Find the area between: y = 3/x, y = 12x, y = 1/12x, x > 0

Answers

Answer 1

The area between the three curves is approximately 1.175 square units.

What is area?

By counting the number of squares on a piece of paper with grids (square shaped), and using basic formulas, it is possible to determine the area of shapes like quadrilaterals and circles, which are 2D shapes.

To find the area between the curves, we first need to determine the points of intersection.

Setting the first two equations equal to each other gives:

3/x = 12x

x² = 1/4

x = 1/2

Substituting x = 1/2 into either of the equations gives y = 6, so the first two curves intersect at (1/2, 6).

Setting the second and third equations equal to each other gives:

12x = 1/12x

x² = 1/144

x = 1/12

Substituting x = 1/12 into either of the equations gives y = 1, so the second and third curves intersect at (1/12, 1).

Thus, we can see that the region bounded by the curves is composed of two parts, which we can find separately and then add together.

First, we find the area between y = 3/x and y = 12x, which is bounded by x = 1/12 and x = 1/2. To find the area, we integrate the difference between the two functions with respect to x:

A1 = ∫(1/12 to 1/2) (12x - 3/x) dx

= [6x² - 3ln(x)] from x = 1/12 to x = 1/2

= [3/8 - 3ln(1/12)] - [1/144 - 3ln(1/2)]

= 3/8 + 3ln(12) - 1/144

Next, we find the area between y = 12x and y = 1/12x, which is bounded by x = 1/12 and x = 1/2. To find the area, we integrate the difference between the two functions with respect to x:

A2 = ∫(1/12 to 1/2) (3/x - 1/12x) dx

= [3ln(x) - (1/24)x²] from x = 1/12 to x = 1/2

= [3ln(1/2) - (1/4)(1/12)²] - [3ln(1/12) - (1/4)(1/2)²]

= 3ln(2) - 1/144 - 3ln(12) + 1/16

= 3ln(2) - 3ln(12) + 1/16 - 1/144

Now, we can find the total area by adding the two areas:

A = A1 + A2

= 3/8 + 3ln(12) - 1/144 + 3ln(2) - 3ln(12) + 1/16 - 1/144

= 1/16 + 3ln(2)

Therefore, the area between the three curves is approximately 1.175 square units.

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Related Questions

x = 7
To isolate x, always do the opposite of the number next to it. x - 5 = 2
The opposite of "- 5" is "+ 5," so we +5 to both sides
x - 5 + 5 = 2 + 5
x = 7

Answers

The solution to the equation x - 5 = 2 is x = 7.

What is equation?

A statement that affirms the equivalence of two expressions joined by the equals symbol "=" is known as an equation.

Yes, your steps are correct. Here's the solution to the equation:

x - 5 = 2

To isolate x, we add 5 to both sides of the equation:

x - 5 + 5 = 2 + 5

Simplifying both sides of the equation, we get:

x = 7

Therefore, the solution to the equation x - 5 = 2 is x = 7.

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The complete question is:

Solve the equation to isolate the variable x: x - 5 = 2

the streets of millston are laid out like a grid with each square block being the same size the distance from a movie theather to a resturant is 1/2 mile along cabot street. if there are excatly 4 blocks between the two locations how long is each block

Answers

Answer:

Step-by-step explanation:

28

the following list shows the number of video games sold at a game store each day for one week. 15, 43, 50, 39, 22, 16, 20 which of the following is the best classification of the data in the list? responses categorical and continuous categorical and continuous quantitative and continuous quantitative and continuous categorical and discrete categorical and discrete quantitative and discrete quantitative and discrete neither categorical nor quantitative, and neither discrete nor continuous

Answers

The best classification of the data in the list is quantitative and discrete.

Quantitative data refers to information that can be measured and expressed numerically. This type of data can be further classified as either continuous or discrete. Continuous data can take on any value within a certain range, while discrete data can only take on specific values.

Discrete data is a type of quantitative data that can only take on certain values. These values are typically integers or whole numbers, and there are no values in between. For example, the number of children in a family is discrete data, as it can only take on whole number values (1, 2, 3, etc.).

In summary, discrete data is a type of quantitative data that is characterized by its ability to only take on specific values, with no values in between.

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Let f(x)=sqrt(x). If the rate of change of f at x=c is twice the rate of change at x=1, then c=

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If the rate of change of f at x=c is twice the rate of change at x=1, then c=4.

What is derivatives?

In calculus, the derivative is a mathematical concept that measures how a function changes as its input changes.

