Can someone give me the answer an an explanation PLZZ

The ratio of the RHS to the coefficient of linear programming of x in the first row is 6/1 = 6. In the second row, the ratio is 4/-1 = -4, which is not valid. In the third row, the ratio is 8/2 = 4.

To maximize the expression p=6x+4y, we need to find the values of x and y that satisfy the given constraints and yield the maximum value of p.

We can start by graphing the system of inequalities:

x + 3y ≥ 6

-x + y ≤ 4

2x + y ≤ 8

x ≥ 0

y ≥ 0

This will give us a better understanding of the feasible region of solutions. However, due to the number of constraints and the complexity of their relationships, it might not be easy to graph it manually.

Therefore, we will use the Simplex algorithm, a common method for solving linear programming problems.

First, we will convert the inequalities into equations:

x + 3y + s1 = 6

-x + y + s2 = 4

2x + y + s3 = 8

Where s1, s2, and s3 are slack variables that we introduce to transform the inequalities into equations.

We can rewrite the problem as a maximization problem in standard form:

Maximize p = 6x + 4y + 0s1 + 0s2 + 0s3

Subject to:

x + 3y + s1 = 6

-x + y + s2 = 4

2x + y + s3 = 8

x, y, s1, s2, s3 ≥ 0

We can then create a tableau to solve the problem using the Simplex algorithm:

Copy code

x     y     s1     s2     s3    RHS

1 1 3 1 0 0 6

2 -1 1 0 1 0 4

3 2 1 0 0 1 8

Zj-Cj

0 0 0 0 0 0

The first row represents the coefficients of the first constraint, x + 3y + s1 = 6. The second row represents the coefficients of the second constraint, -x + y + s2 = 4. The third row represents the coefficients of the third constraint, 2x + y + s3 = 8.

The last row represents the coefficients of the objective function, p = 6x + 4y, with Zj-Cj indicating the difference between the coefficients of the objective function and the current basic feasible solution.

To solve the problem using the Simplex algorithm, we need to follow these steps:

Choose the most negative Zj-Cj coefficient.

Select the corresponding column as the entering variable.

Choose the row with the smallest non-negative ratio of RHS to the coefficient of the entering variable.

Select the corresponding row as the leaving variable.

Use row operations to update the tableau.

Repeat until all Zj-Cj coefficients are non-negative.

Using these steps, we can start with the entering variable x, which has the most negative Zj-Cj coefficient of -6.

The ratio of the RHS to the coefficient of linear programing of x in the first row is 6/1 = 6. In the second row, the ratio is 4/-1 = -4, which is not valid. In the third row, the ratio is 8/2 = 4.

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To maximize the function p=6x+4y subject to the given constraints, we need to graph the feasible region bounded by the inequalities x+3y≥6, −x+y≤4, 2x+y≤8, x≥0, and y≥0. The corner points of this region are (0,2), (2,2), and (4,0).

We then substitute each of these corner points into the objective function p=6x+4y and find that p=12 at (2,2) which is the maximum value of p. Therefore, the maximum value of p is 12 and it occurs at the point (2,2).
To maximize p=6x+4y, subject to the given constraints, follow these steps:

1. Identify the constraints: x+3y≥6, -x+y≤4, 2x+y≤8, x≥0, y≥0.
2. Rewrite the inequalities in slope-intercept form (y=mx+b): y≤(-1/3)x+2, y≥x-6, y≤-2x+8.
3. Graph the inequalities, shading the feasible region where all constraints are satisfied.
4. Identify the vertices of the feasible region: (0,2), (2,2), (3,2).
5. Evaluate p=6x+4y at each vertex: p(0,2)=8, p(2,2)=16, p(3,2)=22.
6. The maximum value of p is 22, which occurs at the point (3,2).

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Answer:

{1, 2, 3}

Step-by-step explanation:

As we know that n divided by 3 must have a remainder of either 1, 2, or 0 (none).

