correct
Calculate the expected value of the scenario.
Find the value of tan W rounded to the nearest hundredth, if necessary.
U
50
40
W
!!
In the right angle triangle UVW and with help of Pythagoras Theorem, the value of tan W, rounded to the closest hundredth, is 4.55.
What is Pythagoras Theorem?According to Pythagoras's Theorem, the square of a right angle triangle's hypotenuse side is equal to the sum of the squares of its other two legs.
The opposite side is the 40 units, while the hypotenuse side is 41 units long in the right angle triangle. Thus, the value of base side W is,
[tex]VW^{2} + 40^{2}=41^2\\VW=\sqrt{41^2-40^2}\\VW= 9 units[/tex]
Now tan W=[tex]\frac{UV}{VW}[/tex]=[tex]\frac{41}{9}[/tex]=4.55;
In the right angle triangle UVW and with help of Pythagoras Theorem, the value of tan W, rounded to the closest hundredth, is 4.55.
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Show all work to identify the asymptotes and state the end behavior of the function f(x)=[tex]\frac{4x}{x-16}[/tex]
ILL MARK BRAINLIEST!! <3
Answer:
To find the asymptotes and the end behavior of the function f(x) = 4x / (x-16), we can first divide both the numerator and denominator by the highest common factor of 4x and (x-16). This gives us:
f(x) = (4x / 4x) / ((x-16) / 4x)
= 1 / ((x-16) / 4x)
Next, we can find the horizontal asymptotes by looking at the values of the function as x approaches positive and negative infinity. When x approaches positive infinity, the denominator of the function approaches 0, so the function approaches 1 / 0, which is undefined. Therefore, the function does not have a horizontal asymptote as x approaches positive infinity.
When x approaches negative infinity, the denominator of the function approaches -16 / -infinity, which is 0. Therefore, the function approaches 1 / 0, which is undefined. Therefore, the function does not have a horizontal asymptote as x approaches negative infinity.
Next, we can find the vertical asymptotes by setting the denominator of the function equal to 0 and solving for x. In this case, the denominator is (x-16) / 4x, so we can set each factor equal to 0 and solve for x:
x-16 = 0
x = 16
4x = 0
x = 0
Therefore, the function has two vertical asymptotes at x = 0 and x = 16.
Step-by-step explanation:
What is the slope of a line perpendicular to the line whose equation is 15x-18y=-486.
The slope of the line which is perpendicular to the given line is (-6/5).
Describe the negative reciprocal.
The negative reciprocal of a number, let's say "n," is "- (1/n).
We are aware of a line's equation in slope intercept form, y = mx + b, as well as the fact that perpendicular lines have slopes that are reciprocal to each other's negative values.
The slope intercept form of the line 15x - 18y = -486 can be expressed as,
-18y = -15x - 486.
- y = (-15/18)x - (486/18).
- y = (-5/6)x - 27.
y = (5/6)x + 27.
The slope of the supplied line is (5/6), making the perpendicular line's slope (-6/5).
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Henry has a length of ribbon that is 6 1/4 feet long He needs 1 1/12 feet of ribbon to make a bow.
The answer to this Question based on Length is Yes he can easily make a bow with that
What is Length?
Length is a measurement of distance or size. It is the greatest of the three linear dimensions and is often denoted by the letter “L”. Length is commonly used to measure the size of objects, the distance between two points, or the magnitude of a displacement. Length can be measured in a variety of units such as inches, feet, meters, kilometers, or miles. Length is also used to determine the area of a two-dimensional shape, the volume of a three-dimensional shape, and the circumference of a circle. Length is an important concept in mathematics, physics, engineering, and other scientific disciplines. Length can also be used to describe how long something lasts, such as the length of a movie or a song.
we can see that length of henry ribbon that is available is 6 1/4 feet long ribbon which means 25/4 feet ribbon
= 6.25 feet of ribbon
whereas length of ribbon he needs is 1 1/12 feet ribbon to make a bow which is equal to
13/12 = 1.08 feet ribbon and he has 6.25 feet available hence he can easily make a bow with that
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Determine the range of the following graph
The range of the graph is [-4, 11).
