Find:
10% of 240

b) 60% of 150

C) 75% of 280​

Yes, it is True that The sensitivity range for an objective function coefficient (range of optimality) is the range of values over which the current optimal solution point (product mix) will remain optimal.

The sensitivity range for an objective function coefficient, also known as the range of optimality, is the range of values over which the current optimal solution (product mix) will remain optimal. This range represents the tolerance for changes in the objective function coefficients without causing the optimal solution to change.

The range of optimality is determined by analyzing the linear programming model and checking how changes in the objective function coefficients affect the optimal solution. If a change in an objective function coefficient falls within the sensitivity range, it means that the current optimal solution will still be optimal, even with the change. However, if the change falls outside the sensitivity range, it will cause the optimal solution to change.

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Expressions that are tested by the 'if' statement is called conditions.

A condition is an expression that evaluates to either 'True' or 'False', and it determines whether the code block within the 'if' statement is executed. The 'if' statement allows the program to make decisions and execute different codes based on whether the condition is 'true' or 'false'. For example, in Python, an 'if' statement might look like this:

if x > 10:

   print("x is greater than 10")

In this example, the condition being tested is 'x > 10', which will evaluate as 'True' or 'False' depending on the value of x. If the condition is 'True', then the code block within the 'if' statement (in this case, the print statement) will be executed. If the condition is 'False', then the code block within the 'if' statement will be skipped.

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Answer: 7/14

Step-by-step explanation:

The expression equal to 5¹/₃ is ∛5 (option B)

The definition of an expression in math is a statement composed of terms and operations. The terms may be constant (numbers), or variables with coefficients. The operations may be addition, subtraction, multiplication, or division.

Given is an expression, 5¹/₃,

Using indices rule,

b¹/ₐ = [tex]\sqrt[a]{b}[/tex]

Therefore,

5¹/₃, here b = 5, a = 3

Therefore,

5¹/₃ = ∛5

Hence, the expression equal to 5¹/₃ is ∛5 (option B)

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Answer:

Step-by-step explanation:

12

The equations that represent nonlinear functions include the following:

C. m(x) = 8^x

F. f(x) = 8x^2 + 8x.

In Mathematics, a linear function can be defined as a type of function whose equation is graphically represented by a straight line on the cartesian coordinate.

This ultimately implies that, a linear function has the same slope and it is typically used for uniquely mapping an input variable to an output variable, which both increases simultaneously.

In conclusion, m(x) = 8^x represents an exponential function while f(x) = 8x^2 + 8x represents a quadratic function.

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Answer:

it has 1 solution of 1/2 or decimal form of 0.5

Noel delivered an average of 500 yards of ribbon per day from Tuesday to Monday.

The central value represents the typical or average value of all the numbers in the set.

From Tuesday to Friday, Noel delivered 350 yards of ribbon per day, a total of 4 days. So, the total length of ribbon that he delivered during this period is

=> 4 * 350 = 1400 yards.

From Saturday to Monday, he delivered 700 yards of ribbon per day, a total of 3 days. So, the total length of ribbon that he delivered during this period is

=> 3 * 700 = 2100 yards.

To find the average length of ribbon that Noel delivered per day, we need to find the total length of ribbon he delivered in both periods and divide it by the total number of days.

The total length of ribbon he delivered in both periods is

=> 1400 + 2100 = 3500 yards.

The total number of days is

=> 4 + 3 = 7 days.

So, the average length of ribbon that Noel delivered per day is

=> 3500/7 = 500 yards.

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The system of equations that has a solution of approximately (1.8, –0.9) are: x+2y=0 and 6x-5y=15

An equation is a  mathematical statement that is made up of two expressions connected by an equal sign.  In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Here, we have,

we are given the following equations:

i) x-2y= 4

ii) 4x+5y= 8

iii) 6x-5y=15

iv) x+2y=0

Required:

Which system of equations has a solution of approximately (1.8, –0.9).

To find the approximate equations, substitute x and y for  1.8 and  -0.9 into all the equations respectively and check the resulting values

i) Substitute (1.8, -0.9) in x-2y= 4:

1.8 - 2(-0.9) = 4.

1.8 + 1.8 = 4.

3.6 ≠ 4.

ii) Substitute (1.8, -0.9) in 4x+5y= 8

4(1.8) + 5(-0.9) = 8

7.2 - 4.5 = 8.

2.7 ≠ 8.

iii) Substitute (1.8, -0.9) in 6x-5y=15

6(1.8) - 5(-0.9) = 15.

