what is the probability that the mean time for the sample of 150 returns for this year is greater than 92?

Services are usually produced and consumed at the same time, so they follow empty marketing channels such as haircuts and doctor visits.

Hence, Services are usually produced and consumed at the same time, so they follow empty marketing channels such as haircuts and doctor visits.

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Assuming that the provision for doubtful accounts has been recorded, the year-end adjusting statement to record bad debts expenditure

1. The $415 will be subtracted since allowance for dubious debts has a credit balance.

Bad debt expenses = (Outstanding accounts receivable  ×  Uncollectible rate) - Credit balance

Bad debt expenses = (2%  × $55,000) - $415

Bad debt expenses = $1,100 - $415

Bad debt expenses = $685

The journal entries are -

Date  Particulars                                 Debit      Credit

Bad debt expense A/c                      $685

Allowance (Doubtful Accounts)        $685

As Bad debt expenses are the, bad debt expense plotted.

2. There is a debit balance in the allowance for dubious debts, thus $291 will be added.

Bad debt expenses = (Outstanding accounts receivable   × Uncollectible rate) + Debit balance

Bad debt expenses = (2%  × $55,000) + $291

Bad debt expenses = $1,100 - (-$291)

Bad debt expenses = $1,391

The journal entries are -

Date  Particulars                                 Debit      Credit

Bad debt expense A/c                    $1,391

Allowance (Doubtful Accounts)   $1,391

As Bad debt expenses are the, bad debt expense plotted.

Thus, assuming that the provision for doubtful accounts has been recorded, the year-end adjusting statement to record bad debts expenditure.

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The equation of the regression line is y = 0.430x + 3.59.

A characteristic of the data that is ignored by the regression line is that: A. The data has a pattern that is not a straight line.

In order to determine a linear equation for the regression line (trend line) that models the data points contained in the table, we would have to use a graphing calculator (scatterplot).

In this scenario, the x-values would be plotted on the x-axis of the scatterplot while the y-values would be plotted on the y-axis of the scatterplot.

On the Excel worksheet, you should right click on any of the data point on the scatterplot, select format trend line, and then tick the box to display an equation for the regression line (trend line) on the scatter plot.

By critically observing the scatterplot (see attachment) which models the relationship between the x-values and y-values, a linear equation for the regression line (trend line) is given by:

y = 0.430x + 3.59

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While loop is a condition based loop which run till condition is true. So by giving condition that value is not equal to -1 while will run till -1 is entered.

→vectorname.push_back(value) function is used to add elements to a vector.

→vectorname.at(index) function is used to access element present at index.

The following is how the algorithm and program code will be written:

ALGORITHM :

Input value

while loop run till value is not equal to -1

Inside loop add value to vector

Input value

End loop

Output vector elements

PROGRAM CODE :

// C++ Program

#include

#include using namespace std;

// Main

int main()

{

   // Vector declaration

   vector dataVect; // Variable declaration

   int value; int i;

   // Input value cin >> value;

   // While value is not equal to -1

   while(value!=-1){

           // Add that value to vector

   dataVect.push_back(value);

   // Input value cin >> value;

   }

   // Output vector elements one by one

   for (i=0; i

   cout<<< dataVect.at(i) << endl;

    }

    return 0;

}

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The matrix representation of t with respect to the basis is {(1,0,0), (1,1,0), (1,1,1).

T: 1R^3 -> IR^3 activated by

T(x1 y1 z1) = (x+y+z, y+z, 0)

(1,0,0), (0,1,0), (0,0,1) be standard basis of IR^3

Therefore T(1,0,0) = (1,0,0)

(1,0,0) is 1st column of matrix of T

T(0,1,0) = (1,1,0)

(1,1,0) is 2nd column of matrix of T

T(0,0,1) = (1,1,0)

(1,1,0) is 3rd column of matrix of T

Therefore Matrix representation of T with respect to standard basis of IR^3 is

A = 1,1,1    0,1,1    0,0,0

2. Nullspace of T = kennel T

KerT = {(x,y,z)E IR^3/T(x,y,z,) = (0,0,0)}

KerT = {(x,y,z)E IR^3/(x+y+z, y+z,0) = (0,0,0)}

KerT = {(x,y,z)E IR^3/(x+y+z = 0, y+z,0)