We can start by finding the derivative of f(x) using the power rule:

f'(x) = [tex](1/2)x^{(1/2)}[/tex]

Then, we can find the rate of change of f at x=c by evaluating f'(c). Similarly, we can find the rate of change of f at x=1 by evaluating f'(1). We know from the problem that the rate of change at x=c is twice the rate of change at x=1, so we can write:

f'(c) = 2*f'(1)

Substituting the expressions for f'(c) and f'(1), we get:

[tex](1/2)c^{(-1/2)}[/tex] = 2*(1/2)*[tex](1)^{(-1/2)}[/tex]

Simplifying the right-hand side, we get:

[tex](1/2)c^{(-1/2)}[/tex] = 1

Multiplying both sides by 2 and taking the reciprocal, we get:

[tex]c^{(1/2)}[/tex] = 2

Squaring both sides, we get:

c = 4

Therefore, c = 4.

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Find a linear homogeneous constant-coefficient differential equation with the general solutiony(x) = C1e^(8x) + C2cos(5x) + C2sin(5x)that has form y''' + ay'' + by' + cy = 0

Answers

The differential equation that has the given general solution is y''' - 13y'' + 74y' - 145y = 0.

To find this, we use the fact that [tex]e^{8x[/tex] is a solution to y'' - 8y' + 16y = 0 (since its characteristic equation is r² - 8r + 16 = (r - 4)² = 0), and that cos(5x) and sin(5x) are solutions to y'' + 25y = 0 (since their characteristic equation is r² + 25 = 0).

So, we can start with the general form y''' + ay'' + by' + cy = 0 and try to find coefficients a, b, and c that make the general solution y(x) = C₁[tex]e^{8x[/tex] + C₂cos(5x) + C₂sin(5x) a solution to the differential equation. We can do this by differentiating y(x) three times and plugging in to the differential equation, and then equating the coefficients of each term (since the differential equation is linear). After some algebraic manipulation, we can solve for a, b, and c and get the desired differential equation.

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Life on Other Planets Forty-six percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 120 randomly selected individuals and found 48 believed that there is life on other planets. At a = 0.10, is there sufficient evidence to conclude that the percentage differs from 48? Source: American Health, Inc.

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According to the given information, 46% of people believe that there is life on other planets. A scientist, who disagrees with this finding, conducted a survey of 120 randomly selected individuals and found that 48 of them believed in life on other planets. To determine if there is sufficient evidence to conclude that the percentage differs from 48 at a significance level (α) of 0.10, a hypothesis test is needed.

The null hypothesis (H0) states that the percentage is equal to 48%, while the alternative hypothesis (H1) states that the percentage differs from 48%. In this case, the sample proportion (p) is 48/120 = 0.4, and the hypothesized proportion (p0) is 0.48.

To perform the hypothesis test, we need to calculate the test statistic (z) and compare it to the critical values. The test statistic can be calculated using the formula z = (p - p0) / √(p0 * (1 - p0) / n), where n is the sample size. After calculating the test statistic, we compare it to the critical values corresponding to α = 0.10.

If the test statistic falls within the critical region, we reject the null hypothesis and conclude that there is sufficient evidence to claim that the percentage differs from 48%. If it falls outside the critical region, we fail to reject the null hypothesis and cannot conclude that the percentage differs from 48% based on this sample.

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15) Which example best shows a labor issue related to wages?

Question 15 options:

An employer is accused of failing to pay covered employees at a rate that meets the requirements of national and state laws.


An employee is accused of making repeated, unwanted comments based on an employee's age and religion.


A manager refused to allow a woman who had just given birth the time off required by law.


A company is accused of refusing to hire a highly qualified applicant based on his disability and age.

Answers

The "example" which best shows the "labor-issue" related to the wages is (a) Employer is accused of failing to pay "covered-employees" at a rate that meets the requirements of national and state laws.

The "Labor-Issue" involves the payment of wages and compliance with wage laws, which includes minimum wage requirements, overtime pay, and other wage-related regulations.

The Failing to pay the employees at the promised rate that meets the legal requirements can lead to legal and financial consequences for the employer, and may result in a dispute or conflict between the employer and employees.

Therefore, the correct option is (a).

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The given question is incomplete, the complete question is

Which example best shows a labor issue related to wages?

(a) An employer is accused of failing to pay covered employees at a rate that meets the requirements of national and state laws.

(b) An employee is accused of making repeated, unwanted comments based on an employee's age and religion.

(c) A manager refused to allow a woman who had just given birth the time off required by law.

