Please help due soon

(i) To analyze the linear programming problem using the two-phase simplex method, we need to convert the problem into standard form by introducing slack variables. The problem can be expressed as:

Minimize z = x1 + x2

subject to:

3x1 + x2 + x3 = 1

7x1 + 3x2 - x4 = 4

x1, x2, x3, x4 ≥ 0

The two-phase simplex method involves two phases: the first phase identifies an initial feasible solution, and the second phase optimizes the objective function.

In this case, we start with the artificial variables x3 and x4. In the first phase, we maximize the sum of artificial variables while minimizing the objective function. After the first phase, we check if the optimal solution is feasible (i.e., if the value of the objective function is zero).

Once a feasible solution is obtained, we move to the second phase and proceed with the standard simplex method to optimize the objective function. The optimal solution will be obtained when all artificial variables are eliminated, and the objective function reaches its minimum value.

(ii) Yes, this problem can be solved using the dual simplex method. The dual simplex method is used to solve linear programming problems by analyzing the dual problem. However, to apply the dual simplex method, the problem must satisfy certain conditions, such as having a feasible solution and a bounded feasible region.

In this case, since the problem is a minimization problem and has a feasible solution, the dual simplex method can be applied. It involves analyzing the dual problem, constructing a dual tableau, and performing iterations to improve the objective function value.

By applying the dual simplex method, we can find the optimal solution and determine if any additional iterations are required to reach the minimum value of the objective function while satisfying the constraints.

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Answer:

x = all real values

y = all real values

Step-by-step explanation:

The domain is the input values

f(x) = 4x+52 which is a line

The input or x values can be any value so the domain is all real values of x

The range is the output values

f(x) = 4x+52 which is a line

The output or y values can be any value so the domain is all real values of y  

By the help of congruent , the measure of angle f g h is 64 degrees and the measure of angle e g d is (4 x + 8) degrees and the value of x is 14

Things that have precisely the same size and shape are said to be congruent. The shapes and sizes need to hold true regardless of how we flip, spin, or rotate the forms. Two triangles that are identical in size and shape are said to be congruent triangles. Even if we flip, turn, or rotate one of two congruent triangles, the other two remain congruent.Two triangles must have the same angles and, as a result, must be congruent if their sides are the same.The equal sides and angles may not be in the same location if there is a turn or flip, but they are still there.

The are congruent So,

4x+8=64

Solve for x

X=14

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The statement is false. A process chart is a graphical tool used to monitor processes in production and service industries. The average process performance and the upper and lower limits are calculated and displayed on an X-bar chart, which is a common process chart.

An \( \bar{X} \) chart is NOT used to track a process with binary outcome variables. The statement is false.

Explanation: A process chart is a graphical tool used to monitor processes in production and service industries. The average process performance and the upper and lower limits are calculated and displayed on an X-bar chart, which is a common process chart. The values for a variable can be collected and analyzed using process charts. An \( \bar{X} \) chart, commonly known as an x-bar chart, is used to monitor a process with continuous numerical data. A binary outcome variable, on the other hand, has only two possible outcomes (e.g., yes/no, pass/fail, etc.). As a result, binary data is unsuitable for an \( \bar{X} \) chart, which is only used to monitor continuous numerical data.

Variables are values that may be altered in a process, which can affect its results. Variables may be categorized as continuous or discrete, depending on whether they can be measured or counted. Discrete variables, such as the number of employees working on a task or the number of items produced in a process, are quantifiable and can be measured precisely. Continuous variables, such as the temperature, length, or weight, can take on any value over a range and are therefore less specific. The reasons for holding inventory include serving as a buffer against uncertainties, ensuring product availability and preventing stockouts, reducing lead times and transportation costs, taking advantage of discounts and bulk purchasing opportunities, and providing a hedge against inflation and price fluctuations.

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Answer:

$37.5

Step-by-step explanation:

$7.50=in one hr

$? =in five hr

since you can cross each other

Answer:

$7.50(1h.)

7.50×5=37.5

Given:

The equation of a circle is:

\(x^2+y^2-x-2y-\dfrac{11}{4}=0\)

To find:

The center of the circle and its radius.

Solution:

The standard form of a circle is:

\((x-h)^2+(y-k)^2=r^2\)          ...(i)

Where, (h,k) is center and r is the radius of the circle.

The given equation of the circle is:

\(x^2+y^2-x-2y-\dfrac{11}{4}=0\)

Write the given equation in standard form of a circle.

