Consider the function f(x) = over the interval [0, 1]. Does the extreme value theorem guarantee the existence of sin(플) an absolute maximum and minimum for f on this interval? Select the correct answer below: Yes O No

Answer:

I'm assuming the equation "Ax) = ax + bx² + cx+d" is really meant to read:

A(x) = ax^3 + bx² + cx+d

A(x) = x^3 + x^2 -4x -4

Step-by-step explanation:

(x+2)*(x+1)*(x-2)      [This reflect the fact that x= -2, x=-1, x=2 all result in a zero]

Multiply this out to get A(x) = x^3 + x^2 -4x -4

To make a decision for the hypothesis test, we need to analyze the ANOVA summary table for the test of significance of the overall regression model.

From the table, we can see that the regression sum of squares (SS) is given as 20, and the residual sum of squares (SS) is given as 400. We also know that the total sum of squares (SS) is the sum of the regression SS and the residual SS.

Since the degrees of freedom (df) for the regression model is equal to the number of predictor variables (k) minus 1 (k - 1), and the df for the residual is the total sample size (n) minus the number of predictor variables (k), we can calculate the df for the regression and the residual.

Given that the sample size (n) is 45 and the number of predictor variables (k) is 4, we can calculate:

df for regression = k - 1 = 4 - 1 = 3

df for residual = n - k = 45 - 4 = 41

Next, we need to calculate the mean square (MS) for the regression and the residual by dividing the SS by their respective degrees of freedom.

MS for regression = SS for regression / df for regression = 20 / 3

MS for residual = SS for residual / df for residual = 400 / 41

Finally, we can calculate the F-statistic by dividing the MS for regression by the MS for residual.

F = (MS for regression) / (MS for residual)

Now, we can compare the calculated F-statistic to the critical F-value at the given significance level (α = 0.05). If the calculated F-statistic is greater than the critical F-value, we reject the null hypothesis. Otherwise, we fail to reject the null hypothesis.

Without the information of the critical F-value or the calculated F-statistic, we cannot make a definitive decision or final conclusion for the hypothesis test. Please provide the necessary values, and I will be able to help you with the decision and conclusion.

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Answer:

Ambitious Ambitios Ambitious Ambitions

The relation will not be a function if you complete the table with:

x = 8

x = 6

or

x = -9

A relation maps elements from one set called the domain (represented with the variable x), into elements of another set called the range (represented with the variable y)

A relation is only a function if every element in the domain is mapped into only one element of the range.

So, if we repeat any of the values of the domain that already are in the table (8, 6, -9) then the relation will not be a function, so you can choose any of these 3 values.

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Answer:

Width = 15 feet

Length = 45 feet

Step-by-step explanation:

You need to fence in a rectangular piece of land for your dog to run and play. The length is 3 times the width. If the perimeter is 120 ft, what are the dimensions of your very own dog park?

Perimeter of a rectangle = 2L + 2W

The length is 3 times the width.

L = Length = 3W

W = Width

P = 120 ft

Hence:

120 = 2L + 2W

120 = 2(3W) + 2W

120 = 6W + 2W

120 = 8W

W = 120/8

W = 15 feet

Solving for Length

L = 3W

L = 3 × 15 feet

L = 45 feet

Therefore, the dimensions of your very own dog park is

Width = 15 feet

Length = 45 feet

Answer:

x= 4 and y= -3

Step-by-step explanation:

5x+3y= 11 (1)

-2x+y= -11 (2)

From (1):

3y= -5x+11

y= -5/3x+11/3 (3)

sub (3) into (2):

-2x+(-5/3x+11/3)= -11

-2x-5/3x+11/3= -11

-11/3x= -44/3

x= 4 (4)

sub (4) into (1):

5(4)+3y= 11

3y= -9

y= -3

It is more difficult to establish nonspuriousness in quasi-experiment designs, where do not use randomization to assign subjects to treatment and comparison groups. So, option(c) is right.