10.8 + 4.5 = 15

15.3 ≠ 15.

This equation has a solution that is close, therefore it is correct.

iv) Substitute (1.8, -0.9) in x+2y=0

1.8 + 2(-0.9) = 0.

1.8 - 1.8 = 0.

0 = 0.

x + 2 y = 0 has the exact value, therefore it is also correct.

The system of equations that has a solution of approximately (1.8, –0.9) are: x+2y=0 and 6x-5y=15

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The solution of the Equation is x=1  and y= -3.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

-3x + 7y = -18...........(1)

4x - 4y = 8.................(2)

Solving equation (1) and (2) we get

-12x + 28y = -72

12x - 12y = 24

____________

16y =  -48

y= -48/ 16

y = -3.

and, -3x + 7(-3) = -18

-3x = 3

x= -1

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The weight 60.5 kg is equal to approximately 133.38 pounds. This conversion was done using the formula 60.5 kg x 2.20462 lbs/kg = 133.37851 lbs.

We know that 1 kg is equivalent to 2.20462 pounds, which means that we can convert kilograms to pounds by multiplying the weight in kilograms by the conversion factor 2.20462.

So to convert 60.5 kg to pounds, we can use the following formula:

60.5 kg x 2.20462 lbs/kg = ? lbs

Multiplying 60.5 by 2.20462 gives us:

60.5 x 2.20462 = 133.37851

Therefore, 60.5 kg is equivalent to 133.37851 pounds.

Finally, we can round this result to two decimal places to get:

60.5 kg is approximately equal to 133.38 pounds.

So the final answer is that 60.5 kg is equivalent to approximately 133.38 lbs.

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Answer:

Division

7n=21

7n÷7=21÷7

n=3

Step-by-step explanation:

Answer:

the answer is 3

Step-by-step explanation:

7n=21

divide both sides by 7

n=3

The equation 6x + 14x - 9 = 4( 5x + 1 ) has no solution.

Given the equation in the question;

6x + 14x - 9 = 4( 5x + 1 )

To solve the equation, first apply distributive property to remove the parenthesis.

6x + 14x - 9 = 4( 5x + 1 )

6x + 14x - 9 = 4 × 5x + 4 × 1

Multiply 4 and 5x

6x + 14x - 9 = 20x + 4 × 1

Multiply 4 and 1

6x + 14x - 9 = 20x + 4

Next, collect and add like terms.

Subtarct 20x from both sides

6x + 14x - 20x - 9 = 20x - 20x + 4

6x + 14x - 20x - 9 =  4

Add 9 to both sides

6x + 14x - 20x - 9 + 9 =  4 + 9

6x + 14x - 20x =  4 + 9

20x - 20x =  4 + 9

20x - 20x =  13

0 = 13

Therefore, there is no solution to the equation.

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The following equations should be used to calculate the cylinder's surface area = SA = 2πr² + 2πrh. As a result, the suggested options do not include the correct approach.

Where h is the cylinder's height and r is the cylinder's radius.

The radius is equal to half of the diameter, or 1.6 feet, given that the diameter is 3.2 feet. And it stands 3.8 feet in height.

As a result, the following is the appropriate formula to get the cylinder's surface area:

SA is = 2.16 plus 2.16.3.8 square feet.

When we abbreviate the phrase, we get:

SA = 2.56 + 2.08 square feet

SA = 5.12 plus 12.16 square fee

SA = 17.28 square feet.

As a result, the suggested options do not include the correct approach.

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The surface area of the given cylinder is given by the equation:

    SA =  2π (1.6)² + 3.2π(3.8) square feet

What is meant by a cylinder?

One of the most fundamental curvilinear geometric shapes, a cylinder has historically been a three-dimensional solid. It is regarded as a prism with a circle as its base in basic geometry. One of the fundamental three-dimensional shapes in geometry is the cylinder, which has two distant, parallel circular bases. At a predetermined distance from the centre, a curved surface connects the two circular bases. The axis of the cylinder is the line segment connecting the centres of two circular bases. The height of the cylinder is defined as the distance between the two circular bases.

The surface area of the cylinder is the sum of the area of the curvilinear surface and the areas of the top and bottom circular bases.

Now the area of the curved surface  = 2πrh

Area of bases = πr² + πr² = 2πr²

where,

  r = radius of the cylinder

   h = height of the cylinder

Given,

 r = 3.2 / 2 = 1.6 feet

h = 3.8 feet

Substituting,

Surface area SA = 2πrh + 2πr² = 2π * 1.6 * 3.8 + 2π (1.6)²

                                                =  2π (1.6)² + 3.2π(3.8) square feet.

