HELP!!

An unsharpened pencil is in the shape of a
hexagonal prism with base area of 54 mm²
and length of 20 cm. Find the volume in
cubic millimeters. (1 cm = 10 mm)

Answer:

102

Step-by-step explanation:

If the decimal is 4 and lower, you round down. 5 and higher, you round up. In this situation the decimal is a 3, therefore you will round to 102 instead of 103.

The solution to the initial value problem can be written in the form:

y(x) = (1/K)∫|sin(5x)|⁵ (3x³ - csc(5x)) dx

where K is a constant determined by the initial condition.

To solve the initial value problem and find the solution y(x), we can use the method of integrating factors.

Given: dy/dx + 5cot(5x)y = 3x³ - csc(5x), y = 0

Step 1: Recognize the linear first-order differential equation form

The given equation is in the form dy/dx + P(x)y = Q(x), where P(x) = 5cot(5x) and Q(x) = 3x³ - csc(5x).

Step 2: Determine the integrating factor

To find the integrating factor, we multiply the entire equation by the integrating factor, which is the exponential of the integral of P(x):

Integrating factor (IF) = e^{(∫ P(x) dx)}

In this case, P(x) = 5cot(5x), so we have:

IF = e^{(∫ 5cot(5x) dx)}

Step 3: Evaluate the integral in the integrating factor

∫ 5cot(5x) dx = 5∫cot(5x) dx = 5ln|sin(5x)| + C

Therefore, the integrating factor becomes:

IF = \(e^{(5ln|sin(5x)| + C)}\)

= \(e^C * e^{(5ln|sin(5x)|)}\)

= K|sin(5x)|⁵

where K =\(e^C\) is a constant.

Step 4: Multiply the original equation by the integrating factor

Multiplying the original equation by the integrating factor (K|sin(5x)|⁵), we have:

K|sin(5x)|⁵(dy/dx) + 5K|sin(5x)|⁵cot(5x)y = K|sin(5x)|⁵(3x³ - csc(5x))

Step 5: Simplify and integrate both sides

Using the product rule, the left side simplifies to:

(d/dx)(K|sin(5x)|⁵y) = K|sin(5x)|⁵(3x³ - csc(5x))

Integrating both sides with respect to x, we get:

∫(d/dx)(K|sin(5x)|⁵y) dx = ∫K|sin(5x)|⁵(3x³ - csc(5x)) dx

Integrating the left side:

K|sin(5x)|⁵y = ∫K|sin(5x)|⁵(3x³ - csc(5x)) dx

y = (1/K)∫|sin(5x)|⁵(3x³ - csc(5x)) dx

Step 6: Evaluate the integral

Evaluating the integral on the right side is a challenging task as it involves the integration of absolute values. The result will involve piecewise functions depending on the range of x. It is not possible to provide a simple explicit formula for y(x) in this case.

Therefore, the solution to the initial value problem can be written in the form: y(x) = (1/K)∫|sin(5x)|⁵(3x³ - csc(5x)) dx

where K is a constant determined by the initial condition.

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Dissatisfied customers are likely to share their negative experiences with an average of 9-15 people, but with the reach of social media, their impact can be significantly amplified, potentially influencing a wider audience and damaging a salesperson's reputation and sales.

When dissatisfied with a product or service, customers are more likely to share their negative experiences with others. The exact number of people they may tell can vary, but it's often cited that dissatisfied customers will share their negative experiences with an average of 9 to 15 other people.

This number can increase significantly in the age of social media, where dissatisfied customers have the ability to reach a much larger audience through online platforms and reviews. Therefore, it's crucial for salespeople to address customer concerns and ensure customer satisfaction to prevent negative word-of-mouth and potential damage to their reputation.

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Answer:

m=33

Step-by-step explanation:

To solve this, we need to get the variable, m, by itself. Perform the opposite of what is being done to the equation. Keep in mind everything done to one side, must be done to the other.

5m-3=4m+30

3 is being subtracted from 5m. The opposite of subtraction is addition, so add 3 to both sides.