(d) A company is accused of refusing to hire a highly qualified applicant based on his disability and age.

you have a cup with 19 coins inside. the total inside the cup is 1.30. determine how many nickels and dimes are inside the cup

Answers

There are 12 nickels and 7 dimes in the cup.

What is equation?

An equation can be described mathematically as a statement that supports the equality of two expressions joined by the equals sign "=".

Let x be the number of nickels and y be the number of dimes in the cup.

We know that:

x + y = 19 (the total number of coins)

0.05x + 0.10y = 1.30 (the total value of coins in dollars)

We can use the first equation to express y in terms of x:

y = 19 - x

Substituting this into the second equation, we get:

0.05x + 0.10(19 - x) = 1.30

0.05x + 1.90 - 0.10x = 1.30

-0.05x = -0.60

x = 12

Therefore, there are 12 nickels and 7 dimes in the cup.

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Find the volume of the hemisphere. Round to the nearest tenth.
6.7 ft
cubic feet

Answers

Answer:

78.7 cubic feet

Step-by-step explanation:

Remember that a hemisphere is half of a sphere, so finding the volume of a hemisphere is really just finding half of the volume of a sphere.

Volume of sphere = (4 * π / 3) * r ^ 3 , where r = diameter / 2.

So, volume of hemisphere = volume of sphere / 2 .

Volume of sphere = (4 * π / 3) * (6.7 / 2) ^ 3 = 157.47914.....

Volume of hemisphere = 157.47914....... / 2 = 78.7396..........

So it would approximately be 78.7 cubic feet

While participating in a lengthy experiment involving job training for welfare recipients, the economy enters into a major recession. Posttest measurements found that job training was unsuccessful in helping participants locate jobs. However, the experiment's designers claim that the findings were inconclusive because of a possible threat to internal invalidity Which of the following sources of internal invalidity would they be most likely to name as the problem?
a. Instrumentation
b. Contamination
c. Selection bias
d. Secular drift
e. Regression

Answers

Secular drift would be most likely to name as the problem of internal invalidity. Therefore option D is correct.

Secular drift is a type of internal invalidity that occurs when external factors unrelated to the study cause changes in the study outcomes. In this case, the major recession in the economy could have affected the job market and reduced the effectiveness of the job training program. This external factor could be a threat to the internal validity of the study because it undermines the ability to attribute changes in the outcome variable to the treatment. Therefore, the experiment's designers would be most likely to name secular drift as the problem.

Instrumentation refers to changes in the measurement instrument or procedures that affect the results. Contamination refers to the spread of treatment effects to the control group or vice versa. Selection bias occurs when participants are not randomly assigned to treatment groups, resulting in groups that differ in important ways. Regression occurs when participants are selected based on extreme scores, and their scores tend to regress to the mean on subsequent measurements.

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Solve the given differential equation by variation of parameters. Xy'' − 6y' = x6 y(x) = , x > 0

Answers

In this problem, we are given a differential equation involving the second derivative of a function y with respect to x. We are asked to solve the equation using the method of variation of parameters.

The differential equation we are given is:

xy'' - 6y' = [tex]x^6[/tex], x > 0

To solve this equation by variation of parameters, we first need to find the general solution of the corresponding homogeneous equation, which is:

xy'' - 6y' = 0

To do this, we assume that the solution has the form y = c[tex]x^m[/tex], where c is a constant and m is a power of x. Substituting this into the homogeneous equation, we obtain:

xm(cx'' + (m+1)cx') - 6mx(cx' / x) = 0

Simplifying and factoring out c[tex]x^m[/tex], we get:

c[tex]x^m[/tex][(m+1)(m) - 6m] = 0

Since x > 0, we can divide both sides by c[tex]x^m[/tex] to get:

[tex]m^2[/tex] - 5m = 0

Solving for m, we get:

m = 0 or m = 5

Therefore, the general solution of the homogeneous equation is:

yh' = c₁ + c₂[tex]x^5[/tex]

Next, we need to find a particular solution of the non-homogeneous equation. We assume that the solution has the form:

y'p = u₁(x)y₁(x) + u₂(x)y₂(x)

where y₁ and y₂ are linearly independent solutions of the homogeneous equation (in this case, y₁ = 1 and y₂ = [tex]x^5[/tex]), and u₁ and u₂ are functions to be determined.