The prefix quasi means "resembling". Thus, quasi-experimental research is a type of research which resembles to experimental research but it is not a true experimental research. These designs are similar to true experiments but lack random assignment to experimental and control groups. A true experiment, a quasi-experimental design, aims to establish a cause-and-effect relationship between an independent and a dependent variable. Aim of these experiments is to evaluate interventions but without use of randomization. Subjects are assigned to groups based on non-random criteria. Since the independent variable is measured, not manipulated, they are best thought of as correlational research. Thus, the correct answer is to determine a relationship between two variables that is not caused by variation in a third variable, i.e, Nonspuriousness.

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Complete question :

Because quasi-experimental designs do not use randomization to assign subjects to treatment and comparison groups, it is more difficult to establish:

a. Association

b. Time order

c. Nonspuriousness

d. Causal mechanism

e. Context

Less than half of the surveyed internet users have posted photos or videos online. To determine if less than half of internet users have posted photos or videos online based on the poll, we can follow these steps:

1. Calculate the proportion of users surveyed who have posted photos or videos online.
2. Compare the proportion to 0.5 (which represents half).

Step 1: Calculate the proportion
The poll surveyed 1,765 internet users, and 865 of them posted a photo or video online. To calculate the proportion, we can divide the number of users who posted (865) by the total number of users surveyed (1,765):

Proportion = 865 / 1,765 ≈ 0.49

Step 2: Compare the proportion to 0.5
Since 0.49 is less than 0.5, it appears that less than half of the surveyed internet users have posted photos or videos online.

However, we cannot conclude that this is true for all internet users, as the poll surveyed a limited sample size of 1,765 users. A larger, more representative sample may be needed to draw a more accurate conclusion.

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Complete Question:

a poll surveyed 1765 internet users and found that 865 of them had posted a photo or video online. can you conclude that less than half of internet users have posted photos or videos online? use the ∝ = 0.01 level of significance and the P value method with the TI-84 calculator.

The number of men living in the village is 260.

A collection of many linear equations that include the same variables is referred to as a system of linear equations. A linear equation system is often composed of two or more linear equations with two or more variables.A linear equation with two variables, x and y, has the following general form:

                                           \(ax + by = c\)

Given:

Total inhabitants in the village: 817

Number of children: 241

There are 56 more women than men in the village

Total adults = Total inhabitants - Number of children

Total adults = 817 - 241

Total adults = 576

Let number of men in the village be 'x' and number of women in the village be 'y',

∴ y=x+56 (given) ..................(1)

Also, x+y=576 .................(2)

From equation (1) and (2),

x + (x + 56) = 576

2x + 56 = 576

2x = 576 - 56

2x = 520

x = 520 / 2

x = 260

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Angle BCF = 38 degrees

Angle BED = 79 degrees

Angle BDE = 63 degrees

Angle B = 79 degrees

Angle C = 79 degrees

Angle ACF = 38 degrees

Angle F = 104 degrees.

We have,

As ED//BC,

We can say that angle EDB = angle BCF = 38 degrees.

Also, in rhombus ABCF, angles BCF and CAF are equal,

So CAF = 38 degrees.

In triangle BED,

We have angle BED = 79 degrees and angle EDB = 38 degrees.

Angle BDE = 180 - (79 + 38) = 63 degrees.

In triangle BDE,

We also has angle B = angle EBD = 180 - (63 + 38) = 79 degrees.

In trapezium BCDE,

Angles B and C are equal, so angle C = 79 degrees.

Finally, in rhombus ABCF, angles CAF and ACF are equal,

So ACF = 38 degrees.

Therefore,

Angles A and C of triangle ACF equal 38 degrees each, and angle F is:

= 180 - (38 + 38)

= 104 degrees.

Thus,

angle BCF = 38 degrees

angle BED = 79 degrees

angle BDE = 63 degrees

angle B = 79 degrees

angle C = 79 degrees

angle ACF = 38 degrees

angle F = 104 degrees.

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The complete question.

In the figure, ABCF is a rhombus and BCDE is a trapezium. ED//BC, BCF=38 degrees, and BED= 79 degrees.

Find the following:

Angle BCF

Angle BED

Angle BDE

Angle B

Angle C

Angle ACF

Angle F

a. The probability that a failure is due to an induced substance is 0.013487 or 1.35% approximately.

b. Probability of a failure due to disease or infection= 44%.

a. Determine the probability that a failure is due to an induced substance.

