which of the following is a heuristic commonly used in problem solving? group of answer choices regression analysis local minimization means-end analysis local maximization functional fixedness

In the provided problem of collection survay data the researchers use the Cluster Analysis data analysis techniques.

Cluster analysis is a statistical technique for processing data. It works by organizing items into groups or clusters based on how closely related they are.

Cluster analysis, similar to reduced-space analysis (factor analysis), deals with data matrices in which the variables have not been previously split into reference and prediction subsets. The goal of cluster analysis is to find similar groups of subjects. Here, “similarity” between each pair of subjects means a global measure of the entire set of traits.

The most common use of cluster analysis is classification. Subjects are divided into groups such that each subject is more similar to other subjects within that group than subjects outside the group.

Cluster analysis used in following areas

In the context of market research, this can be used to identify categories such as age ranges, income ranges, urban, rural, or suburban locations.

Marketing can use cluster analysis for audience segmentation to target different customer groups with the most relevant messages.

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Answer:

  (a)  y -5= -2(x -2)

Step-by-step explanation:

You want the equation of the line perpendicular to y = (1/2)x - 2 that contains the point (2, 5).

Perpendicular lines have slopes that are opposite reciprocals of one another. The slope of the given line is the x-coefficient: 1/2. Its opposite reciprocal is ...

  -1/(1/2) = -2

The point-slope equation of a line is ...

  y -k = m(x -h) . . . . . . . . line with slope m through point (h, k)

You want a line with slope -2 through point (2, 5), so its equation is ...

  y -5 = -2(x -2)

The unit rate of Ricky purchase is $3.75 per pizza.

The unit rate of William purchase is $8 per pounds of blackberries.

Unit rate is the ratio of two different units, with denominator as 1.

In other words, a unit rate is a rate where the second quantity is one unit , such as $10 per pound, 30 miles per hour, 22 Indian Rupees per Nigerian naira, etc.

Let's find the unit rate of the situations.

Ricky spent $15.00 on 4 pizzas

unit rate = 15 / 4

unit rate = 3.75 dollars per pizza

William paid $20.00 for 2 1/2 pounds = 5 / 2 pounds of blackberries.

Therefore,

unit rate = 20 ÷ 5 / 2

unit rate = 20 × 2 / 5

unit rate = 40 / 5

unit rate = 8 dollars per pounds of blackberries

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The amount that we have to increase the price to maintain your current dollar profit margin is  $2.04 , the correct option is (a) .

In the question ,

it is given that ,

there is a trucking strike that causes the increase in the price ,

the percent increase in the price of the ingredient = 17% .

the current cost of the package = $12 ,

the increases in price of the ingredient = 17% of 12

= 0.17 × 12            ......because 17% = 0.17

= 2.04

the increase is $2.04 .

Therefore , The amount that we have to increase the price to maintain your current dollar profit margin is  $2.04 , the correct option is (a) .

The given question is incomplete , the complete question is

There was a trucking strike that caused a prime ingredient in your menu item to shoot up 17%. You were paying $12 per package. How much will you have to increase the price of the menu item if you wish to maintain your current dollar profit margin on the menu item ?

(a) $ 2.04

(b) $6.37

(c) $7.15

(d) $9.44

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The additive inverse of the mentioned complex number is -13 + 2i.

The additive inverse of any number is defined as the number, which on addition to the original number, gives the sum zero. In order to make possible this situation, the additive inverse will have opposite signs for each value.

In the question, 13 has positive sign and 2i has negative sign. To cancel them out, the additive inverse will be 13 with negative sign and 2i with positive sign. Thus, third option is correct additive inverse.

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The complete question is -

what is the additive inverse of the complex number 13 - 2i?

-13 - 2i

-13 + 2i

13 - 2i

13 + 2i

a) The pie chart that represents this information is given at the end of the answer.

b) The amount that represents his savings is of: gh¢ 720.

A pie chart is a graph in which the values of each measure in the data-set assume a percentage equivalent to the percentage of these values in the circular graph.