We differentiate y'p to obtain:

y'p' = u₁'y₁ + u₂'y₂ + u₁y₁' + u₂y₂'

and

y'p'' = u₁''y₁ + u₂''y₂ + 2u₁'y₁' + 2u₂'y₂' + u₁y₁'' + u₂y₂''

Substituting these into the non-homogeneous equation and simplifying, we get:

u₂''(x)[tex]x^5[/tex] - 6u₂'(x)[tex]x^4[/tex] = [tex]x^6[/tex]

We can solve this differential equation for u₂(x) using the method of undetermined coefficients, by assuming that u₂(x) has the form:

u₂(x) = A[tex]x^2[/tex] + Bx + C

where A, B, and C are constants to be determined. Substituting this into the above equation and equating coefficients of like terms, we get:

A = 0, B = 0, and C = -1/18

Therefore, the particular solution is:

yp' = -(1/18)[tex]x^2[/tex]

The general solution of the non-homogeneous equation is then:

y = yh' + yp' = c₁ + c₂[tex]x^5[/tex]- (1/18)[tex]x^2[/tex]

where c₁ and c₂ are constants determined by the initial or boundary conditions.

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A plane intersects only one nappe of a double-napped cone such that it is parallel to a generating line. Which conic section is formed?.

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When a plane intersects only one nappe of a double-napped cone such that it is parallel to a generating line, it forms a parabola.

When a plane intersects only one nappe of a double-napped cone parallel to a generating line, it forms a conic section known as a parabola. This is because a parabola is defined as the set of all points that are equidistant to a fixed point (known as the focus) and a fixed line (known as the directrix).

When a plane intersects a double-napped cone parallel to a generating line, it intersects all the generatrices at the same angle, resulting in a curve that is symmetric and opens in one direction. This curve is a parabola, and it is commonly found in nature, such as the path of a thrown ball, the shape of a satellite dish, or the reflector of a car's headlights.

The properties of a parabola make it useful in various fields, including optics, physics, and engineering, where it is used to model and analyze a wide range of phenomena, such as the trajectory of projectiles, the behavior of lenses and mirrors, and the design of antennas and reflectors.

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how do you find cube roots and squared roots without calculating

Answers

The methods of finding  cube roots and squared roots without calculating include: Estimation, Logarithms and factoring

How to  find cube roots and squared roots without calculating

Here are some general methods:

1. Cube roots

- Estimation: Finding the nearest perfect cube and taking its cube root is one approach to estimate the cube root of a number.

- Logarithms: Logarithms are another method for calculating the cube root of an integer.

2. Square roots:

- Estimation: Finding the nearest perfect square and taking its square root is one approach to estimate the square root of an integer.

- Factoring: Another method for determining the square root of a number is to divide it into its prime factors and then take the square root of the result.

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) how many third-order partial derivatives are there for a function f(x,y)? what are they? why do we have that many?

Answers

There are 8 third-order partial derivatives for a function f(x, y). They are:

1. ∂³f/∂x³ - third derivative with respect to x
2. ∂³f/∂x²∂y - mixed derivative with two x's and one y
3. ∂³f/∂x∂y² - mixed derivative with one x and two y's
4. ∂³f/∂y³ - third derivative with respect to y
5. ∂³f/∂x∂y∂x - mixed derivative with x, y, and x
6. ∂³f/∂y∂x∂y - mixed derivative with y, x, and y
7. ∂³f/∂x∂y∂y - mixed derivative with x, y, and y (equivalent to 3)
8. ∂³f/∂y∂x∂x - mixed derivative with y, x, and x (equivalent to 2)

We have 8 third-order partial derivatives because there are two variables (x and y), and we can take the derivative up to three times with respect to either variable or a combination of both. This results in different ways to distribute the three derivative operations among the two variables (x and y), leading to the 8 combinations mentioned above. Note that some of these derivatives are equivalent due to the symmetry of mixed derivatives when the function f(x, y) has continuous second-order partial derivatives.

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find the end behavior for g
the equation is y=g(x)

Answers

Answer 83$
Plus 68
Executive: 828388

A state capital building has a circular floor 94 feet in diameter. The legislature wishes to have the floor carpeted. The lowest bid is $78 per square yard, including installation.
What is the area of the circular floor in square feet? (Round your answer to two decimal places.)

ft2
What is the area of the circular floor in square yards? (Round your answer to two decimal places.)
yd2
How much must the legislature spend (in dollars) for the carpeting project? Round to the nearest dollar.
$

Answers

Answer:

The area of the circular floor in square feet is 6,939.78 ft².

The area of the circular floor in square yards is 771.09 yd².

The legislature must spend $60,145 for the carpeting project.