The total percentage of heart failures that are caused by outside factors is 19%, of which 73% are due to induced substances.

Therefore, the probability that a failure is due to an induced substance = 73/100*19/100= 0.013487 or 1.35% approximately.

b. Determine the probability that a failure is due to disease or infection.

The total percentage of heart failures that are caused by natural occurrences is 81%, of which disease accounts for 27% and infection (e.g., staph infection) accounts for 17%.

Therefore, the probability that a failure is due to disease or infection = 27/100 + 17/100= 0.44 or 44% approximately.

Probability of a failure due to induced substance= 1.35% (approx.)Probability of a failure due to disease or infection= 44% (approx.)

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Answer:

Step-by-step explanation:

Respuesta: B) Kathy comienza cada semana con 108 teléfonos para arreglar.

Explicación: La ecuación P = 108-23d  está diciendo que el número de teléfonos que Kathy le quedan por arreglar al final de cada día se puede calcular con el número de teléfonos que tiene al principio de la semana (108), menos los teléfonos que ha reparado cada día (d), multiplicado por 23. Luego, el significado del valor 108 en esta ecuación es que Kathy comienza cada semana con 108 teléfonos para arreglar.

The answer is- D. 324 pi units squared

The volume of the cone is 324π cubic units, option C is correct.

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

We have to find the volume of cone whose height is 12 units, radius is 9 units

Volume = πr²h/3

Now let us plug in values of r and h which are radius and height respectively

Volume of cone = π × 9² ×12 /3

= π × 81×4

=324π cubic units

Hence, the volume of the cone is 324π cubic units, option C is correct.

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Example 1:

An example of a group in which all non-identity elements have infinite order is the additive group of integers, denoted as (Z, +). In this group, the operation is ordinary addition. Every non-zero integer can be written as the sum of 1 repeated infinitely many times or -1 repeated infinitely many times, resulting in infinite orders for all non-identity elements. For instance, consider the element 1 in this group. If we add 1 to itself repeatedly, we obtain the sequence 1, 2, 3, 4, and so on, which extends infinitely. Similarly, adding -1 to itself repeatedly generates the sequence -1, -2, -3, -4, and so forth. Thus, every non-zero element in the additive group of integers has an infinite order.

Example 2:

An example of a group in which for every positive integer n, there exists an element of order n is the multiplicative group of positive rational numbers, denoted as (Q+, ×). In this group, the operation is ordinary multiplication. For any positive integer n, we can find an element whose exponentiation by n gives the identity element 1. Specifically, let's consider the element 2^(1/n). If we multiply this element by itself n times, we get (2^(1/n))^n = 2^(n/n) = 2^1 = 2, which is the identity element in the group. Therefore, the element 2^(1/n) has an order of n. This applies to every positive integer n, meaning that for any n, we can find an element in the multiplicative group of positive rational numbers with an order of n.

In summary, the additive group of integers (Z, +) exemplifies a group where all non-identity elements have infinite order, while the multiplicative group of positive rational numbers (Q+, ×) demonstrates a group where for every positive integer n, there exists an element with an order of n.

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In interpreting effect size, the meaning of effect size at 0.3 is small effect size. So, the correct answer is A).

In interpreting effect size, an effect size of 0.3 is typically considered to be a small effect size. This means that there is a small but still measurable difference or relationship between two variables.

The interpretation of effect size can vary depending on the context and the discipline in which it is being used, but as a general rule, effect sizes of 0.2 or smaller are considered small, effect sizes of 0.5 are considered medium, and effect sizes of 0.8 or larger are considered large. Therefore, an effect size of 0.3 falls in the small effect size range. So, the correct option is A).