In the context of this problem, these percentages are given as follows, as stated from the text:

All these percentages are inserted on the image given at the end of the answer, which represents the pie chart.

The percentage of savings is of:

12%.

Hence the amount of savings is given by the multiplication of 0.12 by 6,000. as follows:

0.12 x 6000 = gh¢ 720.

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The front and side elevation diagram along with the diagram given in question is attached with the answer.

What is elevation?

A location's elevation can be defined as its height above or below a fixed reference point, most frequently a reference geoid, a mathematical representation of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum Vertical datum). In most cases, elevation is used to describe locations on the surface of the Earth, whereas altitude or geopotential height is used to describe locations above the surface, such as those of flying airplanes or orbiting satellites, and depth is used to describe locations below the surface.

Drawing the required Elevation Using the Construction Method

The scale is 2 squares to 1 meter.

16 squares total make up the plane on which the front elevation is to be drawn.

Front elevation: There are 4 squares across the front elevation's width.

4 + 1 squares make up the portion of the front closest to the observer.

The slant surface of the has a square count of 3 by 4 squares.

Side elevation: By following the same format as before, the side elevation is provided as follows;

The lower side of the side elevation's breadth is 2 meters wide, or 4 squares.

The side elevation's height is 2 meters, or 4 squares.

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the 60th percentile of breaking strength for this type of fishing line is

k= 6.64

assume that k pounds is the both percentile of breaking strength for this type of finishing line

p( x<k) = 0.60

p( x- 6.44/0.75 < k- 6.44/0.75)= 0.60

then k-6.44 /0.75 = 0.26

thus k= 6.64

Hence , the 60th percentile of breaking strength for this type of fishing line is 6.64

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The solution of the given equation is x = 10/3

The replacement value is 10/3.

This is incorrect question

Correct question is :

What is the solution to the equation 6x−5=15, given the replacement set {5/6, 5/3, 10/3}

Given,

In the question:

The equation is given as:

6x - 5 = 15

To find the solution of the given equation.

Now, According to the question:

The equation is:

6x - 5 =15

Combine the like terms:

6x = 15 + 5

6x = 20

x = 20 /6

x = 10/3

Hence, The solution of the given equation is x = 10/3

The replacement value is 10/3.

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A) A polynomial function in factored form modeling the volume V of the box is; V(x) = x²(20 - x)

B) The maximum possible volume of the box is; 1185.19 in³

C) The way the maximum possible volume is found is by finding the derivative and equation to zero. Thereafter, we substitute the value into the first equation.

The formula for volume of a rectangular box is;

V =L * W * Height

Where;

L is length

W is width

H is height

We are given;

Height; h

Square base and so;

L = W = x

Thus, the volume is;

V = (x)(x)(h)

The combined length of a side of the square base and the height is 20 in. Thus; x + h = 20

h = 20 - x

Thus, volume is;

V(x) = x²(20 - x)

2) The expanded form of the volume is; V(x) = 20x² - x³

dV/dx = 40x - 3x²

The function has maxima and minima when dV/dx = 0. Thus;

40x - 3x² = 0

Solving for x gives;

x = 0 or 40/3

Maximum possible volume is;

V(40/3) = 20(40/3)² - (40/3)³

V(40/3) = 1185.19 in³

c) The way the maximum possible volume is found is by finding the derivative and equation to zero. Thereafter, we substitute the value into the first equation.

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Answer: m1=2 and m2=88

Step-by-step explanation:

90=x-9+8x

99=9x

x=11

Answer:

1.a)  Broken line.

1.b)  False.

2.a)  Solid line.

2.b)  True.

Step-by-step explanation:

When graphing inequalities:

Given inequality:

[tex]y > -2x+4[/tex]

a)  As the "<" sign has been used, the line will be a broken line.

b)  Substitute (0, 0) into the inequality:

[tex]\begin{aligned}\textsf{When $x=0$ and $y=0$}: \quad 0 & > -2(0)+4\\0 & > 0+4\\0 & > 4\end{aligned}[/tex]

As zero is not greater than 4, the solution at (0, 0) is false.