Step-by-step explanation:

The area of a circle is given by the formula A = πr², where r is the radius of the circle.  The radius of a circle is half its diameter.

Given the diameter of the state capital building's circular floor is 94 feet, its radius is:

[tex]\implies r=\dfrac{94}{2}=47\sf \;ft[/tex]

To find the area of the circular floor in square feet, substitute r = 47 into the formula for area of a circle:

[tex]\begin{aligned}\implies \sf Area &= \pi(47)^2\\&=2209\pi\\&=6939.78\;\sf ft^2\;(2\;d.p.)\end{aligned}[/tex]

Therefore, the area of the circular floor in square feet is 6,939.78 ft² (rounded to two decimal places).

To convert square feet to square yards, divide the area in square feet by 9. Therefore, the area of the circular floor in square yards is:

[tex]\begin{aligned}\implies \sf Area &= \dfrac{2209\pi}{9}\\&=771.09\; \sf yd^2\;(2\;d.p.)\end{aligned}[/tex]

Therefore, the area of the circular floor in square yards is 771.09 yd² (rounded to two decimal places).

To find the total cost of the project, given the lowest bid for the project is $78 per square yard, multiply the area of the circular floor in square yards by the cost per square yard:

[tex]\begin{aligned}\implies \sf Total\;cost &=771.09 \cdot \$78\\&=\$60145.02\end{aligned}[/tex]

Therefore, the legislature must spend $60,145 for the carpeting project, (rounded to the nearest dollar).

if one side length of a triangle has length a and another has length 2a, show that the largest possible area of the triangle is a^2

Answers

So we have shown that the largest possible area of the triangle is [tex]a^2,[/tex]which occurs when the third side has length 3a and the height is a.

We can use the formula for the area of a triangle, which is A = (1/2)bh, where b is the length of the base and h is the height. In this case, we know that the base has length 2a, so we need to find the height.

Let's call the third side of the triangle, which is not given, b. We know that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side, so we have:

a + 2a > b

3a > b

We can rearrange this to solve for b:

b < 3a

Now, let's use the formula for the area of a triangle:

A = (1/2)bh

We want to maximize A, so we want to maximize h. We know that h is the height of the triangle, which is perpendicular to the base, so it forms a right angle. We can use the Pythagorean theorem to find h in terms of a and b:

[tex]h^2 = b^2 - a^2[/tex]

We can substitute our inequality for b:

[tex]h^2 < (3a)^2 - a^2[/tex]

[tex]h^2 < 8a^2[/tex]

h < √(8[tex]a^2[/tex])

h < 2 √(2)a

Now we can use the formula for the area of the triangle again:

A = (1/2)bh

A < (1/2)(2 √(2)a)(a)

A < [tex]a^2[/tex] √(2)

So we have shown that the largest possible area of the triangle is [tex]a^2,[/tex]which occurs when the third side has length 3a and the height is a.

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(L2) The Circumcenter Theorem states that the circumcenter of a triangle is equidistant from each _____.

Answers

(L2) The Circumcenter Theorem states that the circumcenter of a triangle is equidistant from each vertex of the triangle.

The Circumcenter Theorem is a fundamental concept in geometry that states that the circumcenter of a triangle is equidistant from each of its vertices. In other words, the circumcenter is the point where the perpendicular bisectors of the sides of a triangle intersect.

The circumcenter plays a crucial role in the geometry of triangles, as it is the center of the circumcircle, which is the circle that passes through all three vertices of the triangle.

The circumcircle has several important properties, such as the fact that the length of the circumcircle's circumference is equal to twice the length of the triangle's longest side.

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What does 15/30 terminate while 16/30 repeated

Answers

15/30 is a terminating decimal, meaning it has a finite number of digits after the decimal point.

And, 16/30 is a repeating decimal, meaning the digits after the decimal point repeat continuously.

Since, We get;

⇒ 15/30 can be simplified to,

⇒ 1/2,

which is a terminating decimal, meaning it has a finite number of digits after the decimal point.

On the other hand, 16/30 can be simplified to 8/15, which is a repeating decimal, meaning the digits after the decimal point repeat continuously.

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In an examination, Tunde's marks are 21 more than Muhammad's marks. If Muhammad had scored twice his marks, then Tunde would have five marks less.what was scored by Muhammad?

Answers

Let's use algebra to solve the problem.

Let M be the marks scored by Muhammad.

According to the problem, Tunde's marks are 21 more than Muhammad's marks, so Tunde's marks are M + 21.