Thus, it is {1, 2, 0}

Or we can write F = {0, 1, 2}

I hope this helps you :)

Answer:its 5

Step-by-step explanation: cuz

Answer:

1, x> -4

2, True

\(3.n \leqslant 2\)

\(4. 3 \leqslant x\)

To solve this problem, we can use the standard normal distribution and the Z-score formula to find the probability that a pregnancy will last at least 300 days.

The Z-score is a measure of how many standard deviations a value is from the mean. We can use the Z-score to standardize a value, which means we can express it in terms of how many standard deviations it is from the mean of the distribution.

The Z-score formula is:

Z = (x - μ) / σ

Where x is the value we are standardizing, μ is the mean of the distribution, and σ is the standard deviation of the distribution.

To find the probability that a pregnancy will last at least 300 days, we can use the Z-score formula to standardize 300 days:

Z = (300 - 268) / 15 = 4

This means that 300 days is 4 standard deviations above the mean of 268 days.

To find the probability that a pregnancy will last at least 300 days, we can use a Z-table or a calculator to find the area under the standard normal curve that is greater than or equal to 4 standard deviations.

Using a calculator or a Z-table, we find that the probability that a pregnancy will last at least 300 days is approximately 0.0165, which corresponds to answer choice D: 0.0165.

Answer:

3/5 for 13

Step-by-step explanation:

add 2 to the numerator and the denominator

Answer:

Step-by-step explanation:

y = m(x-x_1)+y_1

y = -2(x-(-3))+4

y = -2(x+3)+4

y = -2x-6+4

y = -2x-2

-Hope this helps!

To find the measure of angle BOC, set the expressions for m∠AOD and m∠BOC equal and solve for x. Then substitute the value of x back into the expression for m∠BOC to find its measure, which is 30°.

To find the measure of angle BOC, we can set the expressions for m∠AOD and m∠BOC equal to each other and solve for x.

7x - 5 = 3x + 15

Subtract 3x from both sides: 4x - 5 = 15

Add 5 to both sides: 4x = 20

Divide both sides by 4: x = 5

Now that we know x = 5, we can substitute it back into the expression for m∠BOC to find its measure.

m∠BOC = (3x + 15)° = (3*5 + 15)° = 30°

Therefore, the measure of ∠BOC is 30°, which corresponds to option B.

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Answer:

t ≈ 2.61

Step-by-step explanation:

13.7t - 4.7 = 9.9 + 8.1t ( subtract 8.1t from both sides )

5.6t - 4.7 = 9.9 ( add 4.7 to both sides )

5.6t = 14.6 ( divide both sides by 5.6 )

t ≈ 2.61 ( to the nearest hundredth )

The value of P(0) and P(6) of The Polynomial Function above are 2 and 253/2 respectively.

Polynomial function refers to the algebraic expression that consists of several terms.

Polynomial function can be of different degrees, like linear polynomial (degree 1), quadratic polynomial (degree 2), cubic polynomial (degree 3), and so on.

The given polynomial function is P(w) = 6w² - 20w + 2.

To find P(6), substitute w = 6 in P(w).

Therefore,P(6) = 6(6)² - 20(6) + 2P(6) = 6(36) - 120 + 2P(6) = 216 - 120 + 2P(6) = 96

Adding P(6) = 349 to this equation, we get:2P(6) = 349 - 96 = 253

Therefore, P(6) = 253/2

Now, to find P(0), substitute w = 0 in P(w).

Therefore, P(0) = 6(0)² - 20(0) + 2 = 2

Therefore, P(0) = 2

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Answer:

$7.20

Hope I helped

Answer:

80miles=6days

14

14 ×6=84

84÷80=1.05

1.05 miles

Answers:

(2, -3) and (3, -3)

==================================================

Work Shown:

Since f(x) = -3, we'll replace f(x) with -3 and solve for x

f(x) = x^2 - 5x + 3

-3 = x^2 - 5x + 3 .... f(x) replaced with -3

0 = x^2 - 5x + 3 + 3 ... adding 3 to both sides

0 = x^2 - 5x + 6

x^2 - 5x + 6 = 0

(x - 3)(x - 2) = 0 .... factor; you can also apply the quadratic formula

x-3=0 or x-2=0

x = 3 or x = 2

So that explains where that '2' comes from when they listed (2, ?)