Graphing the inequality

Change the inequality sign to an equals sign, then substitute two values of x into the equation and solve for y to find two points on the line:

[tex]\begin{aligned}x=-2: \quad y & =-2(-2)+4\\y &=4+4\\y&=8\end{aligned}[/tex]

[tex]\begin{aligned}x=4: \quad y & =-2(4)+4\\y &=-8+4\\y&=-4\end{aligned}[/tex]

Plot the points (-2, 8) and (4, -4).

Draw a broken straight line through the points.

Shade above the line.

Given inequality:

[tex]3x+2y \leq 6[/tex]

a)  As the "≤" sign has been used, the line will be a solid line.

b)  Substitute (0, 0) into the inequality:

[tex]\begin{aligned}\textsf{When $x=0$ and $y=0$}: \quad 3(0)+2(0) & \leq 6\\0+0 & \leq 6\\0 & \leq 6\end{aligned}[/tex]

As zero is less than 6, the solution at (0, 0) is true.

Graphing the inequality

Change the inequality sign to an equals sign, then substitute two values of x into the equation and solve for y to find two points on the line:

[tex]\begin{aligned}x=-2: \quad 3(-2)+2y & =6\\-6+2y&=6\\2y&=12\\y&=6\end{aligned}[/tex]

[tex]\begin{aligned}x=4: \quad 3(4)+2y & =6\\12+2y&=6\\2y&=-6\\y&=-3\end{aligned}[/tex]

Plot the points (-2, 6) and (4, -3).

Draw a solid straight line through the points.

Shade below the line.

The pounds of chocolate chips that were left is B. eleven-twelfths pounds

Given that Eva bought seven and one-half pounds of chocolate chips. She used three and three-fourths pounds in some cookies and two and five-sixths pounds in some muffins

The fraction left will be:

= Total pounds bought - The amount used

= 7 1/2 - (3 3/4 + 2 5/6)

= 7 1/2 - (3 9/12 + 2 10/12)

= 7 1/2 - 6 7/12

= 11/12

In conclusion, the correct option is B.

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the sampling distribution of the sample means is 0.03

According to the central limit theorem (n>= 30), the sampling distribution of the sample mean is approximately normal with a mean of 4.9 and a standard deviation of 3.

So:

x = standard dev/sample size

= 3 / 100

= 0.03; it is normal due to its large sample size.

Distribution is the technique of promoting and handing over services and products to clients. The term is related to marketing channels that are used to reach customers in special methods and exceptional areas. distribution characteristic, a mathematical expression that describes the chance that a machine will take on a particular value or set of values. The traditional examples are related to games of hazard.

distributing objects is an act of spreading them out similarly. Algebraic distribution method to multiply every one of the phrases inside the parentheses by way of another time period this is outside the parentheses. To distribute a term over several different terms, you multiply each of the alternative phrases by the primary term. the statistical distribution suggests which values are common and uncommon. there are numerous styles of statistical distributions, along with the bell-shaped everyday distribution.

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The time taken to knit the scarf form start to finish is 10 hours .

In the question ,

it is given that ,

the total length of the scarf = 5 foot

After 4 hour, the volunteer still has to knit 3 feet, which means

time taken by volunteer to knit 2 feet scarf = 4 hours

So , the time taken by volunteer to knit 1 feet scarf = 4/2 = 2 hours .

hence , the the time taken by volunteer to knit the 5 feet scarf is calculated by using the formula

= 5 × (time taken to knit 1 feet)

= 5 × (2)

= 10 hours .

Therefore , The time taken to knit the scarf form start to finish is 10 hours .

The given question is incomplete , the complete question is

A volunteer knit a 5-foot long scarf at a constant rate. After 4 hour, the volunteer still has to knit 3 feet of the scarf. How much time does it take to knit the scarf from start to finish ?

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Answer:

Step-by-step explanation:

Estimated line of best fit added to the graph (see attached).

The most reasonable value of y corresponding to x = 3 is approximately 18 gallons.