5m-3+3=4m+30+3

5m=4m+33

4m is being added on to 33. The opposite of addition is subtraction, so subtract 4m from both sides.

5m-4m=4m-4m+33

5m-4m=33

m=33

Answer:

-0.1 unit

Step-by-step explanation:

To find out where Billy's bird ended up, we need to add up all the distances it traveled. In this case, the bird flew up 1.4 units, fell 5.2 units, and then rose 3.7 units, for a total of 1.4 + (-5.2) + 3.7 = -0.1 units relative to its starting point. This means that the bird ended up 0.1 units lower than its starting point.

Answer:

8/12, 11/16, 3/4, 4/8

Step-by-step explanation:

hope this helps

The probability that there is at least one pair of students having the same birthday in a classroom of 50 students is approximately 0.4113 or 41.13%.

To calculate the probability that there is at least one pair of students having the same birthday in a classroom of 50 students, we can use the concept of the Birthday Paradox.

The probability of no two students sharing the same birthday can be calculated as follows:

P(no shared birthday) = (365/365) * (364/365) * (363/365) * ... * (365 - (50 - 1))/365

Since there are 365 possible birthdays (ignoring leap years), the first student can have any birthday (365/365 probability). The second student must have a different birthday, which has a probability of (364/365). The third student must have a different birthday from the first two, with a probability of (363/365), and so on, until the 50th student.

Therefore, the probability of no shared birthday is:

P(no shared birthday) = (365/365) * (364/365) * (363/365) * ... * (365 - (50 - 1))/365

To find the probability that at least one pair of students shares the same birthday, we can subtract the probability of no shared birthday from 1:

P(at least one shared birthday) = 1 - P(no shared birthday)

Let's calculate this probability: P(no shared birthday) = (365/365) * (364/365) * (363/365) * ... * (365 - (50 - 1))/365

≈ 0.5887

P(at least one shared birthday) = 1 - P(no shared birthday)

= 1 - 0.5887

≈ 0.4113

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 There are 2 types of coordinate system. These are cartesian and polar coordinate system.

In mathematics, coordinate system refers to the specific reference plane along with two or more straight lines denoted by axis which are used to identify the point of location or any geometrical shapes in the space.

In a word. coordinate system is used to represent the graphical explanation of mathematical problem.

The coordinate system where the point of location is identified by a pair of numerical coordinates and two perpendicular lines are used as reference the lines. XY or XYZ coordinate system is called cartesian coordinate. As example any point P whose x y coordinate is (3,4) where 3 is put along the X axis and 4 is put along the Y axis.

The polar coordinate system is only applicable for two-dimensional plane. In this system the location of a particular point is identified by a distance with respect to a reference point and an angle from a reference direction.

The reference lines used here is called polar axis. As example a point P is identified by the polar system by (r,Ф) where r is the distance and Ф is the angle.

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Answer:

I think is

2

-2(x +20x-100)

Answer:

2 Gallons

Step-by-step explanation:

20.5ft x 16.4ft = 336.2

336.2 divided by 200= 168 gallons

Since you can not buy 1.68 gallons you will have to buy 2 galllons instead.

The figure consists of a rectangle and 2 right triangles, as shown in the diagram below

The areas of a rectangle and a triangle are given by the following formulas

In our case,

Thus,

The total area is 150mm^2

Answer:

D.The change is not a physical change because a new chemical is formed on the outside of the statue

Step-by-step explanation:

Edge 2020

Answer:

try 0.5

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

\(1/2 = .5\\\\\\a^2 = .5^2 = .5 * .5\\ = 0.25\\\\b^6 = 2^6 = 2*2*2*2*2*2 \\=64\\\\\\0.25 * 64 = 16\)

For the utility function U(x, y) = \((x^4)/(y^4)\), we can derive the indifference curve equations by setting the utility function equal to the given values U = 1, U = 2, and U = 3.

