58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 80.8° is added to the data, how does the range change?

The slope of the parallel line is given by the equation m = ( -1/6 )

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

3x + 18y = -486   be equation (1)

On simplifying the equation , we get

Subtracting 3x on both sides of the equation , we get

18y = -3x - 486

Divide by 18 on both sides of the equation , we get

y = ( -3/18 )x - ( 486/18 )

On further simplification , we get

y = ( -1/6 )x - 27

Now , equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

Substituting the values in the equation , we get

Slope m = -( 1/6 )

Hence , the slope of the line is m = -1/6

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Answer:

560

Step-by-step explanation:

7*20*4=560

a)

The expression that represents the number of lawns Eve mows in those 8 weeks is 8(L- 2)

b)

The value of the expression is 8.

c)

The tabular table is given above.

d)

Eve mowed 24 lawns in 8 weeks.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Logan:

Number of lawns each week = L

Number of lawns 8 weeks = 8L

Eve:

Number of lawns each week = )L - 2)

Number of lawns 8 weeks = 8(L- 2)

a)

The expression represents the number of lawns Eve mowed in those 8 weeks.

= 8(L -2)

b)

When L = 3,

8 (L - 2)

= 8 (3 - 2)

= 8 x 1

= 8

c)

Tabular table

                Number of weeks     Number of lawns

Logan         x                                xL

Eve            x                                 x(L - 2)

d)

Logan:

Number of lawns in one week = 5

L = 5

Eve:

Number of lawns in 8 weeks.

= 8 (L - 2)

= 8 (5 - 2)

= 8 x 3

= 24

Thus,

a) 8(L- 2)

b) 8

c) Tabular table is given above.

d) Eve mowed 24 lawns in 8 weeks.

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The equivalent values of the variables {x}, {y} and {z} are -

x = 28.33

y = 29.83

z = 31.83

An function in mathematics defines a relationship between one variable (the independent variable {x})  and another variable (the dependent variable {y}). Example -

y = f{x} = ax + b

Given is that Isaac has a total of ninety pennies, nickels, and quarters. He has three and a half times as many quarters as nickels and one-half as many pennies as nickels.

Assume that he has {x} nickels, {y} pennies and {z} quarters.

So, we can write -

z = x + 3.5

y = x + 1.5

x + y + z = 90

Substituting the values of {y} and {z}, we get -

x + x + 1.5 + x + 3.5 = 90

3x + 5 = 90

3x = 85

x = 28.33                       .... Eq { 1 }

y = 28.33 + 1.5 = 29.83

y = 29.83                               .... Eq { 2 }

z = 31.83                                        .... Eq { 3 }

Therefore, the equivalent values of the variables {x}, {y} and {z} are -

x = 28.33

y = 29.83

z = 31.83

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False. A sample is a subset of all possible data values for a given subject under consideration, not the set of all possible data values.

What is sample space?

The set of all potential outcomes for an experiment is referred to as the sample space S in a random experiment. The results of a random experiment, also known as sample points, are incompatible (i.e., they cannot occur simultaneously).

A sample is a portion of a larger set of data that is selected for analysis or representation. It is not the entire set of all possible data values for a given subject, but rather a smaller subset chosen for the purpose of study.

Sampling is important because it allows researchers to study and make inferences about a larger population with a smaller, more manageable amount of data.

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The 66th term of this arithmetic sequence is equal to 653.

Mathematically, the nth term of an arithmetic sequence can be calculated by using this expression:

aₙ =  a₁ + (n - 1)d

Where:

Next, we would determine the common difference as follows.

Common difference, d = a₂ - a₁

Common difference, d = 13 - 3

Common difference, d = 10.

Substituting the given parameters into the formula, the 66th term of this arithmetic sequence is given by;

a₆₆ = a₁ + (n - 1)d

a₆₆ = 3 + (66 - 1)10

a₆₆ = 3 + (65)10

a₆₆ = 3 +650

a₆₆ = 653.

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The 66th term of the arithmetic sequence is 653

An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence. The constant difference is called common difference of that arithmetic progression.

The nth term of an arithmetic sequence is given as:

a(n) = a1 + (n-1) d

a1 is the first term and d is common difference

d =10, a = 3

a(66) = 3 + ( 66-1) 10

a(66) = 3+ 65 ×10

a(66) = 3 + 650

a(66) = 653

therefore the 66th term of the sequence is 653

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Vertex is (7, -6).