The matching answer choice is D.

Answer:

(D) 17 gallons

Step-by-step explanation:

To cover the area of floor, we will spend $0.65 for the entire 0.23 squared feet

Perimeter of Rectangle could be considered as one of the important formulae of the rectangle. It is the total distance covered by the rectangle around its outside. A rectangle is a quadrilateral that has two pairs of parallel sides equal and all the four angles at the vertices are right angles.

The formula of perimeter of a rectangle is given as

P = 2(L + W)

But the width the rectangle is 6 feet more than half it's length.

W = 6 + 1/2L

If the perimeter is 313 times the length;

P = 2(L + W)

P = 2(L + 6 + 1/2L)

But P = 313L

313L = 2(L + 6 + 1/2L)

313L = 2L + 12 + L

313L = 3L + 12

310L = 12

L = 12 / 310

L = 0.039 ft

The length of rectangle is 0.039ft

The width of the rectangle is 6 + 1/2(0.039) = 6.0195ft

The perimeter of the rectangle = 2(L + w)

Perimeter = 2 (0.039 + 6.0195)

Perimeter = 12.117ft

The area of the rectangle is L * w

A = L * W = 0.039 * 6.0195

A = 0.234ft^2

The cost of the materials will be 2.75 * 0.234 = $0.65

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Answer: 1,500 people died and there names were. John Jacob Astor, Archibald Gracie IV, W. T. Stead, Noël Leslie, Thomas Andrews, Margaret Brown and John Thayer

Step-by-step explanation:

The Titanic — billed as an unsinkable ship — hit an iceberg and sank on April 15, 1912. Over 1,500 people died in the maritime disaster, while 705 individuals survived.

As the act of Texas Code of Judicial Conduct affect judicial campaigns, the correct statement is "Option D. It doesn't have much of an effect on political activity during judicial campaigns, since judges still discuss their political ideology.".

Texas code

Texas code refers the compilation of all state agency rules in Texas. In this one, there are 17 titles in the TAC. And each title represents a subject category and related agencies are assigned to the appropriate title.

Given,

Here we need to find how does the Texas Code of Judicial Conduct affect judicial campaigns.

According to the Andrew Cohen,

The correct statement in this one is,

Option D:

It doesn't have much of an effect on political activity during judicial campaigns, since judges still discuss their political ideology.

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Answer: option 2

Step-by-step explanation:

The leading coefficient is positive and the degree is odd, so the correct answer is option 2.

Heidi earned $30 in commission.

The amount of money that the store made from Heidi's sales is equal to $720.

In this exercise, you're required to determine the amount of money earned by the salesperson as commission based on the price at which she sold a jewelry.

Mathematically, the amount of commission earned on the sales of a product can be calculated by using this mathematical expression:

Commission = Percent commission × Sales price

Given the following data:

Percent commission = 4%

Sales price = $750.

Substituting the given parameters into the formula, we have;

Commission = 4/100 × 750

Commission = 0.04 × 750

Commission = $30.

Next, we would determine the amount of money that the store made from her sales:

Sales = $750 - $30.

Sales = $720.

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Answer:

100 square meters

Step-by-step explanation:

[tex] {x}^{2} + 6x + 8x = 240[/tex]

[tex] {x}^{2} + 14x = 240[/tex]

[tex] {x}^{2} + 14x - 240 = 0[/tex]

[tex](x - 10)(x + 24) = 0[/tex]

[tex]x = 10[/tex]

x = -24 will not work (it is extraneous).

[tex] {x}^{2} = 100[/tex]

So the area of the square region is 100 square meters.

Rama had used 0.10 as an approximation for the length of each bead, the row would have been too short and would have dropped outside of the allowed length range.

Rama is stringing beads whose lengths are each 0.19 inches.

A bead's length is 0.19 inches, which is approximately 0.2 inches. If the row has 9 beads, we must double the length of each bead by the number of beads. Therefore

Because the beads are approximately 0.20 inches in length, the length of a row of 9 beads is

will be approximately 9 × 0.20 = 1.80 inches.