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Answer:

g(-4) = 1  g(5) = -3

Step-by-step explanation:

Step 1: Recognize this is in function notation

In funcion notation what is in the brackets are the x coordinates of the point

Step 2: Solve

We see the first one is g(-4) so we head to the left side of the x-axis and look for a point on the line that has the x value of -4.  We see that at x = -4 y is equal to 1 so g(-4) is equal to 1

Next we take a look at g(5) so we look at the right side of the x-axis and see that the line crosses x=5 at y=-3 so the value of g(5) is -3

The standard normal distribution that represents the variable in the question indicates that we get;

a. The probability is about 0.42858

b. The probability that the average mpg of 3 randomly selected passenger cars is more than 32 mpg is 0.35197

c. The probability that all the three cars get more than 32 mpg is about0.0788

A standard normal distribution, also known as the Gaussian distribution, and the z-distribution, has a mean of 0, and a standard deviation of one.

a. The standard score (z-score) of 32 mpg can be obtained as follows;

z = (32 - 31.2)/4.5 ≈ 0.178

The probability that a standard normal variable has a z-score, larger than 0.178, obtained from the z-score table is therefore;

P(Z > 0.178) ≈ 1 - 0.57142 = 0.42858

b. The of the sample is μ = 31.2

The standard deviation of the sample is, σ = 4.5/√(3)

z = (x - μ)/(σ/√n)

Therefore;

z = (32 - 31.2)/(4.5/√(3)) ≈ 0.308

The probability that a standard normal variable has a z-score larger than 0.308, from the z-score table, therefore is; p(z > 0.308) = 1 - 0.64803 = 0.35197

c. The mpg ratings are independent, therefore, we get;

P(the three cars get more than 32 mpg) = P(car 1 gets more than 32 mpg) × P(car 2 gets more than 32 mpg) × P(car 3 gets more than 32 mpg)

The probability that a car gets more than 32 mpg is about 0.42858

Therefore;

P(the three cars get more than 32 mpg) = 0.42858 × 0.42858 × 0.4288 ≈ 0.0788

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The exact values of the remaining five trigonometric functions of the acute angle θ

To find sin θ, we can use the identity sec^2 θ = 1 + tan^2 θ, and solve for tan θ first.

sec θ = 3
Recall that sec θ = 1/cos θ, so we have:

1/cos θ = 3
cos θ = 1/3

Using the Pythagorean identity, we have:

sin^2 θ + cos^2 θ = 1
sin^2 θ + (1/3)^2 = 1
sin^2 θ = 8/9

Taking the square root of both sides (since sin θ is positive for acute angles), we have:

sin θ = sqrt(8/9) = (2sqrt(2))/3

Therefore, the remaining five trigonometric functions of θ are:

cos θ = 1/3
tan θ = sin θ/cos θ = (2sqrt(2))/1 = 2sqrt(2)
csc θ = 1/sin θ = 3/(2sqrt(2)) = (3sqrt(2))/4
sec θ = 3
cot θ = 1/tan θ = 1/(2sqrt(2)) = (sqrt(2))/4


sin θ = (2sqrt(2))/3
cos θ = 1/3
tan θ = 2sqrt(2)
csc θ = (3sqrt(2))/4
sec θ = 3
cot θ = (sqrt(2))/4

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To calculate the duration of the shift, you need to subtract the clock-in time from the clock-out time.

In this case, the shift worker clocked in at 1730 hours (5:30 PM) and clocked out at 0330 hours (3:30 AM). However, since the clock is based on a 24-hour format, it's necessary to consider that the clock-out time of 0330 hours actually refers to the next day.

To calculate the duration of the shift, you can perform the following steps:

1. Calculate the duration until midnight (0000 hours) on the same day:

  - The time between 1730 hours and 0000 hours is 6 hours and 30 minutes (1730 - 0000 = 6:30 PM to 12:00 AM).

2. Calculate the duration from midnight (0000 hours) to the clock-out time:

  - The time between 0000 hours and 0330 hours is 3 hours and 30 minutes (12:00 AM to 3:30 AM).

3. Add the durations from step 1 and step 2 to find the total duration of the shift:

  - 6 hours and 30 minutes + 3 hours and 30 minutes = 10 hours.

Therefore, the duration of the shift was 10 hours.

The slice of quiche must be rotated 45° clockwise to ensure that each of the 8 slices are the same size and shape.

What is Rigid Motion?

A set can move in a rigid motion if the spacing between the points remains constant. A set is a collection of things or components in mathematics.

Explanation:

Rotation:

A transformation about a point p, called the center of rotation.

Each point and its image are the same distance from p.

There are 8 slices so each central angle of a quiche must  \(\frac{360}{8} =45\).