Therefore the surface area of the given cylinder is given by,

    SA =  2π (1.6)² + 3.2π(3.8) square feet.

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The value of m from the quadratic equation is m = -1/5 or m = 1

A quadratic equation is a second-order polynomial equation in a single variable x , ax² + bx + c=0. with a ≠ 0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.

The roots of the quadratic equations are

x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )

where ( b² - 4ac ) is the discriminant

when ( b² - 4ac ) is positive, we get two real solutions

when discriminant is zero we get just one real solution (both answers are the same)

when discriminant is negative we get a pair of complex solutions

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

x² + 4mx + 4m² - m - 1 = 0   be equation (1)

Now , sum of the roots of the equation = -b/a

where b = 4m and a = 1

So , so the sum of the roots = -4m

From the Vieta's formula , we get

-4m = ( -1 - 4m² + m ) / 1

On simplifying the equation , we get

5m² - 4m - 1 = 0

On factorizing the equation , we get

5m² - 5m + m - 1 = 0

5m ( m - 1 ) + 1 ( m - 1 ) = 0

Taking the common terms in the equation , we get

( 5m + 1 ) ( m - 1 ) = 0

when ( 5m + 1 ) = 0

Subtracting 1 and dividing by 5 on both sides , we get

m = -1/5

when ( m - 1 ) = 0

Adding 1 on both sides , we get

m = 1

So , the two values of m are

m = -1/5 and m = 1

Hence , the equation is solved

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The two zeros of the equation are -3,8.

The zeros of any equation lie on the x axis.On x axis y=0.The zeros can be found by substituting y=0 and finding the corresponding y values.

here, we have,

The given equation is :

f(x) = x² - 5x - 24

Comparing it with quadratic equation

y = ax^2+bx+c

We have a=1,b=-5,c=-24.

To find the zeros we substitute y=0.

x² - 5x - 24= 0

WE need to find two numbers which on multiplication will give us ac that is 1(-24)=-24.The same numbers on addition should give us b=-5.

The two numbers are -8 and 3.-8 times 3=-24 and -8+3=-5.

The factors of the equation are (x+8)(x-3)=0

making  both factors =0 we have:

x+8=0 and x-3=0

Solving for x

x=-8 and x=3.

Hence, The two zeros of the equation are -3,8.

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Eigenvalues and eigenvectors can be found using a calculator by solving the equation Ax = λx, where A is a matrix, x is the eigenvector, and λ is the eigenvalue.

To solve this equation, you first need to calculate the determinant of the matrix A, which is written as |A|. If the determinant is not equal to zero, then you can calculate the eigenvalue by dividing the trace of the matrix (the sum of the diagonal elements) by the number of rows or columns of the matrix. The eigenvalues can then be substituted into the equation to solve for the corresponding eigenvector. For example, for a 2x2 matrix A, the eigenvalues can be found by calculating |A| and then solving the equation λ^2 - (trace of A) * λ + |A| = 0. The eigenvectors can then be found by plugging the eigenvalues into the equation Ax = λx and solving for x.

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Answer: B: x ≥ -6

hope this helps

The statement, When two events are disjoint, they are also independent is false.

In a sample space, we can use probability laws to determine the probabilities of these events and how they relate to each other. Disjoint Events: Two events are non-overlapping or mutually exclusive if they have no common outcome. Mathematically, this can be written as, P(B ∩ A) = 0 --(1)

Independent Events: Events are independent when they do not "affect" the probability of another event occurring. Mathematically written as:

P(B/A) = P(B) P(A and B)

=> P(B ∩ A) = P(B) × P(A) --(2)

(1) ) and (2) events cannot be independent unless they overlap. That is, if events do not overlap, they are also dependent. Hence, disjoint events are not independent that means the above statement is false.

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The golden ratio of Fibonacci, also known as the divine proportion, golden mean, or golden section, is a mathematical constant that is approximately equal to 1.618033988749895.

It is represented by the Greek letter phi (φ) and is found by dividing a line into two parts so that the longer part divided by the smaller part is also equal to the whole length divided by the longer part.

In mathematical terms, the golden ratio is expressed as:

φ = (1 + √5) / 2

The golden ratio is closely related to the Fibonacci sequence, which is a series of numbers where each number is the sum of the two preceding ones, usually starting with 0 and 1. The ratio of consecutive numbers in the Fibonacci sequence converges to the golden ratio as the sequence progresses.