-------------

To find what replaces the question mark, we will plug x = 2 into the function

f(x) = x^2 - 5x + 3

f(2) = 2^2 - 5(2) + 3

f(2) = 4 - 10 + 3

f(2) = -3

We could have skipped this portion and said that the solution is (2,-3) but plugging x = 2 into the function to get the output y = -3 helps confirm that x = 2 is one of the x solutions.

-------------

Let's do the same for x = 3

f(x) = x^2 - 5x + 3

f(3) = 3^2 - 5(3) + 3

f(3) = 9 - 15 + 3

f(3) = -3

We end up with the same output, so x = 3 is confirmed as well.

The graph below visually helps reinforce these confirmations. Each solution  is an intersection between the two curves.

Answer:

cool

Step-by-step explanation:

I'm not sure I'm just getting points

P(A and B) = P(A) × P(B) is the formula used to assess if two events are independent (B).

P(A) is the chance that event A will occur.

The chance that event B will occur is marked as P(B).

If the chance of both occurrences happening at the same time, P (A and B), equals the product of the individual probabilities of each event, P(A) x P(B), the events are called independent.

If, on the other hand, the chance of both occurrences occurring simultaneously is less than the product of the individual probabilities of each event, the events are deemed dependent.

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The solution of each part of the question is given below:

a. Let C be the event that a person smokes cigars, and let S be the event that a person smokes cigarettes. The percentage of Americans who smoke either cigars, cigarettes, or both can be calculated as P(C U S), where U represents the union of two events. From the given information, P(C) = 15% and P(S) = 35%. The probability that a person smokes both cigars and cigarettes is 7%, so P(C ∩ S) = 7%.

P(C U S) = P(C) + P(S) - P(C ∩ S)

P(C U S) = 15% + 35% - 7% = 43%

So, 43% of Americans smoke either cigars, cigarettes, or both.

b. The percentage of Americans who smoke neither cigars nor cigarettes can be calculated as P(C' ∩ S'), where C' represents the complement of event C (not smoking cigars) and S' represents the complement of event S (not smoking cigarettes).

P(C' ∩ S') = 100% - P(C U S)

P(C' ∩ S') = 100% - 43% = 57%

So, 57% of Americans smoke neither cigars nor cigarettes.

c. The percentage of Americans who smoke cigars but not cigarettes can be calculated as P(C ∩ S').

P(C ∩ S') = P(C) - P(C ∩ S)

P(C ∩ S') = 15% - 7% = 8%

So, 8% of Americans smoke cigars but not cigarettes.

d. The conditional probability that a person smokes cigarettes given that he smokes cigars can be calculated as P(S | C), where S represents the event that a person smokes cigarettes and C represents the event that a person smokes cigars.

P(S | C) = P(S ∩ C) / P(C)

P(S | C) = 7% / 15% = 0.47

So, the conditional probability that a randomly selected person smokes cigarettes given that he smokes cigars is 0.47, or 47%.

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Answer:

15

Step-by-step explanation:

that is the answer

Answer: 23 degrees

Step-by-step explanation:

Assuming that 117 is the entire angle we can find that:

94+x = 117

Subtract 94 from both sides:

x = 117-94

x = 23 degrees

Answer:

x=

Step-by-step explanation:

There are 2 ways to do this.

4(3x-9)=63; 12x-36=63; 12x=99; x=8. Or: (3x-9)+(3x-9)+(3x-9)+(3x-9)=63; 12x-36=63; 12x=99; x=

Answer:

  C.  142°

Step-by-step explanation:

You want the angle between vectors u=3i+√3j and v=-2i-5j.

There are a number of ways the angle between the vectors can be found. For example, the dot-product relation can give you the cosine of the angle:

  u•v = |u|·|v|·cos(θ) . . . . . . where θ is the angle of interest

You can find the angles of the vectors individually, and subtract those:

  u = |u|∠α

  v = |v|∠β

  θ = α - β

When the vectors are expressed as complex numbers, the angle between them is the angle of their quotient:

  \(\dfrac{\vec{u}}{\vec{v}}=\dfrac{|\vec{u}|\angle\alpha}{|\vec{v}|\angle\beta}=\dfrac{|\vec{u}|}{|\vec{v}|}\angle(\alpha-\beta)=\dfrac{|\vec{u}|}{|\vec{v}|}\angle\theta\)

This method is used in the calculation shown in the first attachment. The angle between u and v is about 142°.

A graphing program can draw the vectors and measure the angle between them. This is shown in the second attachment.

__

Additional comment

The approach using the quotient of the vectors written as complex numbers is simply computed using a calculator with appropriate complex number functions. There doesn't seem to be any 3D equivalent.

The dot-product relation will work with 3D vectors as well as 2D vectors.

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Answer:

26.1

Step-by-step explanation:

Call the original number x.

He doubles it: 2x

Then he adds 8: 2x + 8

He gets: 60.2

2x + 8 = 60.2

2x = 52.2

x = 26.1

Answer:

26.1 is the answer

Step-by-step explanation:

So we will continue down ward:

So instead of adding 8 we will SUBTRACT 8

60.2 - 8 = 52.2

Then instead of doubling it ( multiply by 2 ) we will DIVIDE by 2

52.2 ÷ 2 = 26.1

Being the answer

26.1 being the answer

The shock in part (c) leads to a decrease in capital per worker and consumption per worker, potentially affecting the standard of living. In contrast, the shock in part (d) leads to an increase in output per effective worker, which can positively impact the standard of living.

(c) When the tax funds are assumed to be gone without any goods or services purchased or government employees paid, it implies that the tax revenue is completely removed from the economy. In this case, the impact on the steady state levels of capital per worker and consumption per worker would depend on the specific economic model and assumptions.

Generally, the removal of tax revenue would lead to a reduction in both capital per worker and consumption per worker. The exact magnitude of the impact would depend on various factors, such as the marginal propensity to consume and the saving behavior of individuals. In steady state, the reduction in capital per worker could lead to lower productivity and potentially lower output per worker, affecting the standard of living.

To sketch a diagram showing the impact of this shock, you would typically have the levels of capital per worker and consumption per worker on the y-axis and time or steady state on the x-axis. The diagram would show a downward shift in both the capital per worker and consumption per worker curves, indicating a decrease due to the removal of tax revenue.

(d) When the tax funds are used by the government to implement plans that increase the growth rate of labor-augmenting technological change to 3% per year, it implies that the tax revenue is directed towards productivity-enhancing investments or policies. In this case, the impact on the steady state levels of capital per effective worker, output per effective worker, and consumption per effective worker can be analyzed.

The increase in the growth rate of labor-augmenting technological change would lead to higher productivity and potentially higher output per effective worker in steady state. This increase in output per effective worker could also translate into higher consumption per effective worker, depending on the saving and consumption behavior.

To sketch a diagram showing the impact of this shock, you would typically have the levels of capital per effective worker, output per effective worker, and consumption per effective worker on the y-axis and time or steady state on the x-axis. The diagram would show an upward shift in the output per effective worker curve, indicating an increase due to the improved technological change.

Overall, the shock in part (c) leads to a decrease in capital per worker and consumption per worker, potentially affecting the standard of living. In contrast, the shock in part (d) leads to an increase in output per effective worker, which can positively impact the standard of living.

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The information given can be represented in the diagram below

From the rhombus above, E is the perpendicular bisector of the diagonals AC and BD.

Let BD = 32cm, AC = 60cm (given)

Using Pythagoras theorem,

Using Pythagoras theorem

The perimeter of the rhombus would be

Hence, the perimeter of the given rhombus is 136cm

The linear function that passes through (-8,4) and (4,5) will be y = (1/12)x + 14/3.

A straight line on the coordinate plane is represented by a linear function.

A linear function always has the same and constant slope.

The formula for a linear function is f(x) = ax + b, where a and b are real values.

A linear equation or function is given as ;

y = mx + b

The slope (m) associated with two points (x₁, y₁) and (x₂, y₂) is given by

Slope = (y₂ - y₁)/(x₂ - x₁)

The slope associated with (-8,4) and (4,5) will be as,

m = (5 - 4)/(4 + 8) = 1/12

Thus, y = (1/12)x + b

Put (4,5)

5 = (1/12)4 + b

b = 5 - 1/3

b = 14/3

Thus, y = (1/12)x + 14/3

Hence "The linear function that passes through (-8,4) and (4,5) will be y = (1/12)x + 14/3".

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The inverse of the function f(x) = 2x+1 is (x-1)/2.

The output of a function is returned by the inverse function, which also returns the initial value. Consider the inverse relationship between the functions f and g: f(g(x)) = g(f(x)) = x. The initial value is fetched via a function that is its inverse.

Given;

Function, f(x) = 2x + 1.

To find the inverse of the function:

First, let y = f(x)

That is,

y = 2x +1

Then, make x the subject of the equation

y = 2x + 1

To make x the subject of this equation:

First, subtract 1 from both sides

We get

y -1 = 2x

Now, divide both sides by 2.

x = (y-1)/2

Now, rewrite as f⁻¹(x) by replacing y by x.

That is,

f⁻¹(x)  =  (x-1)/2

Therefore, the inverse of the function f(x) is (x-1)/2.

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Statement                        |   Reason

AD = DC                           |   given

AB = CB                           |    given

BD = DB                           |   reflexive property

ABD = CDB                      |    side-side-side congruency theorem

Answer:

S = 3

S = 5

S = 7

S = 9

Step-by-step explanation:

t = 3s + 2

when t = 11

11 = 3s + 2

11 – 2 = 3s

9 = 3s

s = 3

t = 3s + 2

when t = 17

17 = 3s + 2

17 – 2 = 3s

15 = 3s

s = 5

t = 3s + 2

when t = 23

23 = 3s + 2

23 – 2 = 3s

21 = 3s

s = 7

t = 3s + 2

when t = 29

29 = 3s + 2

29 – 2 = 3s

27 = 3s

s = 9

I HOPE ALL THIS HELPS

RATE AS BRAINLIEST PLS

Answer:

See solutions below

Step-by-step explanation:

2) angle at the vertex is half that of its intercepted arc;

51 = 1/2(14x-38)

51*2 = 14x-38

102 = 14x-38

14x = 102 + 38

14x = 140

x = 140/10

x = 14

3) 9x+7 = 1/2(68)

9x + 7 = 34

9x = 34-7

9x = 27

x = 27/9

x = 3

4) 114 = 1/2(30-(8x-36+40))

114 = 1/2(360-8x+36-40)

114*2 = 356 - 8x

-8x = 228-356

-8x = -128

x = 128/8

x = 16

Answer:2

Step-by-step explanation:

51+14x-38=180

13+14x=180

14=167

X=12

Answer:

When we say that an allele is "fixed," it means that a particular allele has reached a frequency of 100% in a population.

Step-by-step explanation:

Alleles are different forms of a gene that occupy the same position on homologous chromosomes. In a population, different alleles can exist for a specific gene. However, through various evolutionary processes such as natural selection, genetic drift, or gene flow, one allele may become predominant and eventually fixate within the population.

The fixation of an allele can occur through different mechanisms. For example, if a beneficial allele provides a selective advantage to individuals carrying it, it is more likely to increase in frequency and eventually become fixed in the population. On the other hand, genetic drift, which is the random change in allele frequencies due to chance events, can also lead to the fixation of an allele, especially in small populations.

Once an allele is fixed in a population, it means that all future generations will inherit that allele, and no alternative alleles will be present at that particular gene locus.

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