Thus, if she had used 0.10 as an approximation for the length of each bead, the row would have been too short and would have dropped outside of the allowed length range.

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Answer: SAS (Side angle side)

The intermediate form for the limit , [tex]\lim_{x \to \infty}[/tex] e²ˣ/x⁵ is  ∞/∞

Given,

The limit ; [tex]\lim_{x \to \infty} \frac{e^{2x} }{x^{5} }[/tex]

L'Hospital's rule;

A general technique for assessing indeterminate forms like 0/0 or / is the L'Hospital rule. L'Hospital's rule is applied to calculate the limits of indeterminate forms for calculus derivatives. It is possible to use the L Hospital rule many times.

By using L'Hospital's rule the intermediate form is;

[tex]\lim_{x \to \infty} \frac{e^{2x} }{x^{5} }[/tex] = [tex]\lim_{x \to \infty}[/tex] e²∞/ ∞⁵

 [tex]\lim_{x \to \infty} \frac{e^{2x} }{x^{5} }[/tex] =  [tex]\lim_{x \to \infty}[/tex] e∞/∞

[tex]\lim_{x \to \infty}[/tex] e²ˣ/x⁵ = [tex]\lim_{x \to \infty}[/tex] 2e²ˣ / ∞

[tex]\lim_{x \to \infty}[/tex] e²ˣ/x⁵ = [tex]\lim_{x \to \infty}[/tex] 2e∞/∞ = ∞/∞

That is,

The intermediate form for the limit , [tex]\lim_{x \to \infty}[/tex] e²ˣ/x⁵ is  ∞/∞

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The regression equation for a scatterplot with these points  is y=13.4x-11.1

An equation is an expression that shows the relationship between two or more numbers and variables.

We have given the point (4, 35), (6.5, 92), (2, 10), (5, 50), (6, 85), (10, 110)

First we need to find the slope.

The formula to calculate the slope between two points is;

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Now substitute the values

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

m = ( 92 - 35 ) / ( 6.5 - 4)

m = 13.4

Find the equation of the line in slope intercept form;

y = mx + c

we have

y = 13.4x + c

Then 35 = 13.4(4) + c

c = -11.1

therefore

y = 13.4x-11.1

The regression equation for a scatterplot with these points  is y=13.4x-11.1

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The standard deviation of the monthly amount charged is 346.41

Step 1: Identify the values of a and b, where [a , b] is the interval over which the continuous uniform distribution is defined.

Since it takes between 300 and 1500 minutes to be seated at the restaurant, we have:

a = 300

b = 1500

Step 2: Calculate the variance using the formula Var(x) = [tex]\frac{(b-a)^{2} }{12}[/tex]

Using the formula for the variance and the values identified in step 1

(a = 300 , b = 1500), we have:

Var(x) = [tex]\frac{(b-a)^{2} }{12}[/tex]

         = [tex]\frac{(1500 - 300)^{2} }{12}[/tex]

         = 1440000/12

         = 120,000

the variance is 120,000

Step 3: Calculate the standard deviation by taking the square root of the variance. σ = [tex]\sqrt{Var(x)}[/tex]

The standard deviation is the square root of the result from step 2 (variance = 120,000)

σ = [tex]\sqrt{Var(x)}[/tex]

σ = [tex]\sqrt{120000}[/tex]

   = 346.41

The standard deviation of the monthly amount charged is 346.41

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It is possible to multiply or divide an equation by the same number on each side of the equation without changing the answer, according to the "multiplication property" of the equation.

How can you use the properties of operations to multiply linear expressions?

According to the equation's "multiplication property," it is possible to multiply or divide an equation by the same number on each side of the equation without changing the equation's outcome. The result of multiplying two terms with two different signs will be negative, while the product of two factors with the same sign will be positive. If a and b are positive integers and x is a variable, then (xa * xb) = x(m + n). The identity, commutative, associative, and distributive properties of multiplications are four properties that can facilitate the process. They offer guidelines for solving multiplication problems quickly using properties that always hold true for particular equations.

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