Vertex form is y = -9/121 (x + 7)² + 6

Standard form is y = (-9/121)x² - (126/121)x + 285/121

The coordinates in a graph indicate the location of a point with respect to the x-axis and y-axis.

The coordinates in a graph show the relationship between the information plotted on the given x-axis and y-axis.

We have,

From the graph,

(4, -3), (10, 3), and (7, -6)

Now,

The vertex form of an equation is y = a(x - h)² + k

From the graph,

The vertex is (-7, 6).

Vertex form.

(-7, 6) = (h, k)

y = a(x - h)² + k

y = a(x + 7)² + 6

Now,

(4, -3) = (x, y)

So,

-3 = a(4 + 7)² + 6

-3 = a x 11² + 6

-3 = 121a + 6

-3 - 6 = 121a

a = -9/121

Now,

y = a(x + 7)² + 6

y = -9/121 (x + 7)² + 6

y = -9/121 (x² + 14x + 49) + 6

y = (-9/121)x² - (9/121 x 14)x - 9/121 x 49 + 6

y = (-9/121)x² - (126/121)x - 441/121 + 6

y = (-9/121)x² - (126/121)x + 285/121

This is the standard form.

Thus,

Vertex form is y = -9/121 (x + 7)² + 6

Standard form is y = (-9/121)x² - (126/121)x + 285/121

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To get the number of half-lives passed, we divide the time of flight from part a by the length of a half-life, as

given in the statement of the problem:

Number of half lives = 2×10−4

1.5×10−6 ≈ 133

The fraction of remaining muons will decrease by 1/2

every half life, so the fraction after a given number N of

half-lives will be:

1/2 × 1/2 × 1/2

· · · N times · · · × 1/2 = ( 1/2)N .

This makes the fraction remaining equal to 1/2 to the power 133:

fraction remaining = ( 1/2)

133 ≈ 10−40. That’s not very many muons

First-generation quarks are what make up pions, which are mesons with no spin. An anti-down quark and an up quark are described in the quark model. In addition to vector, rho, and omega mesons, the exchange of virtual pions also explains why there is still a strong interaction between nucleons. Pions are typically created in high-energy collisions between hadrons and are not created during radioactive decay. In some matter-antimatter annihilation processes, pions are also produced.

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Note that the full question is:

Ne of the many fundamental particles in nature is the muon mu. This particle acts very much like a "heavy electron." It has a mass of 106 MeV/c^2, compared to the electron's mass of just 0.511 MeV/c^2. (We are using E = mc^2 to obtain the mass in units of energy and the speed of light c).Unlike the electron, though, the muon has a finite lifetime, after which it decays into an electron and two very light particles called neutrinos (nu). We'll ignore the neutrinos throughout this problem.

If the muon is at rest, the characteristic time that it takes it to decay is about 2.2 microseconds. Most of the time, though, particles such as muons are not at rest and, if they are moving relativistically, their lifetimes are increased by time dilation. In this problem we will explore some of these relativistic effects.

Cosmic rays are constantly raining down on the earth from outer space. (Figure 1)The majority of these cosmic rays are protons, and when upper atmosphere, they can convert into particles called pions (), which subsequently decay into muons with a characteristic lifetime of T.

Suppose that a cosmic-ray proton crashes into a nitrogen molecule in the upper atmosphere. 45 km above the earth's surface, producing a pia a muon. Assume that the pion has a velocity of 99.99% the speed of light and decays into a muon, which, owing to kinematics, has a downward velocity of 99.9943% the speed of light.

now let’s consider the effect of time dilation how far would the pion actually travel before decaying?

As per the given data, the required confidence interval is (2.79) or (3.95) and the required sample size is 22.

The table which shows the calculation for mean and sd is attached below the answer ;

Given that :-
The sample mean is  X = ∑x/n = 3.372

Sample standard deviation = √∑(x- X)² /√n-1 = 1.6

and the population standard deviation (σ) = 0.66

(a).

For 95% conifdence interval z-critical value is 1.96. A 95% confidence interval for the mean adhesion is :-

= X ± [tex]Z_{c}[/tex] • σ/√n
= 3.72 ± 1.96 • 0.66/√5

= 3.72 ± 0.5785

= (3.72 + 0.57) or (3.72 - 0.57)  

= (2.79) or (3.95)

Hence, the required confidence interval is (2.79) or (3.95).

(b).

Here we have, E = 0.55/2 = 0.275

so, the required sample size (n) = [tex]Z^{2}_{c}[/tex] • σ²/ E²

       (n) = 1.96² • 0.622²/0.275²

       (n) = 22.13

Hence, the required sample size is 22(approx).

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------------- Correct format of the question is given below ------------

(Q). Ishikawa et al. (Journal of Bioscience and Bioengineering, 2012) studied the adhesion of various biofilms to solid surfaces for possible use in environmental technologies. Adhesion assay is conducted by measuring absorbance at A590. Suppose that for the bacterial strain Acinetobacter, five measurements gave readings of 2.69, 5.76, 2.67, 1.62 and 4.12 dyne-cm2. Assume that the population standard deviation is known to be 0.66 dyne-cm2, and the population distribution is normal.

(a) Find a 95% confidence interval for the mean adhesion.

(b) If the scientists want the confidence interval to be no wider than 0.55 dyne-cm2, how many observations should they take? (Note that, the width of the confidence interval is two times the margin error E, so E = 0.55/2).

The roots of the given quadratic function would be -

x = {- b - √(b² - 4c)}/2     &      x = {- b + √(b² - 4c)}/2

A function describes a relationship between a dependent and independent variable. Example -

y = f(x) = 5x + 9

A quadratic function is of the form -

y = f(x) = ax² + bx + c

Given is the quadratic equation as -

x² + bx + c = 0

Using the quadratic formula, we can write the roots as -

x = {- b ± √(b² - 4c)}/2

We can write the two distinct roots as -

x = {- b - √(b² - 4c)}/2     &      x = {- b + √(b² - 4c)}/2  

Therefore, the roots of the given quadratic function would be -

x = {- b - √(b² - 4c)}/2     &      x = {- b + √(b² - 4c)}/2.

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The decimal form of the fraction 5 / 6 is 0.84.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the fractional number is  5 / 6.

The decimal form of the number will be calculated by dividing the number 5 by the number 6.

Decimal number = 5 / 6

Decimal number = 0.8333333333333

Decimal number = 0.84

Hence, the decimal form will be 0.84 for the fraction 5 / 6.

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Option D. Doing inferential statistics. Inferential statistics is the process of using sample statistics to draw conclusions about population parameters.

This involves making inferences about a population based on data collected from a sample, and using statistical methods to estimate the true values of population parameters, such as the mean or proportion.

Descriptive statistics, on the other hand, involves summarizing and describing the characteristics of a sample or population, without making any inferences about the larger population.

Calculating the confidence level and finding the significance level are important components of inferential statistics, as they help to assess the accuracy and reliability of the estimates made based on the sample data. However, these are not the primary processes involved in using sample statistics to draw conclusions about population parameters.

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The process of using sample statistics to draw conclusions about population parameters is called: group of answer choices

A. Calculating the confidence level.

B. Calculating descriptive statistics.

C. Finding the significance level.

D. Doing inferential statistics.

Answer:

1/15

Step-by-step explanation:

If you divide all the fractions, only 1/15 has a repeating decimal. Hope you pass, Alyssa

This equation cannot be solved as e to the power of any number cannot be negative. The population of a town cannot be negative. Hence, the population cannot reach 60,000.

To approximate the number of years it will take for the population to reach 40 thousand using the graph, you can look at the x-axis and visually estimate the point where the population line intersects with the 40,000 line. It looks like this will occur around year 25.

To find the number of years it will take for the population to reach 60 thousand without using the graph, you can set up the equation p(n) = 18 - e = 60,000 and solve for n.

p(n) = 18 - e = 60,000

18 - e = 60,000 + e

36 = 120,000

e = -84,000

n = log(-84,000)/log(e)

This equation cannot be solved as e to the power of any number cannot be negative. The population of a town cannot be negative. Hence, the population cannot reach 60,000.