1. When U = 1:

  \((x^4)/(y^4) = 1\)

 \(x^4 = y^4\)

  Taking the fourth root of both sides, we get:

  x = y

2. When U = 2:

  \((x^4)/(y^4) = 2\)

  \(x^4 = 2y^4\)

  \(x = (2^(1/4)) * y\)

3. When U = 3:

  \((x^4)/(y^4) = 3\)

  \(x^4 = 3y^4\)

  \(x = (3^(1/4)) * y\)

The indifference curves for this utility function are shaped like a rectangular hyperbola, where the ratio of x to y remains constant along each curve.

(b) For the utility function U(x, y) = y - 2x, the indifference curves can be derived by setting the utility function equal to the given values U = 1, U = 2, and U = 3.

1. When U = 1:

  y - 2x = 1

  y = 2x + 1

2. When U = 2:

  y - 2x = 2

  y = 2x + 2

3. When U = 3:

  y - 2x = 3

  y = 2x + 3

The indifference curves for this utility function are straight lines with a slope of 2. They have a positive slope, indicating a positive marginal rate of substitution between x and y.

(c) Both utility functions satisfy completeness, transitivity, and monotonicity.

1. Completeness: The preferences are complete if, for any two bundles of goods, the consumer can compare and rank them. Both utility functions provide a ranking of bundles based on their utility values, indicating completeness.

2. Transitivity: Transitivity implies that if bundle A is preferred to bundle B, and bundle B is preferred to bundle C, then bundle A must be preferred to bundle C. Both utility functions satisfy this assumption.

3. Monotonicity: Monotonicity assumes that more is better. If a bundle has higher quantities of both goods compared to another bundle, it should be preferred. Both utility functions satisfy this assumption as well.

The violations of these assumptions would affect the shape and properties of the indifference curves. For example, if completeness is violated, there may be some bundles that cannot be compared or ranked, resulting in incomplete indifference curves.

If transitivity is violated, there may be cycles of preferences, leading to inconsistent indifference curves. If monotonicity is violated, the indifference curves may not have a consistent upward slope. However, in the case of the given utility functions, all assumptions are satisfied, allowing for well-defined indifference curves.

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The correct answer is D. f(x) = 11x - 4 and g(x) = (x + 4)/11

To determine which pair of functions are inverses of each other, we need to check if the composition of the functions results in the identity function, which is f(g(x)) = x and g(f(x)) = x.

Let's test each option:

Option A:

f(x) = x/2 + 15

g(x) = 12x - 15

f(g(x)) = (12x - 15)/2 + 15 = 6x - 7.5 + 15 = 6x + 7.5 ≠ x

g(f(x)) = 12(x/2 + 15) - 15 = 6x + 180 - 15 = 6x + 165 ≠ x

Option B:

f(x) = ∛3x

g(x) = (x/3)^3 = x^3/27

f(g(x)) = ∛3(x^3/27) = ∛(x^3/9) = x/∛9 ≠ x

g(f(x)) = (∛3x/3)^3 = (x/3)^3 = x^3/27 = x/27 ≠ x

Option C:

f(x) = 3/x - 10

g(x) = (x + 10)/3

f(g(x)) = 3/((x + 10)/3) - 10 = 9/(x + 10) - 10 = 9/(x + 10) - 10(x + 10)/(x + 10) = (9 - 10(x + 10))/(x + 10) ≠ x

g(f(x)) = (3/x - 10 + 10)/3 = 3/x ≠ x

Option D:

f(x) = 11x - 4

g(x) = (x + 4)/11

f(g(x)) = 11((x + 4)/11) - 4 = x + 4 - 4 = x ≠ x

g(f(x)) = ((11x - 4) + 4)/11 = 11x/11 = x

Based on the calculations, only Option D, where f(x) = 11x - 4 and g(x) = (x + 4)/11, satisfies the condition for being inverses of each other. Therefore, the correct answer is:

D. f(x) = 11x - 4 and g(x) = (x + 4)/11

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Answer:

$2.24 per Gallon

Step-by-step explanation:

36.96 divided by 16.5 is 2.24, then to check that multiple 2.24 by 16.5 and you get the total cost of 36.96. Hope this helps.

Answer:

ΔLNM is proved as isosceles triangle. Below for explanation.