\((x^2-x)+(y^2-2y)-\dfrac{11}{4}=0\)

\(\left(x^2-x+\left(\dfrac{1}{2}\right)^2\right)+(y^2-2y+1^2)-\dfrac{11}{4}-\left(\dfrac{1}{2}\right)^2+1^2=0\)

\(\left(x-\dfrac{1}{2}\right)^2+(y-1)^2-\dfrac{11}{4}-\dfrac{1}{4}-1=0\)

\(\left(x-0.5\right)^2+(y-1)^2-\dfrac{12}{4}-1=0\)

On further simplification, we get

\(\left(x-0.5\right)^2+(y-1)^2-3-1=0\)

\(\left(x-0.5\right)^2+(y-1)^2-4=0\)

\(\left(x-0.5\right)^2+(y-1)^2=4\)

\(\left(x-0.5\right)^2+(y-1)^2=2^2\)            ...(ii)

On comparing (i) and (ii), we get

\(h=0.5,k=1,r=2\)

Therefore, the center of the circle is (0.5,1) and radius is 2 units.

Answer:

Step 1: Lets say 'x' is the total wage. Then we subtract 1/4 from the total wages.

=> 4x/4 - x/4

=> 3x/4 = Remaining Wages Left.

Step 2: Subtract 20% from 3x/4.

3x/4 - x/5 = Remaining Wages Left.                                 [20% = 20x/100 = x/5]

=> 11x/20 = Remaining Wages Left.

Step 3: Subtract 0.15x from his remaining wages left.

=> 11x/20 - 3x/20 = Remaining Wages Left.                     [0.15 = 15/100 = 3/20]

=> 8x/20 = Remaining Wages Left.

Step 4: Simplify

8x/20 = 2x/5 = 0.40x

=> Simon has saved 2x/5 of the wages.

Please give me brainliest :)

Answer:

Step-by-step explanation:

The total is 100% or 1.

Spent:

Left:

Answer:

First, find the multiplier  ( 100-18/100)

=0.82

364000*0.82

=298480 is the new value after the years

^answer:^

~10 cubic feet~

^step by step explanation:^

first, calculate the volume of the front “panel” of the shape. (5 cubic centimeters because 5 times 3 is 15 and 15 times 1/3 is 5. 5 times 2 is 10.

Answer:

By 2035 the town's population should be 20,532.

Answer:

28.27

Step-by-step explanation:

π x 6^2 x 90/360 = 28.27

Answer:

27\(\pi\)=84.78

Step-by-step explanation:

a=\(\pi\)r²

a=\(\pi\)6²

a=\(\pi\)36

1/4 of the circle is missing, so times the answer by 3/4.

\(\pi\)36x3/4=27\(\pi\)

27\(\pi\)=84.78

Answer:

A=1/2h(a+b)

1/2h(a+b)=A

h(a+b)=2A

h=2A/(a+b)

Option b

Answer:

I'm not sure I'm too lazy to do it lol

Step-by-step explanation:

The dimension of the base of the rectangular building is 340 x 135ft.

Perimeter of Rectangle:

The definition of perimeter of the rectangle is the total length or distance of its boundary on all sides.

The general formula to calculate the Perimeter of a rectangle is,

P = 2(l + w)

Where,

l represents the length of the rectangle

w represents the width of the rectangle.

Given,

The building in a city has a rectangular base. the length of the base measures 65ft less than three times the width.

The perimeter of this base is 910ft.

Now, we need to find the dimensions of the rectangular base.

According to the given details, the values of

L = 3W - 65

W = W

P = 910

Apply the values on the formula, then we get,

=> 910 = 2 * (L + W)

=> 910/2 = (L + W)

=> 455 = L + W

Apply the value of L,

=> 475 = 3W - 65 + W

=> 475 + 65 = 4W

=> 540 = 4W

=> 540/4 = W

=> W = 135

Apply the value of W as 135, in order to get the value of L,

=> L = 3*135 - 65

=> L = 405

=> L = 340

Therefore, the dimension of the rectangular base is 340 x 135 ft.

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Which pairing best represents the different models of the universe presented in lines 7-14 ? Option A: Big and Little

In a comprehension passage, some questions are given that follow the passage. The questions are to be answered by using the data given in the passage, even if it differs from real-life facts.

Now,

Hence, Option A is the most accurate, i.e., Which pairing best represents the different models of the universe presented in lines 7-14 ? Option A: Big and Little.

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Answer:

please see photo attached for detailed analysis.

Answer:

it would have took 15 years

Jackson should correctly phrase both the alternative hypothesis and the null hypothesis as follows:

b. )

p = 0.20 indicates a null result.

A different result: p ≠ 0.20

What exactly is null hypothesis?

A specific type of statistical hypothesis known as a null hypothesis claims that no statistical significance can be established in a given set of facts. One can assess the truthfulness of a hypothesis through the use of sample data in hypothesis testing. It is represented by the letter H0 and is also sometimes referred to as the "null."

The conjecture, also known as the null hypothesis, is a tool used in quantitative analysis to examine the validity of beliefs about markets, economies, and investment strategies.