If Muhammad had scored twice his marks, he would have scored 2M. And if Tunde had scored 5 marks less than that, he would have scored 2M - 5.

We know that Tunde's actual marks are M + 21. So we can set up an equation:

M + 21 = 2M - 5

Simplifying this equation, we get:

26 = M

Therefore, Muhammad scored 26 marks.

Ryan earns five dollars for each more doggy walks and eight dollars for each large dog he walks today he walked eight dogs and made a total of $55. How many small dogs did Ryan walk?

Answers

The number of dogs that Ryan walked were 3 small dogs and 5 large dogs.

How to find the number of small dogs ?

Total money earned would be:

= 5 ( small dogs ) + 8 ( number of big dogs)

We also know that the total number of dogs walked :

x + y = 8

Solving simultaneously, we get:

5 ( 8  -  y ) + 8y = 55

40 - 5 y + 8 y = 55

3y = 15

y = 5 big dogs

Number of small dogs :

= 8 - 5

= 3 small dogs

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in a simple random sample of allergy sufferers, of them reported obtaining relief from a new allergy medication.is it appropriate to use the methods of this section to perform a hypothesis test about the proportion of allergy sufferers who experience relief from this medication? if not, why not?

Answers

Yes, it is appropriate to use the methods of hypothesis testing to test the proportion of allergy sufferers who experience relief from the new allergy medication.

The methods of hypothesis testing can be used to test any hypothesis about a population parameter, provided certain assumptions are met. In this case, we want to test a hypothesis about the proportion of allergy sufferers who experience relief from the medication, which is a population parameter.

To perform a hypothesis test, we need to have a random sample from the population, which is given in the problem statement. We also need to check the assumptions that the sample is representative of the population, and the observations are independent.

What is hypothesis?

A hypothesis is a statement or assumption about a population parameter, such as a population mean or proportion.

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Consider the the following series. N6 (a) Use the sum of the first 10 terms to estimate the sum of the given series. (Round your answer to six decimal places. ) S10 1. 017342 (b) Use the Remainder Estimate for the Integral Test to estimate the remainder (error) in using the 10th partial sum to approximate the sum of the series. (Round your answer to six decimal places if necessary. ) R10 S (c) Using the Remainder Estimate for the Integral Test, find a value of n that will ensure that the error in the approximation sn is less than 0. 1. N>0 n>18 n>11 n>6 n-18

Answers

a) The sum of the given series is 1.098902

By using the 10th partial sum will give us an approximation that is accurate to within 0.000001 if we use n > 11.

To ensure that the error in the approximation sn is less than 0.0000001, we need n > 18. (option b)

(a) To estimate the sum of the series, we can add up the first 10 terms:

1/1⁶ + 1/2⁶ + ... + 1/10⁶ ≈ 1.098902

This is just an approximation of the actual sum, but it gives us a good idea of what the sum might be.

(b) To estimate the remainder or error in using the 10th partial sum to approximate the sum of the series, we can use the Remainder Estimate for the Integral Test. This tells us that the remainder Rn can be bounded by an integral:

Rn < [tex]\int_{0}^{\infty}[/tex] 1/x⁶ dx

We can evaluate this integral using the power rule for integrals:

Rₙ < [-1/5x⁵]

Rₙ < 1/5n⁵

So if we want the error to be less than 0.000001, we need:

1/5n⁵ < 0.000001

n > (5/0.000001)¹/₅

n > 11.6621

(c) Using the same method as in (b), we can find a value of n that will ensure the error in the approximation sⁿ is less than 0.0000001. We need:

1/5n⁵ < 0.0000001

n > (5/0.0000001)¹/₅

n > 18.2872

Hence the correct option is (b).

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Some members of a community garden in California want to plant an orchard to earn some extra income. After researching, they decided to plant avocado trees. Avocado saplings (baby trees) cost $20 each. It takes 3 years for avocado trees to reach maturity and bear fruit, but after they do, each tree will produce $125 worth of fruit. The community garden is made of 50 members and their goal is to sell $250 per capita each year.
Calculate the total number of trees that all the garden members will need in total in their orchard to meet the goal.

Answers

The total number of trees that all the garden members will need in total in their orchard to meet the goal is 40 trees.