Step-by-step explanation:

We know that:

Since AMBX is a square, AL must equal to BN because they are the extra lengths of the square. The lengths of the square are AM, MB, BX, XA.

This can tell us that the two sides of the triangle are equal. We also know that if 2 sides of a triangle are equal, it is classified as an isosceles triangle. Hence, ΔLNM is proved as an isosceles triangle.

Hoped this helped!

Answer:

ΔLNM is proved as isosceles triangle

Step-by-step explanation:

Answer:

L = 2.25 feet.

Step-by-step explanation:

My work is shown in the attached image! Let me know if there are any errors or if you have any questions. Best wishes.

The mean value theorem does not apply to functions that are not continuous on a closed interval [a, b], or not differentiable on an open interval (a, b).

The mean value theorem states that if a function f is continuous on the closed interval [a, b] and differentiable on the open interval (a, b), then there exists a point c in the interval (a, b) such that:

f'(c) = (f(b) - f(a)) / (b - a)

For example, the function f(x) = |x| is continuous everywhere, but it is not differentiable at x = 0. The interval [0, 1] does not satisfy the conditions for the mean value theorem to apply.

So, a possible function and interval for which the mean value theorem does not apply is f(x) = |x| on the interval [0, 1].

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The concept of hedonistic calculus is associated with utilitarianism and the philosophy of maximizing pleasure and minimizing pain. It is a method for calculating the overall happiness or utility of actions based on the intensity, duration, certainty, propinquity, fecundity, purity, and extent of pleasure or pain they produce.

Hedonistic calculus is a term coined by the philosopher Jeremy Bentham, who was a proponent of utilitarianism. Utilitarianism is an ethical theory that states that the right action is the one that maximizes overall happiness or utility for the greatest number of people. The goal of hedonistic calculus is to measure and compare the happiness or pleasure derived from different actions or situations.

According to Bentham, pleasure and pain are the only relevant factors in determining the moral value of an action. Hedonistic calculus involves quantifying these pleasures and pains in order to assess their overall impact. Bentham proposed seven criteria to evaluate the intensity, duration, certainty, propinquity (nearness in time), fecundity (likelihood of leading to more pleasure or pain), purity (absence of pain mixed with pleasure), and extent of the pleasure or pain produced by an action.

By assigning values to each of these criteria, hedonistic calculus aims to determine the net amount of happiness or utility generated by a particular action or decision. The idea is to maximize pleasure and minimize pain, with the ultimate goal of promoting the greatest happiness for the greatest number of individuals.

Overall, hedonistic calculus provides a systematic approach to assess and compare the consequences of actions based on their impact on pleasure and pain. It serves as a framework for utilitarians to make ethical judgments and decisions by considering the net balance of happiness produced by different choices.

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Answer:

42

Step-by-step explanation:

5²+3(2)+5+6

25+6+5+6

31+11

42

Hope it helps

Answer:

undefined

Step-by-step explanation:

We can find the slope using two points

m = (y2-y1)/(x2-x1)

   = ( 8-4)/(-10 - -10)

   = ( 8-4)/(-10 +10)

   = 4/0

Since we are dividing by zero, the slope is undefined

We are given v = ds/dt, v = 9.8t + 9, s(0) = 17. We need to find the position of a body moving along a coordinate line at time t.

Using the formula of velocity, we can integrate it with respect to t to find the position of the body at any time t. The formula for velocity is:v = ds/dt... (1) Integrating equation (1) with respect to t, we get's = ∫vdt + C ...(2)

Here, C is the constant of integration, and it is found using the given initial position. Given, s(0) = 17Substitute s = 17 and t = 0 in equation (2).17 = ∫(9.8t + 9)dt + C [∵ s(0) = 17]17 = 4.9t² + 9t + C

Therefore, C = 17 - 4.9t² - 9tOn substituting the value of C in equation (2), we get:s = ∫vdt + 17 - 4.9t² - 9t ...(3)Now, we can substitute the given velocity, v = 9.8t + 9, in equation (3).s = ∫(9.8t + 9)dt + 17 - 4.9t² - 9ts = 4.9t² + 9t + 17 - 4.9t² - 9ts = 9t + 17

Hence, the position of the body at time t is 9t + 17 units.