For example, the first few numbers in the Fibonacci sequence are:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...

As we divide each number by the one before it, we get closer and closer to the golden ratio:

1/1 = 1

2/1 = 2

3/2 = 1.5

5/3 = 1.666...

8/5 = 1.6

13/8 = 1.625

21/13 = 1.615...

34/21 = 1.619...

55/34 = 1.617...

89/55 = 1.618...

144/89 = 1.618...

As you can see, the ratio of consecutive numbers in the Fibonacci sequence approaches the golden ratio as the sequence progresses. This is why the golden ratio is often referred to as the golden ratio of Fibonacci.

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The formula for calculating percent recovery is

Percent recovery = (mass of purified compound obtained / mass of original compound) x 100

Percent recovery is an important parameter used in recrystallization to determine the efficiency of a purification process. It refers to the percentage of the original material that is recovered after the recrystallization process.

To calculate percent recovery, first, the mass of the original sample is measured before the recrystallization process. After the process is completed, the mass of the purified compound is measured, which is obtained from the recrystallization.

The mass of the purified compound is then divided by the mass of the original compound and multiplied by 100 to get the percent recovery. A high percent recovery indicates that the recrystallization process was successful in separating the target compound from the impurities, and the final product is relatively pure.

A low percent recovery may indicate that the recrystallization process was not efficient in separating the target compound from impurities, or that some of the target compound was lost during the process. Thus, percent recovery is a crucial parameter that determines the success of a recrystallization process.

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Complete question is:

How do you calculate percent recovery during recrystallization?

The quadratic function is y = 1/3(x + 2)^2 - 5

The parent function of a quadratic function is represented as

y = x^2

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

vertical shrink of 1/3, shifts left 2 and down 5.

This means that

y = a(x + h)^2 + k

Where

a = 1/3

h = 2

k = -5

So, we have

y = 1/3(x + 2)^2 - 5

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The constant of proportionality of the graph is 8.

Constant of proportionality is the constant value of the ratio between two proportional quantities.

Given that, a table, of price of the number of pack of biscuits,

We are asked to find the constant of proportionality or unit rate that defines the relationship,

Unit rate is a rate for one of something.

Here, let us consider the number of packets be x and price be y,

x and y are proportional, therefore,

y = kx, here k is the constant of proportionality,

Put y = 8 and x = 1

8 = k

Similarly, if we check for other values we will get 8

[graph is attached]

Hence, the constant of proportionality of the graph is 8.

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The appropriate values in the table will be:

Cost selling price

1. 1

2. 3

3. 5

From the information, the store sells a toy car for $1 less than twice what it costs to make the car.

It should be noted that the selling price when the cost price is $1 will be:

= (2 × $1) - $1

= $1

It should be noted that the selling price when the cost price is $2 will be:

= (2 × $2) - $1

= $3

It hould be noted that the selling price when the cost price is $3 will be:

= (2 × $3) - $1

= $5

The equation that shows the relationship will be:

Selling price = 2c - 1

The selling price when cost price is $4 will be:

=(2 × $4) - 1

= $7

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Answer:-8

Step-by-step explanation:

f(x)=-3x-2

f(2)=-3(2)-2

-6 - 2=

-8

Total cost to build the ramp is $1467.4. Santiago’s has over budget to build the ramp.

Area is the amount of space occupied by a two-dimensional figure. In other words, it is the quantity that measures the number of unit squares that cover the surface of a closed figure. The standard unit of area is square units which is generally represented as square inches, square feet, etc.

Here,

Area of 2 rectangles is

2(Length×Width)

= 2(20×12)

= 480 square feet

Area of small rectangle = 12×8.5

= 102 square feet

Area of 2 triangles = 1/2×Base×Height

= 1/2 ×20×8.5

= 85 square feet

Total area = 480+102+85

= 667 square feet

Total cost to build the ramp = 667×2.20

= $1467.4

Santiago’s total budget for the materials to build the ramp and the foam pit is $3,000.

Hence, Santiago’s has over budget to build the ramp.

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"Your question is incomplete, probably the complete question/missing part is:"

The material Santiago will use to build the ramp cost $2.20 per square foot. Find the total cost of materials for the ramp? All sides are; 21.7, 20, 12 for perimeter and 8.5 for the height.

Santiago’s total budget for the materials to build the ramp and the foam pit is 3,000. With his current design, will he be over budget or under budget, and by how much?