Data integration is the process of combining data from multiple sources into a single, coherent view. This can involve the merging of data from multiple databases, files, or other data storage systems into a centralized repository, or it can involve the creation of a new, unified dataset from disparate sources. The goal of data integration is to provide a single version of the truth by removing duplicates, inconsistencies, and errors, and providing a comprehensive, accurate, and up-to-date view of all relevant data. Data integration is a critical step in many data management and analytics processes and is important for ensuring the reliability and usefulness of data for decision-making.

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Answer:

Always

Step-by-step explanation:

A whole number will always be an interger.

the graph of the function g(x) = |x + 3|  will not have a negative value. graph of the given function is attached below.

A pair of numbers called coordinates are used to locate a point or a form in a two-dimensional plane. The x-coordinate and the y-coordinate are two numbers that define a point's location on a 2D plane.

Given a function  g(x) = |x + 3|.

Since the modulus of a function is a function that gives the absolute value of a number or variable. It produces the magnitude of the number of variables. It is also termed an absolute value function. The outcome of this function is always positive, no matter what input has been given to the function.

Thus,

The domain of this function g(x) is - infinite to  + infinite

And range will be [0, ∞)

So the graph of the function g(x) = |x + 3|  will not have a negative value.

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The equation of the ellipse and the equation of the hyperbola can be derived from the given information and the general form of the equations.

Part A: The equation of the ellipse is [tex]\frac{x^2}{3^2} + \frac{y^2}{4^2} = 1[/tex]

Part B The equation of the hyperbola is [tex]\frac{x^2}{(-4)^2} - \frac{y^2}{(-7)^2} = 1[/tex]

Part C: The domain of the ellipse is; [-3, 3]

The domain of the hyperbola is; (-∞, -4]

The domains of the ellipse and the hyperbola do not intersect, therefore, the system of the equation has no solution.

A planar curve with two focal points is called an ellipse if at every point on the curve the sum of the two distances from the focal points is constant.

The domain of the hyperbola = x < The negative vertex

∴ The domain of the hyperbola = x < -4 = (-∞, -4]

The above domain of the ellipse does not extend to the hyperbola, therefore there is no solution to the system

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A ratio has two or more numbers that symbolize relation to each other. Ratios are used to compare the numbers, and you can compare them using division.

If the ratio is 2: 3, (children's section: chapter books) we can use this equation to figure out how many chapter books there are if there are 500 children's section books:

In the ratio 2: 3, 2 is being multiplied by 1.5 to get to 3. If the relationship between the numbers 2 and 500 stays proportional, we multiply 500 by 1.5.

Therefore, the ratio of children's books to chapter books is 500: 750, meaning there are 750 chapter books.

The length of the Line segment QS is; QS = 63

From the given diagram attached which is a straight line segment, we can see that;

QR = 9x

RS = 12x - 21

We are told that the length of line segment RS = 27. Thus;

12x - 21 = 27

12x = 27 + 21

12x = 48

x = 48/12

x = 4

Thus;

QR = 9*4 = 36

RS = 12(4) - 21

RS = 27

Thus, we can say that;

QS = 36 + 27

QS = 63

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Sabotage is the most serious threat to aviation safety. Airport security could be increased.

The relative normal probability plot of aeroplane crashes is derived by using its concept:

Error of the pilot: 503/1944 = 0.258.

90/1944 erroneous by humans: 0.046.

326/1944 = 0.167 for weather.

issues with the mechanics: 382/1944 = 0.196.

643/1944 = 0.330 sabotage.

Sabotage provide the chief concern as a result of the higher relative frequency; therefore, airport security could be increased.

Define Relative Frequency.

The number of desired outcomes divided by the total number of outcomes yields a relative frequency.

The total number of accidents in this problem is provided by:

503+90+326+382+643 = 1944

Following are the relative frequencies of each cause:

Error of the pilot: 503/1944 = 0.258.

90/1944 erroneous by humans: 0.046.

326/1944 = 0.167 for weather.

issues with the mechanics: 382/1944 = 0.196.

643/1944 = 0.330 sabotage.

Due to Sabotage provide the greatest concern as a result of the increased relative frequency; therefore, airport security should be increased.

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Answer: $1095.20

Step-by-step explanation: Multiply 6% by 740 and then times that number by 8 and add it to 740, lmk if it is wrong though.