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Answer:

Step-by-step explanation:

Let s represent the speed of the bus.

From the information given, the bus needs to cover a distance of 240 km in less than 5 hours. The formula for calculating the speed of the bus, s is expressed as

Speed, s = distance covered by the bus/ time taken to cover the distance

Therefore,

Speed, s = 240/5 = 48 km/hr

A higher speed would ensure the bus covers the distance in less than 5 hours. Therefore, the inequality that represents the speed (s) of the bus would be

s ≥ 48

The t-value using the sample mean, sample standard deviation, sample size and the hypothesized mean of 40 pounds.

The calculated t-value is greater than the critical t-value, we would reject the null hypothesis in favor of the alternative hypothesis, concluding that the mean weight of blue catfish in the reservoir is indeed greater than 40 pounds.

To test the claim that the mean weight of blue catfish in the John H. Kerr Reservoir is greater than 40 pounds, we can set up the null and alternative hypotheses as follows:

Null Hypothesis (H0):

The mean weight of blue catfish in the John H. Kerr Reservoir is 40 pounds or less.

Alternative Hypothesis (Ha):

The mean weight of blue catfish in the John H. Kerr Reservoir is greater than 40 pounds.

In mathematical notation:

H0: μ ≤ 40

Ha: μ > 40

Here, μ represents the population mean weight of blue catfish in the reservoir.

By assuming that the average weight of blue catfish in the reservoir is not significantly different from 40 pounds or less, we set up the null hypothesis.

The alternative hypothesis suggests that the mean weight is greater than 40 pounds.

To test these hypotheses, we can perform a one-sample t-test on a sample of blue catfish weights collected from the reservoir.

We can then compare the calculated t-value with the critical t-value at a significance level of 0.05.

Conversely, if the calculated t-value is not greater than the critical t-value, we would fail to reject the null hypothesis and would not have sufficient evidence to conclude that the mean weight is greater than 40 pounds.

It's important to note that conducting the actual statistical analysis requires the collection of a representative sample of blue catfish weights from the John H. Kerr Reservoir and performing the necessary calculations using appropriate statistical software or tools.

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the number of sales by b must be 150 to make the same amount of salesman B.

What is Algebraic expression ?

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

given that :

Salesman A gets paid $300 a month plus $8 for every sale he makes :

let the no. of sales A made be : x

then, in order to make the same amount of salesman b we equate btoth the amount :

300 + 8x = 1500

8x = 1500-300

8x = 1200

x = 1200/8

x = 150

Therefore, the number of sales by A must be 150 to make the same amount of salesman b.

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To compare the values \(\(\frac{1}{3}\), \(\ln 1.5\)\), and \(\(\frac{5}{12}\)\), we can use the concept of areas. However, the provided sequence, 64, 112, 196, 343, does not give enough information to determine the common ratio.

(a) To compare the values \(\(\frac{1}{3}\), \(\ln 1.5\), and \(\frac{5}{12}\)\), we can utilize the concept of areas. We start by considering the area under the curve of the function \(\(y = \frac{1}{x}\) between \(x = 1\) and \(x = 1.5\)\). The area of this region represents \(\ln 1.5\). Similarly, we divide the area under the curve of \(\(y = \frac{1}{x}\) between \(x = 1\) and \(x = 2\)\) into three equal regions. The middle region represents \(\frac{1}{3}\), and the rightmost region represents \(\(\frac{5}{12}\)\). By comparing the areas visually or using calculus, we can confirm that \(\(\frac{1}{3} \ < \ \ln 1.5 \ < \ \frac{5}{12}\)\).

However, the second part of the question, regarding finding the common ratio in the sequence 64, 112, 196, 343, cannot be answered with the given information. A geometric sequence follows the pattern where each term is obtained by multiplying the previous term by a constant value called the common ratio. Without knowing the pattern or additional terms of the sequence, we cannot determine the common ratio. Therefore, we cannot provide a value rounded to the nearest hundredth for the common ratio in this sequence.

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