A null hypothesis is a form of speculation that asserts that specific characteristics of a population or data collection method are not distinct from one another in statistics.

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If two angles are complementary, then they cannot be congruent. This statement is true. Complementary angles are two angles whose sum is 90°. They do not have to be equal in measure.

On the other hand, congruent angles are angles with equal measure.What are complementary angles?Two angles are said to be complementary when they add up to 90 degrees. This means that the sum of the measures of these angles is 90 degrees.

The measures of complementary angles need not be equal.What are congruent angles? Congruent angles are two or more angles with the same measure. In other words, they have the same angle measurement.

Hence, if two angles are congruent, it means they are exactly equal in measure. If two angles are complementary, they cannot be congruent.

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The value of m∠A + m∠B is 90°. The angles that add up to 180 degrees are referred to as supplementary angles.

Option C is correct.

Given a figure, we must determine the sum of the angles A and B. The angle that forms a linear pair with the sum of the angles A and B is 90 degrees. Since we are aware that the linear pair with a 90 degree angle is 90 degrees, the value of the sum of the angles A and B, m  A + m  B, is also 90 degrees.

There can be no more than three angles. Two angles whose measurements add up to exactly 180 degrees are referred to as supplementary angles. It is possible to have three angles that add up to 180 degrees each, such as 60 degrees, 30 degrees, and 90 degrees; however, these angles are not considered supplementary.

Question incomplete:

What is the value of m∠A + m∠B? If ∠ C = 56° and ∠D =124°

A. 180

B. 120

C. 90

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the answer is 8 square root of 2

Answer:

8√2

Step-by-step explanation:

4√2+7√2-3√2

11√2-3√2

8√2

SO option B is correct

Answer:

Equation 1 a=-8/3

Equation 2 b= -3

Step-by-step explanation:

Equation 1

5a+5=2a-3

5a-2a=-3-5

3a=-8

a=-8/3

Equation 2

-2b=16-10

-2b=6

b=6/-2

b=-3

The expression of "Twice the length (l) less three times the width (w)" in algebraic notation is 3w - 2l

From the question, we have the following parameters that can be used in our computation:

Twice the length (l) less three times the width (w)

Represent the length with l and the width with w

So the statement can be rewritten as follows:

Twice l less three times w

three times w is 3w

So, we have

Twice l less 3w

Twice l is 2l

So, we have

2l less 3w

less here means subtraction

So, we have the following

3w - 2l

Hence, the expression in algebraic notation is 3w - 2l

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إجابة:

3.8

شرح خطوة بخطوة:

\(1.3 - (-2.5)\)

\(=1.3+2.5\)

\(=3.8\)

Answer:

3.8

Step-by-step explanation:

negative by negative = positive.

1.3 + 2.5 = 3.8

The website which is cheaper for Caroline to buy the spice mix is French website.

Given data ,

Let's calculate the total cost for Caroline from both websites and determine which one is cheaper.

British website:

Price for 100 g = (£0.90 / 25 g) * 100 g = £3.60

Since the British website offers free delivery, the total cost remains £3.60.

French website:

Price for 100 g = (€1.20 / 50 g) * 100 g = €2.40

Delivery cost = €0.80

On simplifying the equation , we get

To convert the price and delivery cost to pounds, we'll use the conversion rate: €1 = £0.85.

Price in pounds = €2.40 * £0.85 = £2.04

Delivery cost in pounds = €0.80 * £0.85 = £0.68

Total cost = Price in pounds + Delivery cost = £2.04 + £0.68 = £2.72

Comparing the total costs:

British website: £3.60

French website: £2.72

Hence , Caroline would pay £2.72 for the spice mix from the cheaper website, which is the French website.

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The solution to the system of linear equations is the ordered pair that satisfies both equations in the system.

The system of linear equations can be solved by using one of the following methods: elimination, substitution, and graphing. In elimination, we can add or subtract equations to eliminate one of the variables.

In substitution, we can solve one equation for one variable and substitute it into the other equation. In graphing, we can plot the equations on the same coordinate plane and find their intersection point.
Once the solution is found, it can be checked by substituting the ordered pair into the original equations.

If the ordered pair satisfies both equations, then it is the correct solution.

If it does not satisfy one or both equations, then it is not a solution to the system of linear equations.

In conclusion, the solution to the system of linear equations is the ordered pair that satisfies both equations, and there are different methods to solve the system such as elimination, substitution, and graphing.

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5x + (x+6) + 3x

5x + x + 6 + 3x

Combine like terms

5x+ x + 3x + 6

9x +6

One is 9x +6

It can also be

(5x+x ) +3x+6

6x+6 +3x

Answer:

(f - g)(x) = f(x) - g(g) = (3x + 1) - (x2 - 6) = -x^2 + 3x + 7

Step-by-step explanation: