H(x)= x + 3; find h(6) evaluate function

Answers

Answer 1

Given the function below

\(H(x)=x+3\)

To find the value for h(6), substitute 6 for x in the equation above

i.e, replace x with 6 in the function.

\(\begin{gathered} H(x)=6+3 \\ =9 \end{gathered}\)

Hence the value for H(6) is 9


Related Questions

Select all that apply. Given: x = 5, y = 6, z = 8. Which of the following are false?
1. x == 5;
2. x < (y + 2);
3. z <= 4;
4. y > (z-x);
5. z >= (y+x)
6. y <= 6

a. 1 b. 2
c. 3 d. 4
e. 5 f. 6

Answers

The false statements are:

c. 3. z <= 4

d. 4. y > (z-x)

Statement 3 (z <= 4) is false because z is given as 8, which is greater than 4. Therefore, z is not less than or equal to 4.

Statement 4 (y > (z-x)) is false because when we substitute the given values, we get 6 > (8-5), which simplifies to 6 > 3. This is not true since 6 is not greater than 3.

The remaining statements are true:

Statement 1 (x == 5) is true because x is given as 5.

Statement 2 (x < (y + 2)) is true because when we substitute the given values, we get 5 < (6 + 2), which simplifies to 5 < 8.

Statement 5 (z >= (y+x)) is true because when we substitute the given values, we get 8 >= (6+5), which simplifies to 8 >= 11.

Statement 6 (y <= 6) is true because y is given as 6.

Therefore, the false statements are c. 3 and d. 4.

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Add.

(6x³ + 3x² − 2) + (x³ - 5x² − 3)

Express the answer in standard form. (Please and thank you)

Answers

Answer:

\(\\\sf7x^3 - 2x^2 - 5\)

Step-by-step explanation:

\(\\\sf(6x^3 + 3x^2 - 2) + (x^3 - 5x^2 - 3)\)

Remove parenthesis.

6x^3 + 3x^2 - 2 + x^3 - 5x^2 - 3

Rearrange:

6x^3 + x^3 + 3x^2 - 5x^2 - 2 - 3

Combine like terms to get:

7x^3 - 2x^2 - 5

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

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Hope this helps! :)

Answer:

7x³ - 2x² - 5

Step-by-step explanation:

(6x³ + 3x² - 2) + (x³ - 5x² - 3)

Remove the round brackets.

= 6x³ + 3x² - 2 + x³ - 5x² - 3

Put like terms together.

= 6x³ + x³ + 3x² - 5x² - 2 - 3

Do the operations.

= 7x³ - 2x² - 5

____________

hope this helps!

Complete the table. In the row with X as the input write the rule as an algebraic expression for the output then complete the last row of the table using the rule. Express the values in your answers as decimals

Complete the table. In the row with X as the input write the rule as an algebraic expression for the

Answers

The last two rows of the table should be completed as follows:

Input   Output

8       22.80

10      28.50

What is algebraic expression?

An algebraic expression is a mathematical phrase that contains numbers, variables, and operations. It is used to represent a single quantity or value, and can be written in terms of one or more variables.

The rule given is an algebraic expression, x, which is the input, multiplied by 2.85, which is the output. Using this information, we can determine the cost of 10 muffins.

To find the cost of 10 muffins, we can use the algebraic expression given. First, we will multiply 10, the number of muffins, by 2.85, the cost of one muffin. This gives us a total of 28.50. Therefore, the cost of 10 muffins is 28.50.

Using this same rule and process, we can also determine the cost of any number of muffins. For example, if we want to know the cost of 15 muffins, we can simply multiply 15 by 2.85, giving us a total of 42.75.

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A hollow cylinder, given some initial velocity, rolls up an incline to a height of 1. 0 m without slipping. If a hollow sphere of the same mass and radius is given the same initial velocity, how high does it roll up the incline?.

Answers

The height to which the hollow sphere rolls up the incline is the same as the height to which the hollow cylinder rolls up, which is 1.0 m in this case.

To determine the height to which the hollow sphere rolls up the incline, we can use the principle of conservation of energy. The initial kinetic energy of both the hollow cylinder and hollow sphere is the same since they have the same mass and initial velocity. This kinetic energy is converted into potential energy as they roll up the incline. The potential energy gained by an object of mass m and height h is given by the formula:

PE = mgh

Since both the hollow cylinder and hollow sphere have the same mass, we can compare their potential energies. Let's assume the potential energy gained by the hollow cylinder is PE_cylinder and the potential energy gained by the hollow sphere is PE_sphere.

PE_cylinder = mgh_cylinder  ... (1)

PE_sphere = mgh_sphere  ... (2)

Since the initial velocity and mass are the same for both objects, we can equate their potential energies:

PE_cylinder = PE_sphere

mgh_cylinder = mgh_sphere

h_cylinder = h_sphere

Therefore, the height to which the hollow sphere rolls up the incline is the same as the height to which the hollow cylinder rolls up, which is 1.0 m in this case.

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A regional transportation authority is interested in estimating the mean number of minutes working adults in the region spend commuting to work on a typical day. A random sample of working adults will be selected from each of three strata: urban, suburban, and rural. Selected individuals will be asked the number of minutes they spend commuting to work on a typical day. Why is stratification used in this situation?

A. To remove bias when estimating the proportion of working adults living in urban, suburban, and rural areas.B. To remove bias when estimating mean commuting time.C. To reduce bias when estimating mean commuting time.D. To decrease the variability in estimates of the proportion of working adults living in urban, suburban, and rural areas.E. To decrease the variability in estimates of the mean commuting time.

Answers

Answer:

To reduce bias when estimating mean commuting time

Step-by-step explanation:

Given that the selection of adults is based on the three strata found in the region; urban, suburban, and rural areas where the population and proportion of adults commuting to work is progressively decreasing, using a uniform number or sample size will not increase sample error as there are more commuters in the urban areas than in the suburban or rural areas, likewise, there are more commuters in the suburban area than in the rural areas, and as such the proportion of those sampled in the urban  areas should be more than those surveyed in the suburban while those surveyed in the suburban areas should be more than those surveyed in the rural areas to reduce bias when estimating the mean as there will be more general representation.

Vector v = <3, 1>. Describe how you would use a graphical method to add vector v to vector u (shown in the graph below). Then, write the resultant vector in component form.

Vector v = &lt;3, 1&gt;. Describe how you would use a graphical method to add vector v to vector u (shown

Answers

The component form of the resulting vector is <5, -4>

Vector:

Vector means the objects which have both, magnitude and direction. Magnitude defines the size of the vector. It is represented by a line with an arrow, where the length of the line is the magnitude of the vector and the arrow shows the direction.

Given,

Vector v = <3, 1>.

Here we need to find the value of u through the given graph and we have to perform the addition operation in order to find the component form of the resulting vector.

Here we have the value of vector v = <3,1>

While observing the graph we have identified as the value of vector u is,

x value = 2

y value = -5

So, the component from of vector u = <2, -5>

Now the addition of u + v is equal to,

=> u + v

=> <3,1> + <2, -5>

=> < (3 + 2) , (1 + (-5))>

=> < 5, -4>

Therefore, the component form of the resulting vector is <5, -4>.

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Answer:

Draw vector v in standard position. To add v to u, shift v 2 units to the right and 5 units down so its initial point coincides with the terminal point of u. Use a dotted line to depict the shifted vector v.

Now there are three sides of a parallelogram. To complete the parallelogram, draw a dotted line from the tip of vector v in the standard position to the tip of the shifted vector v.

Finally, draw the vector represented by the diagonal of the parallelogram with its initial point at the origin. The resultant vector, u + v, is this diagonal of the parallelogram in which the two vectors, u and v, are adjacent sides. The components of u + v are <5, -4>.

Step-by-step explanation:

Plato/Edmentum

The mode is the category with the ______ in the distribution.

Answers

The mode is the category with the highest frequency in the distribution.

In a dataset or distribution, the mode refers to the value or category that appears most frequently. It represents the peak or most common observation in the dataset. Unlike the mean and median, which are measures of central tendency, the mode focuses on the frequency or occurrence of specific values or categories.

For example, if we have a dataset of test scores: 85, 92, 78, 92, 77, 85, 90. In this case, the mode would be 92 since it appears twice, which is more frequently than any other value.

In categorical data, the mode refers to the category or group with the highest frequency or count. For example, if we have a dataset of favorite colors: red, blue, green, blue, blue, yellow, green. In this case, the mode would be blue since it appears more frequently than any other color.

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What is the answer for these this question

What is the answer for these this question

Answers

“X” is the independent valuable and “Y” is dependent.

Solve for x in the equation x2 + 4x-4=8.
O x = -6 or x = 2
X=-2+2/2
O x = -2 or x = 6
O x=2+2V5

Answers

\( {x}^{2} + 4x - 4 = 8 \\ = > {x}^{2} + 4x - 4 - 8 = 0 \\ = > {x}^{2} + 4x - 12 = 0 \\ = > {x}^{2} + 6x - 2x - 12 = 0 \\ = > x(x + 6) - 2(x + 6) = 0 \\ = > (x - 2)(x + 6) = 0 \\ = > x = 2 \: \: \: or \: \: \: x = - 6 \)

Answer:

x = -6 or x = 2

Hope you could get an idea from here.

Doubt clarification - use comment section.

Briefly explain why utilitarianism can be considered the most pervasive ethical system used in the war on terror. What are some problems with using utilitarian justifications?

Answers

utilitarianism is often used in the war on terror due to its focus on maximizing overall happiness and minimizing overall suffering. However, there are challenges in accurately predicting consequences, potential for moral relativism, and the risk of neglecting individual rights and justice. These problems highlight the need for careful consideration and ethical deliberation when applying utilitarian justifications in this context.

Utilitarianism can be considered the most pervasive ethical system used in the war on terror due to its focus on maximizing overall happiness and minimizing overall suffering. Utilitarianism holds that the moral worth of an action is determined by its consequences and the amount of happiness or utility it produces.

In the context of the war on terror, utilitarianism can be applied to justify actions that aim to prevent or minimize harm to the largest number of people. For example, utilitarian justifications may be used to support military interventions or the use of enhanced interrogation techniques, on the basis that these actions can potentially save more lives in the long run.

However, there are several problems with using utilitarian justifications in the war on terror. One major concern is the difficulty in accurately predicting the long-term consequences of actions. The potential for unintended negative consequences, such as increased radicalization or the erosion of civil liberties, makes it challenging to ensure that utilitarian actions will lead to the desired overall outcome.

Another problem is the potential for moral relativism. Utilitarianism focuses on maximizing overall happiness or utility, but there may be disagreements over what constitutes happiness or utility in different cultural or ideological contexts. This can lead to ethical dilemmas and conflicts of interest.

Furthermore, utilitarianism can sometimes neglect the importance of individual rights and justice. The utilitarian emphasis on the overall outcome can overshadow the rights and well-being of individual persons or groups, potentially leading to ethical concerns.

In summary, utilitarianism is often used in the war on terror due to its focus on maximizing overall happiness and minimizing overall suffering. However, there are challenges in accurately predicting consequences, potential for moral relativism, and the risk of neglecting individual rights and justice. These problems highlight the need for careful consideration and ethical deliberation when applying utilitarian justifications in this context.

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Which conversion factor should be used to convert an area from in? to cm², if 1 in = 2.54 cm? Click the answer you think is right. ? 2.54 cm 2.54 cm 6.45 cm 1 in 1 in 10 in? 2.54 cm 1 in 2.54 cm - 2.54 cm? 1 in 1 in? 2.54 cm, 2.54 cm _ 6.45 cm? 1 in 1 in 1 in? 1 in 1 in 1in? 2.54 cm 2.54 cm 6.45 cm? Do you know the answer?

Answers

To convert an area from inches to centimeters, conversion factor should be 15.24 square centimeters.

To convert an area from inches to centimeters, we use the conversion factor of 2.54 cm per inch.

This means that for every inch, there are 2.54 centimeters. In order to find the area in centimeters, we first need to find the area in inches, and then multiply it by 2.54.

To find the area, we use the formula
=> area = length x width.

Let's say the length of a rectangle is 2 inches and the width is 3 inches. The area of this rectangle would be 6 square inches

=> (2 x 3 = 6).

To convert this area to square centimeters, we multiply the area in inches by 2.54.

So,

=> 6 square inches x 2.54 = 15.24 square centimeters.

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solve the inequality 4x - 7 is more than or equal to 13

Answers

Answer:

np

Step-by-step explanation:

To solve the inequality 4x - 7 >= 13, we can follow these steps:Add 7 to both sides of the inequality:

4x - 7 + 7 >= 13 + 7Simplify the left side and right side:

4x >= 20Divide both sides by 4 (since we want to solve for x, not 4x):

4x/4 >= 20/4Simplify:

x >= 5Therefore, the solution to the inequality 4x - 7 >= 13 is x >= 5.

Election polling Gloria Chavez and Ronald Flynn are the candidates for mayor in a large city. We want to estimate the proportion p of all registered voters in the city who plan to vote for Chavez with 95% confidence and a margin of error no greater than 0.03. How large a random sample do we need? Show your work.

Answers

A random sample of approximately 1067 registered voters is needed to estimate the proportion of voters planning to vote for Chavez with 95% confidence and a margin of error no greater than 0.03.

To estimate the proportion p of all registered voters in the city who plan to vote for Chavez with 95% confidence and a

margin of error no greater than 0.03, we need to determine the sample size. We can use the following formula for

sample size calculation:

\(n = (Z^2 × p × (1-p)) / E^2\)
Where:
- n is the sample size
- Z is the Z-score (1.96 for 95% confidence)
- p is the estimated proportion of voters planning to vote for Chavez
- E is the margin of error (0.03 in this case)

Since we don't know the true proportion of voters planning to vote for Chavez, we can use the most conservative

estimate (p = 0.5) to ensure the required margin of error:

\(n = (1.96^2 × 0.5 × (1-0.5)) / 0.03^2\)
n = (3.8416 × 0.25) / 0.0009
n = 0.9604 / 0.0009
n ≈ 1067

Therefore, a random sample of approximately 1067 registered voters is needed to estimate the proportion of voters

planning to vote for Chavez with 95% confidence and a margin of error no greater than 0.03.

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julia needs to determine the distance at certain points across a lake. her crew and she are able to measure the distances shown on the diagram below. find how wide the lake is to the nearest tenth of a meter.

Answers

From law of cosine formula, the width of lake for which Julia wants to determine the distance at certain points across a lake is equals to the 4023.4 meters.

Law of cosine in triangle is used to determine the length of third side of triangle when two other sides and angle between them is known. Cosine formula is c² = a² + b² - 2ab cosC , where

a,b,c --> side lengths of triangleA,B,C --> angles between sides of triangle

Julia wants to determine the distance at certain points across a lake. See the above figure and reconigse the measurements. Here, the width of lake is represented by AB. There is formed a triangle ABC, with following details,

Length of side AC = 2.82 mi

Length of side BC = 3.86 mi

Measure of angle C = 40.3°

We have to determine value of AB. Using the law cosine formula, AB² = BC² + AC² - 2AC× BC cosC

=> AB² = 2.82² + 3.86² - 2×2.82×3.86 ×cos( 40.3°)

=> AB² = 7.9524 + 14.8696 - 21.7764 ×cos( 40.3°)

=> AB² = 22.852 - 16.603

=> AB ² = 6.2485

=> AB = 2.4996

Hence, required width is 2.5 miles. But we needs answer in meter then convert miles into meters, 1 mile = 1609.344 m

so, 2.5 miles = 2.5 × 1609.344 meters = 4023.36 m ~ 4023.4 meters.

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Complete question:

The above figure complete the question.

julia needs to determine the distance at certain points across a lake. her crew and she are able to measure the distances shown on the diagram below. find how wide the lake is to the nearest tenth of a meter.

julia needs to determine the distance at certain points across a lake. her crew and she are able to measure

Find the perimeter of the figure.
10 ft
+
11 ft

Find the perimeter of the figure.10 ft+11 ft

Answers

Answer:

answer is 40 cm

Step-by-step explanation:

length=10

perimeter=?

now',

using formula of perimeter=4l

=4×10

=40 cm

IF IT YOU HELP PLEASE MAKE ME BRAINLIST

Answer:

44ft

Step-by-step explanation:

perimeter=2l+2b =2×11+2×10 =22+20 =44fthence the perimeter of the figure is 44 ft. I hope this will help you..please mark my answer as BRAINLIEST if you liked it..

What is the angle between the vectors − 2i 3j k and i 2j − 4k?

Answers

The angle between the vectors can be found using the dot product. The formula is θ= |A| =√(x12 + y12 + z12) The angle between the vectors -2i + 3j + k and i + 2j - 4k is approximately 137.8 degrees.

v1 • v2 = (-2i + 3j + k) • (i + 2j - 4k)

= -2 - 6 + 1 = -7

|v1| = \(\sqrt{((-2)^2 + 3^2 + 1^2)}\)

=\(\sqrt{(4 + 9 + 1)}\)

=\(\sqrt{14}\)

|v2| = \(\sqrt{((1)^2 + 2^2 + (-4)^2)}\)

= \(\sqrt{(1 + 4 + 16) }\)

= (\(\sqrt{21}\)

θ= |A| (-7/\(\sqrt{14}\)\(\sqrt{21}\))

=  |A| (-7/21*14)

=  |A|(-7/294)

= 137.8 degrees

The angle between two vectors can be found using the dot product formula. This formula isθ= |A| =√(x12 + y12 + z12). In the case of the vectors -2i + 3j + k and i + 2j - 4k, this formula can be used to find the angle between them. The dot product of the two vectors is -2 - 6 + 1 = -7. The magnitude of the first vector, |v1|, can be found using the Pythagorean theorem, which is

\(\sqrt{((-2)^2 + 3^2 + 1^2)}\)

= \(\sqrt{(4 + 9 + 1)}\)

= \(\sqrt{14}\).

The magnitude of the second vector, |v2|, can be found using the Pythagorean theorem, which is

\(\sqrt{((1)^2 + 2^2 + (-4)^2)}\)

= \(\sqrt{(1 + 4 + 16)}\)

= \(\sqrt{21}\)

Once the dot product and magnitudes are known, the angle between the two vectors can be found using the formula .Therefore, the angle between the two vectors is approximately 137.8 degrees.

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what’s is the degree of the polynomial

Answers

Answer:

Step-by-step explanation:

Look at the highest x exponent value

Answer:

The degree of a polynomial is the highest power of the variable in that polynomial.

Step-by-step explanation:

In algebra, a polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication, and in which the variables are raised to non-negative integer powers. The degree of a polynomial is the highest power of the variable in the polynomial.

For example, the polynomial 3x^2 - 2x + 1 has a degree of 2 because the highest power of x is 2. The polynomial 4x^5 - 7x^3 + 2x^2 + 9 has a degree of 5 because the highest power of x is 5.

In general, to find the degree of a polynomial, you should look for the term with the highest power of the variable. If there are multiple terms with the same highest power, then the degree of the polynomial is that highest power.

Write the SLOPE INTERCEPT FORM of the equation of the line parallel to y=23x+19 through the point (6, 2). First to answer correctly gets brainliest!

Answers

Answer:

y = 23x - 136

Step-by-step explanation:

Since the lines are parallel, they have the same slope. So, the slope of the new line is 23 as well.

Now we have: y = 23x + b

plug in the points that are on this line (6,2) :

2 = 23 x 6 + b

2 = 138 +b

-136 = b

Line: y = 23x - 136

Carlos and Stephanie are jogging to the lake and back. Carlos is a runner with a steady pace, so the changes in his distance from the lake are constant. Stephanie starts and ends her run quickly, but she has a slower rate of change as she turns at the lake. Which graph best represents the distance of the two runners from the lake, D, in meters, over time, t, in minutes?

Carlos and Stephanie are jogging to the lake and back. Carlos is a runner with a steady pace, so the
Carlos and Stephanie are jogging to the lake and back. Carlos is a runner with a steady pace, so the
Carlos and Stephanie are jogging to the lake and back. Carlos is a runner with a steady pace, so the
Carlos and Stephanie are jogging to the lake and back. Carlos is a runner with a steady pace, so the

Answers

Graph C best represents the distance of the two runners from the lake, D, in meters, over time, t, in minutes.

What is the rate of change?

The rate of change is also called the slope. On a graph, the rate of change is the ratio of the change in the y-values to the change in the x-values between two data points.

As Carlos has a steady pace and his changes in distance from the lake are constant, his distance graph would be a straight line with a constant slope. On the other hand, Stephanie has a slower rate of change when she turns at the lake. Therefore, her distance graph would be a curve.

Since the graph should show the distance of the two runners from the lake over time, the X-axis should represent time (in minutes), and the Y-axis should represent the distance (in meters).

Based on the given information, the graph that best represents the distance of the two runners from the lake over time is:

Graph C:

In Graph C, the line represents Carlos's distance from the lake, and the curve represents Stephanie's distance from the lake.

The line is straight, indicating that Carlos's rate of change is constant, and the curve shows that Stephanie's rate of change is slower as she turns at the lake.

Hence, the graph C best represents the distance of the two runners from the lake, D, in meters, over time, t, in minutes.

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if his pay rate remains the same,how much will he earn after working 7 months

Answers

The money that the gym employee earns in 7 months will be; $9000.

What is the basic arithmetic operations?

The basic arithmetic operations are addition, subtraction, multiplication, and division.

The whole question is "A gym employee earns the same amount each month. After working for three months, he earned $4,500. If his pay rate remains the same, how much will he earn after working 7 months?"

The gym employee earns the same amount each month and after working for three months, he earned $4,500.

In this given problem, the amount that he earns monthly would be

= Total amount / Number of months

= $4500 / 3

= $1500

Thus He earns $1500 monthly.

The money that; the gym employee earns in 7 months would be:

= 7 × $1500

= $9000.

Hence, The money that the gym employee earns in 7 months will be; $9000.

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pls helpppp
Solve for x.

pls helpppp Solve for x.

Answers

Answer:

11

Step-by-step explanation:

9 (11) -4  or 9 time 11 =99 -4

95

a company that manufactures video cameras produces a basic model and a deluxe model. over the past year, 32% of the cameras sold have been of the basic model. of those buying the basic model, 40% purchase an extended warranty, whereas 49% of all deluxe purchasers do so. if you learn that a randomly selected purchaser has an extended warranty, how likely is it that he or she has a basic model?

Answers

The probability that a randomly selected purchaser with an extended warranty has a basic model camera is approximately 0.0354

Denote S= Event that a purchase bought a basic camera, then P(S)=0.32

Denote D= Event that a purchase bought a deluxe camera, then

S and D are mutually exclusive.

P(D)=1-P(S)=0.68

P(W/S)=0.4

P(W/D)=4.9

We need to calculate the probability that a randomly selected purchaser who bought an extended warranty has a basic model. By notations, this is equivalent to finding P(S/W).

P(S/W)=P(W/S)*P(S)/P(W)

Since S and D are disjoint and P(S)+P(D)=1,

P(W)=P(W∩S)+P(W∩D)

P(W)=[0.4*0.32]+[4.9*0.68]

=3.61

Hence, our required probability is: P(S/W)=P(W/S)*P(S)/P(W)

\(=\frac{0.4*0.32}{3.61}\\=0.0354\)

Hence, the probability that a randomly selected purchaser with an extended warranty has a basic model camera is approximately 0.0354

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f Tell whether the statement is true or false.
3) Let A = {6, 7, 8, 9, 10, 11), B = {8, 10, 12), C = {6, 7, 9, 11), D = {6, 11), and U = {6, 7, 8, 9, 10, 11, 12). ØD

A) True B) False​

Answers

Answer:

A true

Step-by-step explanation:

It is the correct answer i have read this

Which inequality is equivalent to 22 ≤x-9?
(A) 13sx
(B) 13zx
(C) 31sx
(D) 31zx

Answers

Answer:

31 ≤ x

Step-by-step explanation:

22 ≤ x - 9;

22 + 9 ≤ x - 9 + 9;

31 ≤ x

a bank auditor claims that credit card balances are normally distributed, with a mean of $2870 and a standard deviation of $900. a) what is the probability that a randomly selected credit card holder has a credit card balance less than $2500? b) you randomly select 25 credit card holders. what is the probability that their mean credit card balance is less than $2500? c) compare the probabilities from a) and b).

Answers

(a) -0.255 is the probability that a randomly selected credit card holder has a credit card balance less than $2500. (b) You randomly select 25 credit card holders. 0.0228 is the probability that their mean credit card balance is less than $2500.

Let us pull out the critical elements

Population: Normally distributed with mean of 2870

population standard deviation = 900 standard deviation of the sample mean (standard error) is 900 / √25. or 180

As population sigma is known, we do not have apply any corrections

P(xbar < $2500) = ?    

Since μ and σ are known (population mean and standard deviation) we can use a simple Z test.

Ztest = (2500-2870 )/ 180  or -370/180 = -2.055

As this is very close to -2 one can use the rule of thumb for probability within ± 2 sigma  being 95.44% to get a close estimate.   If the area between -2 and 2 sigma = .9544 then the area outside = .0456.  Half of this (the amount under the curve LESS THAN -2) would be .0228

Using a calculator or computer for an exact answer we find (using a TI-83/86):

nmcdf(-9E6,2500,2870,180) = .0199

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A spure has an area of 625m2.Find its Perimeter

Answers

The perimeter of the square is 100 metres.

How to find the perimeter of a square?

A square is a quadrilateral with 4 sides equal to each other. The sides of a square are equal to each other.

Therefore, the area of the square is 625 metres square. Let's find the perimeter of the square.

area of a square = l²

where

l = side length

Therefore,

area of the square = l²

l² = 625

l = √625

l = 25 metres

Perimeter of the square = 4l

where

l = side length

Perimeter of the square = 4 × 25

Perimeter of the square = 100 metres

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Find a unit vector u that is orthogonal to a and b where u= a=6i-7j+9k and b=5i +3j - 7k

Answers

The unit vector u orthogonal to vectors a and b is:

u ≈ (-0.395i + 0.452j + 0.275k)

To find a unit vector orthogonal to vectors a and b, we can use the cross product. The cross product of two vectors will give us a vector that is orthogonal (perpendicular) to both of them.

Given vector a = 6i - 7j + 9k and vector b = 5i + 3j - 7k, we can calculate the cross product as follows:

a x b = (ay × bz - az ×by)i - (ax × bz - az × bx)j + (ax ×by - ay × bx)k

Let's calculate the cross product:

ax = 6, ay = -7, az = 9

bx = 5, by = 3, bz = -7

a x b = ((-7) ×(-7) - 9 ×3)i - (6 × (-7) - 9 × 5)j + (6 × 3 - (-7)× 5)k

= (-49 - 27)i - (-42 - 45)j + (18 + 35)k

= -76i + 87j + 53k

Now, we have the vector -76i + 87j + 53k, which is orthogonal to both vectors a and b. To obtain a unit vector, we need to divide this vector by its magnitude.

The magnitude of -76i + 87j + 53k is given by:

|u| = √((-76)² + 87² + 53²)

= √(5776 + 7569 + 2809)

= √(16154)

Therefore, the unit vector u orthogonal to vectors a and b is:

u = (-76i + 87j + 53k) /√(16154)

Simplifying, we get:

u ≈ (-0.395i + 0.452j + 0.275k)

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The Platinum Rule test is a good way of judging if distributive justice is taking place Select one True O False

Answers

The Platinum Rule test is a good way of judging if distributive justice is taking place is true.

Distributive justice is the idea that people should be treated equally and that goods, opportunities, and resources should be distributed fairly among all members of society. The Platinum Rule test is one way to evaluate whether or not distributive justice is being practiced. In order to understand the Platinum Rule, it is important to first understand the Golden Rule, which states, "Do unto others as you would have them do unto you." The Platinum Rule takes the Golden Rule a step further by recognizing that people may have different needs, preferences, and desires.

The Platinum Rule states, "Do unto others as they would have you do unto them." This means that instead of treating others the way you would want to be treated, you should treat them the way they want to be treated. The Platinum Rule test can be used to evaluate whether or not distributive justice is being practiced by asking the question, "Are people being treated in the way they want to be treated?" If the answer is yes, then distributive justice is likely being practiced. However, if the answer is no, then there may be a problem with the way goods, opportunities, and resources are being distributed.

Overall, the Platinum Rule test is a useful tool for evaluating whether or not distributive justice is taking place.

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solve the logarithmic equation 2log4-log3+2logx-4=0.

Answers

The logarithmic equation 2log4 - log3 + 2logx - 4 = 0 can be solved by rewriting the equation using logarithmic properties and then solving for x. The exact value of x depends on the logarithmic base used.

To solve the logarithmic equation 2log4 - log3 + 2logx - 4 = 0, we can start by applying logarithmic properties. Using the properties

log(a) - log(b) = log(a/b) and log(a^b) = b log(a), we can rewrite the equation as log(4^2) - log(3) + log(x^2) - log(10,000) = 0.

Simplifying further, we have 2 log(16) - log(3) + 2 log(x) - 4 = 0.

Next, we can combine the logarithmic terms using the property

log(a) + log(b) = log(a * b). This gives us log(16^2 * x^2 / 3) - 4 = 0. Simplifying the logarithm, we have log(256x^2/3) - 4 = 0.

To isolate the logarithm, we can apply the property a = b implies 10^a = 10^b. In this case,

10^(log(256x^2/3) - 4) = 10^0. This simplifies to 256x^2/3 = 10^4.

Finally, we solve for x by rearranging the equation. Multiplying both sides by 3/256, we get x^2 = (3/256) * 10^4. Taking the square root of both sides, we have x = ±√(3/256) * 10^2. Thus, the exact value of x depends on the logarithmic base used, but this provides the general form of the solution.

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Binding constraints have
surplus resources.
zero slack.
negative slack
positive slack

Answers

Binding constraints directly influence the optimal solution in a linear Programming problem, whereas constraints with positive slack are non-binding and do not directly impact the solution.

binding constraints and positive slack in the context of linear programming. In a linear programming problem, we aim to find the optimal solution for an objective function, given a set of constraints. The terms "binding constraints" and "positive slack" are related to these constraints.

1. Binding constraints: These are constraints that directly impact the optimal solution of the problem. In other words, they "bind" the feasible region (the area where all the constraints are satisfied) and affect the maximum or minimum value of the objective function. Binding constraints are active constraints, as they influence the final solution.

2. Positive slack: Slack is the difference between the left-hand side and right-hand side of a constraint when the constraint is satisfied. If this difference is positive, it means that there is some "extra" or "unused" resource in that constraint. Positive slack indicates that the constraint is non-binding, meaning it does not directly impact the optimal solution. It shows that there is some room for the constraint to be further tightened without affecting the final outcome.

In summary, binding constraints directly influence the optimal solution in a linear programming problem, whereas constraints with positive slack are non-binding and do not directly impact the solution. Knowing the difference between these terms can help you better understand and analyze linear programming problems.

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