To meet the goal of selling $250 per capita each year, the community garden will need to generate a total of:

[tex]$250 * 50 members[/tex] = [tex]$12,500 per year[/tex]

Each avocado tree costs $20 and produces $125 worth of fruit per year after maturity. Therefore, the net revenue per tree per year is:

$[tex]125[/tex]- $[tex]20[/tex] = $[tex]105[/tex]

Since it takes 3 years for a tree to mature, we can calculate the net revenue per tree over 3 years as:

$[tex]105[/tex] x [tex]3[/tex] = $[tex]315[/tex]

To meet the annual revenue goal of $12,500, the community garden will need to plant:

$[tex]12,500[/tex] / $315 per 3-year period = [tex]39.68[/tex] trees

Since we can't plant fractional trees, we need to round up to the nearest whole number. Therefore, the total number of trees that all the garden members will need in total in their orchard to meet the goal is: 40 trees

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(L2) A circle that contains a polygon so that it passes through each vertex of the polygon is a(n) _____ circle.

Answers

(L2) An inscribed circle is one that encompasses a polygon so that it passes by each of the polygon's vertices.

A circumcircle, not an inscribed circle, is a circle that encircles a polygon at each vertex. A circle that is enclosed within a polygon and intersects each side of the polygon exactly once is said to be inscribed. A circumcircle, on the other hand, is a circle that goes through every vertex of the polygon, with its center located at the point where the perpendicular bisectors of the polygon's sides converge. The greatest circle that can be drawn within a polygon is the circumcircle, while the largest circle that can be drawn inside a triangle is the inscribed circle.

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the number of ways to select a set of 17 flowers chosen from 4 possible varieties (zero or more of each variety).

Answers

There are 1140 ways to select a set of 17 flowers from 4 possible varieties.

What is the combination?

Combinations are a way to count the number of ways to choose a subset of objects from a larger set, where the order of the objects does not matter.

To solve this problem, we can use the concept of combinations.

The number of ways to choose a set of 17 flowers from 4 varieties is the same as the number of ways to distribute 17 identical objects into 4 distinct boxes (where each box represents a variety).

We can use the stars and bars method to count the number of ways to do this.

We place 17 stars (representing the flowers) in a row and place 3 bars (representing the separators between the boxes) among them.

The number of stars to the left of the first bar represents the number of flowers of the first variety,

the number of stars between the first and second bars represents the number of flowers of the second variety, and so on.

For example, if we have 6 flowers of the first variety, 3 flowers of the second variety,

5 flowers of the third variety, and 3 flowers of the fourth variety, one possible arrangement of stars and bars is:

| * * * | * * * * * | * *

This corresponds to selecting 6 flowers of the first variety, 3 flowers of the second variety, 5 flowers of the third variety, and 3 flowers of the fourth variety.

The total number of ways to arrange 17 stars and 3 bars is:

(17 + 3) choose 3 = 20 choose 3 = 1140

Therefore, there are 1140 ways to select a set of 17 flowers from 4 possible varieties.

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what is the maximum population growth rate (rmax) if the population grows to 283 in one year? responses

Answers

The maximum possible population growth rate is 0 (i.e., no growth) if the population grows to 283 in one year. This means that the population remained stable over the course of the year.

What is the rate?

the rate is a measure of the change in one quantity with respect to another quantity. It is typically expressed as a ratio between the two quantities.

To find the maximum population growth rate (rmax), we need to use the exponential growth formula:

[tex]N_t = N_0 * e^{(rt)}[/tex]

where Nt is the final population size, N0 is the initial population size, r is the growth rate, and t is the time period over which the population grows.

In this case, we know that the population grows from an initial size of N0 to a final size of Nt in one year (t = 1), so we can rewrite the formula as:

[tex]N_t = N_0 * e^r[/tex]

We also know that N0 is not given, but we can assume that it is less than or equal to Nt (since the population grows over time).

Substituting the given values, we get:

283 = [tex]N_0 * e^r[/tex]

To solve for r, we need to isolate it on one side of the equation. We can do this by taking the natural logarithm (ln) of both sides:

ln(283) = ln([tex]N_0 * e^r[/tex])

ln(283) = ln([tex]N_0[/tex]) + ln([tex]e^r[/tex])

ln(283) = ln([tex]N_0[/tex]) + r

Now we can solve for r:

r = ln(283) - ln([tex]N_0[/tex])

Since we don't know the value of N0, we can only find an upper bound for rmax. The largest possible value of N0 is when it is equal to Nt, so we have:

rmax = ln(283) - ln(283) = 0

Therefore, the maximum possible population growth rate is 0 (i.e., no growth) if the population grows to 283 in one year. This means that the population remained stable over the course of the year.