What is graph?A graph is a diagram that depicts the relationship between two variables, usually measured along opposite axes in a pair, is used.
In the given graph,
The value of the x coordinate varies from -8 to 11.
And the values of x shows the domain,
Therefore, domain is (-8, 11).
The y coordinate varies from -4 to 11.
And the values of y coordinate shows the range.
The value of y at 11 is open circle, So it shows open interval.
And at -4 it shows close interval.
So the range of the graph will be [-4, 11)
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The function f(x) is shown in the graph.
Graph in two parts. Part one is increasing from negative infinity in quadrant three to pass through negative 3 comma negative 2 and negative 1 comma 2 and continues increasing upward in quadrant two. Part two is increasing from negative infinity in quadrant 4 and passes through 1 comma negative 2 and 3 comma 2, then continues increasing upward to the right in quadrant one.
Which type of function describes f(x)?
Exponential
Logarithmic
Rational
Polynomial
The type of function that describes function f(x) is given as follows:
Rational function.
How to identify the type of function?The four types of functions are given as follows:
Exponential function.Logarithmic function.Rational function.Polynomial function.These functions are identified as follows from their graphs:
Exponential function: only an horizontal asymptote.Logarithmic function: only a vertical asymptote, but with a domain of only positive valuesRational function: can have both vertical and horizontal asymptotes.Polynomial function: no asymptotes.From the graph given by the image at the end of the answer, the features are given as follows:
Vertical asymptotes.Domain of all real values.Hence the function is a rational function.
Missing InformationThe graph of the function is given by the image shown at the end of the answer.
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consider people with three-letter initials.what are the number of choices for the first-, second-, and third-letter initials, if none of the letters are repeated?
Answer: 15,600 different choices for initials
Step-by-step explanation:
26 choices for the first, 25 for the second, and 24 for the third. When multipled, this is 15600.
(2x^3 + 5x^2 - x + 6) divided by (x-3)
We can use polynomial division concept for the given question. The quotient for the polynomial division is (2x^2+11x+32).
How can we do polynomial division?Divide the first term of the dividend by the first term of the divisor to divide polynomials using long division. The quotient's initial term is this. Dividend is calculated by multiplying the new term by the divisor. The new dividend is this difference. A polynomial is divided by another polynomial in an arithmetic operation called division, usually with a lower degree than the dividend. A polynomial may or may not be produced when two polynomials are divided.
CalculationTake Dividend as (2x^3 + 5x^2 - x + 6)
Take Divisor denominator as (x-3)
By using long hand division technique,
(2x^3+5x^2-x+6)/(x-3)
⇒(x-3)(2x^2+11x+32)/(x-3)
∴ The quotient for the given polynomial division is 2x^2+11x+32 and the
Remainder for the polynomial division is 90.
We can use polynomial division concept for the given question. The quotient for the polynomial division is (2x^2+11x+32).
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which of the following is a true statement about data visualization? question 38 options: a) data presented in charts, graphs, and maps provides an accessible way to see and understand trends, patterns, and outliers. b) overall data quality is unimportant when data is presented visually. c) decision makers are equally adept at perceiving data patterns when data is provided in tables or charts. d) decision makers often experience information overload when mathematical relationships (such as a regression line) are illustrated visually rather than as formulas.
The statement which is true about Data Visualization is:
a) Data presented in charts, graphs, and maps provides an accessible way to see and understand trends, patterns, and outliers.
Data Visualization:
Data visualization is the representation of data using common graphics such as charts, diagrams, infographics, and even animations. The visual representation of this information can communicate complex data relationships and data-driven insights in an easy-to-understand manner.
Data visualization can be used for many purposes, but it's important to note that it's not just for data teams. Executives also use it to teach organizational structure and hierarchy, and data analysts and data scientists use it to discover and explain patterns and trends. Harvard Business Review (link is outside IBM) categorizes data visualization into his four main objectives: idea generation, idea expression, visual discovery, and everyday data visibility.
Importance:
Data visualization provides a quick and effective way to communicate information in a universal way using visual information. Practice also helps businesses understand the factors that influence customer behavior. Identify areas that need improvement or need more attention. Make data more memorable for stakeholders. Understand when and where to place specific products. Then, Predict sales volume.
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