Answer:

1095.20

Step-by-step explanation:

Take the 8 for the amount of time and multiply it by .06 because .06 is repeating each year.

You get .48 when you multiply it. Take that decimal and multiply it by 740.

He will get an extra 355.20. Add that with 740.

He has $1095.20 in his account.

TLDR: Your answer is D. 260 square feet.

To find the area of a triangle, you must use the formula "1/2 B ⋅ H."

In this problem, your values are the following:

B = 20

H = 26

Now, you just plug these values in and solve.

1/2 (20) ⋅ 26  >  10 ⋅ 26 = 260 ft

The solution is X =13.66.

A square root of a number is a value that, when multiplied by itself, gives the number. In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square is x.

For example, 4 and −4 are square roots of 16, because 4² = ² = 16.

here, we have,

given that,

(X-8)^2-7=25

(X-8)^2= 25+7

(X-8)^2=32

by, thaking sq.root both side we get,

(X-8)= √32

X= 5.66+8

X =13.66

Hence, The solution is X =13.66.

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The simplified expression that represents the perimeter of the new triangle

is 72c² + 20c.

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know the perimeter of any two-dimensional planer figure is the sum of the lengths of it's all the sides except the circle.

The given perimeter of the right angle triangle is,

= (4c + 6c + 4 + 8c + 1).

= 18c + 5.

Therefore, The new perimeter of the triangle will be,

= 4c(18c + 5).

= 72c² + 20c.

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Answer:

Below

Step-by-step explanation:

90 feet + 200 yrads = 90 feet + 200 *3 feet = 690 feet  EACH direction for a total of   690 * 2 = 1380 ft

Answer:

1380 ft long

Step-by-step explanation:

1. You would convert 200 yds to feet. (3ft in a yd so 600 ft.)

2. Add 600+90 to figure out how far she walked to her friend.

3. Double it because she walked the same distance to get home.

Terri will need a total cash of $66,240 where $3200 is the down payment and $2240 is the closing cost.

Percentage is defined as the parts of a number per fraction of 100. We have to divide a number with it's whole and then multiply with 100 to calculate the percentage of any number.

Percentage is usually denoted by the symbol '%'.

1. Purchase price = $64,000

Percent of down payment = 5% of purchase price

Amount of money needed to pay down payment = 64,000 × 5%

                                                                                  = 64,000 × 0.05

                                                                                  = $3200

2. Purchase price = $64,000

Percent of closing cost = 3.5% of purchase price

Amount of money needed to pay closing cost = 64,000 × 3.5%

                                                                             = 64,000 × 0.035

                                                                             = $2240

3. Down payment is included in the purchase price.

Closing cost is in addition to the purchase price.

Total cash needed = $64,000 + $2240 = $66,240

Hence the total cash needed to purchase condominium is $66,240.

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When the measurement scale provides information regarding greater than or less than, but not how much greater or less, it is in the form of ordinal data.

Ordinal data is a type of categorical data, which is a type of data that fits into discrete categories, such as gender, or levels of education. Ordinal data does not provide numerical values for comparison, only information on the order of the categories.

For example, a survey may ask respondents to rate their opinion of a product on a scale of one to five. The scale provides information on the order of the categories (one being least favorable and five being most favorable), but it does not provide numerical values that can be used to calculate the average opinion of the product.

Mathematically, ordinal data is usually represented using an ordered set of numbers, with each number representing the order of the categories. For example, the survey mentioned above would be represented this way: 1, 2, 3, 4, 5. This set of numbers can then be used to calculate the median, mode, and range of the data. For example, the median value of the example survey would be 3, the mode would be 5, and the range would be 4 (5 - 1 = 4).

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Brandon is currently 6 81 years old.

Let M be Michael's age and B be Brandon's age.

We are given that Michael is 3 33 times as old as Brandon. This means that M = 3 33 × B

We are also given that 18 1818 years ago, Michael was 9 99 times as old as Brandon. This means that M - 18 1818 = 9 99 × (B - 18 1818).

We can combine these two equations to solve for Brandon's current age:

3 33 × B = (9 99 × B) + 18 1818

2 66 × B = 18 1818

B = 18 1818 / 2 66 = 6 81.

Therefore, Brandon is currently 6 81 years old.

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