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Part A
? Question
Type the correct answer in each box. Write your answers in decimal form, rounded to the
necessary. Type the solution with the smaller value in the first blank.
(Hint: to complete your calculations, you may need to use mental math.)
Select and use the most direct method to solve 2x(x + 1.5) = -1.
X =
Part B
or x =

Answers

By solving the given equation 2x(x + 1.5) = -1 the roots of the equation are -0.5 and -1.

Given equation = 2x(x + 1.5) = -1

we can write it as = 2x²+3x=-1

                             = 2x²+3x+1 = 0

By using the factorization method, we can solve the above equation.

2x²+3x+1 = 0

2 = 1 x 2

2x² + 2x + 1x + 1 = 0

2x(x + 1) + 1(x + 1) = 0

(2x + 1)(x + 1) = 0

(2x + 1) = 0 ; (x + 1) = 0

2x = -1  ; x = -1

x = -1/2

x = -0.5

From the above analysis, the root or zeroes of the given equation is -0.5 and -1.

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he base of a triangle exceeds the height by 7 yards. if the area is 372 square yards, find the length of the base and the height of the triangle.

Answers

The length of the base is approximately 34.28 yards and the height is approximately 27.28 yards.

Let's use the formula for the area of a triangle:

A = (1/2) × b × h, where A is the area, b is the length of the base, and h is the height of the triangle.

From the problem statement, we know that:

b = h + 7  (the base exceeds the height by 7 yards)

A = 372   (the area is 372 square yards)

Substituting the first equation into the formula for the area, we get:

A = (1/2) × (h+7) × h = 372

Multiplying both sides by 2, we get:

(h+7) × h = 744

Expanding the left side and rearranging, we get:

[tex]$h^2 + 7h - 744 = 0$[/tex]

This is a quadratic equation that we can solve using the quadratic formula:

[tex]h = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}[/tex]

where a = 1, b = 7, and c = -744.

Plugging in these values, we get:

[tex]h &= \frac{-7 \pm \sqrt{7^2 - 4(1)(-744)}}{2(1)} \\ &= \frac{-7 \pm \sqrt{7^2 + 4\cdot 744}}{2} \\ &= \frac{-7 \pm \sqrt{5969}}{2} \end{align*}[/tex]

We can ignore the negative root since h must be positive, so:

h = (-7 + sqrt(5969)) / 2 ≈ 27.28

Now we can use the first equation to find the length of the base:

b = h + 7 ≈ 34.28

Therefore, the length of the base is approximately 34.28 yards and the height is approximately 27.28 yards.

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Answer:

Step-by-step explanation:

Let's call the height of the triangle "h" and the length of the base "b".

We are given that the base exceeds the height by 7 yards, so we can write:

b=h+7

We are also given that the area of the triangle is 372 square yards, so we can write:

(1/2)bh=372

Now we can substitute the expression for b from the first equation into the second equation:

(1/2)(h+7)h=372

Multiplying out the left-hand side:

(1/2)(h^2+7h)=372

Multiplying both sides by 2 to eliminate the fraction:

h^2+7h=744

Bringing all the terms to one side of the equation:

h^2+7h-744=0

Now we can solve the quadratic equation for h using the quadratic formula:

h=(-b±sqrt(b^2-4ac))/2a

In this case, a=1, b=7, c=-744

h=(-7±sqrt(7^2-4(1)(-744)))/2(1)

h=(-7±sqrt(7^2+2976))/2

We can discard the negative solution since the height can't be negative.  So, we have:

h=(-7+sqrt(2985))/2

h≈24.2 yards

Now, we can use the first equation to find the length of the base:

b=h+7

b≈31.2 yards

If asked to round to the nearest whole number:

h=24 yards

b=31 yards

You measure 22 backpacks' weights, and find they have a mean weight of 39 ounces. Assume the population standard deviation is 14.8 ounces.
Based on this, construct a 90% confidence interval for the true population mean backpack weight.
Give your answers as decimals, to two places

Answers

The 90% confidence interval for the true population mean backpack weight is (32.93, 45.07) ounces.

We can use the formula for a confidence interval for the population mean:

CI = [tex]\bar{X}[/tex] ± z*(σ/√n)

where [tex]\bar{X}[/tex]  = sample mean

σ = population standard deviation

n = sample size

z = critical value from the standard normal distribution for the desired confidence level (90% in this case)

± represents the interval around the sample mean.

Plugging in the values given, we get:

CI = 39 ± 1.645*(14.8/√22)

Simplifying and computing, we get:

CI = (32.93, 45.07)

So the 90% confidence interval for the true population mean backpack weight is (32.93, 45.07) ounces.

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