Hence, The slice of quiche must be rotated 45° clockwise to ensure that each of the 8 slices are the same size and shape.

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The diameter of the opening of the cone is 14 units.

A cone is simply a 3-dimensional geometric shape with a flat base and a curved surface pointed towards the top.

The volume of a cone is expressed as;

V = (1/3)πr²h

Where r is radius of the base, h is the height of the cone and π is constant pi.

Given the data in the question;

Plug the given values into the equation and solve for r.

V = (1/3)πr²h

V = (1/3) × π × r² × h

196π = (1/3) × π × r² × 12

196π = 4π × r²

r² = 196π / 4π

r² = 49

r = √49

r = 7

Note that; diamter = 2 × radius.

Hence, the diameter of the cone is 2 × 7 = 14 units.

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let's recall that tangent lines to the same circle meeting outside the circle are always equal, same length, Check the picture below.

\(\stackrel{\textit{\large Perimeter}}{2(11.1)+2(8.4)+2(14)\implies 67}\)

Using proportions, it is found that the table is completed as follows:

                         Original Ratio Number in the zoo

Baby camels     5                     20

Adult camels     6                     24

Total camels     11                     44

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

At the zoo, for every 6 adult camels, there are 5 baby camels, hence, out of 11 camels, 5 are baby and 6 are adult.

Thus, out of 44 camels, we have that:

The table is:

                         Original Ratio Number in the zoo

Baby camels     5                     20

Adult camels     6                     24

Total camels     11                     44

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Answer:

5      20

6      24

11      44

Step-by-step explanation:

Answer:

61

Step-by-step explanation:

Let's see what to do buddy...

_________________________________

KJI = KJR + RJI

So :

172° = ( 6x -5 )° + ( 12x -3 )°

172° = 18x - 8°

Subtract the sides of the equation plus 8°

180° = 18x

Divided the sides of the equation by 18

x = 180/18

x = 10°

_________________________________

So we have :

KJR = 6x -5 = 6(10) - 5 = 60 - 5 = 55°

KJR = 55°

_________________________________

And we're done.

Thanks for watching buddy good luck.

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Answer:

Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.

Step-by-step explanation:

Answer:

B) Is the answer.

Step-by-step explanation:

If you have 15 quarters and 32 pennies, you have more than twice the amount of pennies that you do quarters. There is a small chance that it could be a dime or a nickel but this is unlikely. The chance of a quarter and penny falling out is much greater than a dime or nickle.

Answer:

£84

Step-by-step explanation:

The total cost of the dishwasher is: £372

The deposit she makes is: £36

Thus, she still has to pay the following amount:

£372 - £36 = £336

And this amount will be divided into 4 equal monthly payments. So, we must divide the amount that she still has to pay by 4.

Each one of this monthly payments will have a value of:

£336 ÷ 4 = £84

the answer is that each monthly payment will be of £84

The square root of 1 has two solutions: 1 and -1, then

If the polynomial p(x) is divided by (x-1) three times and has a remainder of 1 at the end, then -1 is a double root of p(x). This means that (x+1) is a factor of p(x) raised to the power of 2.

When a polynomial is divided by (x-1), the remainder represents the value of the polynomial at x=1. Since the remainder is 1, it implies that p(1) = 1. Dividing p(x) by (x-1) three times indicates that the polynomial has been factored by (x-1) three times. Consequently, the polynomial can be written as p(x) = (x-1)^3 * q(x) + 1, where q(x) is the quotient obtained after dividing p(x) by (x-1) three times. Since the remainder is 1, it means that when x=1, p(x) leaves a remainder of 1.

Thus, (1-1)^3 * q(1) + 1 = 1, which simplifies to q(1) = 0. This implies that (x-1) is a factor of q(x), meaning that q(x) can be written as q(x) = (x-1) * r(x), where r(x) is another polynomial.

Substituting this into the earlier expression for p(x), we get p(x) = (x-1)^3 * (x-1) * r(x) + 1. Simplifying further, p(x) = (x-1)^4 * r(x) + 1. Now, we can see that p(x) is divisible by (x+1) since (x+1) is a factor of (x-1)^4, and the remainder is 1. Therefore, -1 is a double root of p(x) because (x+1) appears twice in the factored form of p(x).

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