KerT = {(x,y,x) EIR^3/x = 0, y = -2}

KerT = {(0,-z,z)}

KerT = {z(0,-1,1)} = Multiple of T

As it contains only one linear independent rectors = nullity = 1

3. Range T = {T(x,y,z)/(x,y,x) EIR^3}

= {(x+y+z, y+z,0)}

Range T = {(x+y+z)(1,0,0) + (y+z)(0,1,0)}

As range contains only two linear independent rectors = Rank = 2

4. T(x,y,z) = (x+y+z, y+z,0)

consider basis, B = {(1,0,0), (1,1,0), (1,1,1)}

T(1,0,0) = (1,0,0)

(1,0,0) = a(1,0,0) + b(1,1,0) + c(1,1,1)

(1,0,0) = (a+b+c, b+c, c)

a+b+c = 1, b+c = 0, c = 0

b = 0, a = 1

Therefore above of a,b,c gives first column matrix

Now,

T(1,1,0) = (2,1,0)

consider (2,1,0) = a(1,0,0) + b(1,1,0) + c(1,1,1)

(2,1,0) =  (a+b+c, b+c, c)

a+b+c = 2, b+c = 1, c = 0

b = 1, a = 1

Therefore above values of a,b,c gives 2nd column of matrix

Now,

T(1,1,1) = (3,2,0)

(3,2,0) = a(1,0,0) + b(1,1,0) + c(1,1,1)

(3,2,0) = (a+b+c, b+c, c)

a+b+c = 3, b+c = 2, c = 0

b = 2, a = 1

Therefore above values of a,b,c gives 3rd column of matrix

Hence the answer is the matrix representation of t with respect to the basis is {(1,0,0), (1,1,0), (1,1,1).

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Option (a) is correct. The value of sinθ will be [tex]-\frac{5\sqrt{41} }{41}[/tex]

We are given the value of the cosθ  = [tex]\frac{4\sqrt{41} }{41}[/tex] where, θ is in the IV Quadrant.

We know that cosine is the ratio of the adjacent side to the hypotenuse.  Also, we have
hypotenuse = h = 41, And Adjacent Side = b = [tex]4\sqrt{41}[/tex]
So, for the value of the opposite side, we need to use the Pythagorean theorem which is stated as:[tex](Hypotenuse)^{2} = (opposite side)^{2} + (adjacentside)^{2}[/tex]
[tex]h^{2} = a^{2} + b^{2}[/tex]

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

a = [tex]\sqrt{41^{2} -(4\sqrt{41})^{2} }[/tex] =  [tex]\sqrt{1681 - 656 }[/tex] = [tex]\sqrt{1025}[/tex] = [tex]5\sqrt{41}[/tex]

The opposite side is  [tex]5\sqrt{41}[/tex] , as sine is negative (-) in the IV quadrant so the value will be   [tex]-5\sqrt{41}[/tex].

So we know that Sine is the ratio of the Opposite side to the hypotenuse, which can be written as:

sineθ = [tex]\frac{Opposite}{Hypotenuse}[/tex]

sineθ =  [tex]-\frac{5\sqrt{41} }{41}[/tex]

So, option (a) will be the right option.

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Your Question is incomplete, but most probably your full question was

Consider this equation. cosθ  = [tex]\frac{4\sqrt{41} }{41}[/tex] if θ is an angle in quadrant IV, what is the value of sinθ?
(a)       [tex]-\frac{5\sqrt{41} }{41}[/tex]

(b)   [tex]\frac{5\sqrt{41} }{41}[/tex]

(c) [tex]-\frac{5}{4}[/tex]

(d) [tex]\frac{5}{4}[/tex]

Answer: c

Step-by-step explanation:

The ratio of the empty bags to the total bags is found as 7/11.

As the stated question-

Total bags = 55

Empty bags = 35

Brand new nags = 20

Ratio = Empty bags/ Total bags

Ratio = 35/55

Ratio = 7/11

Thus, the ratio of the empty bags to the total bags is found as 7/11.

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The probability that it appears five times exactly is 0.3472, or 34.72%.

Binomial distribution of probabilities;

P(X = x)  = C(n,x).pˣ.(1 - p)ⁿ⁻ˣ

C(n,x) = n1/ x1(n - x)!

The variables are:

In this issue:

Three dices are made, hence n is equal to 3.

Since one of its six sides is a five, therefore, p = 1/6 = 0.1167.

P(X = 1) is the chance that the number five appears exactly once, so;

P(X = x)  = C(n,x).pˣ.(1 - p)ⁿ⁻ˣ

P(X = 1)  = C(3,1).0.1167¹.(0.8333)³

P(X = 1)  = 0.3472

Thus, the probability that it appears five times exactly is 0.3472, or 34.72%.

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To prove that  h be a subgroup of g. and suppose h is the only subgroup of g of order(h) h is normal in g is that it is proven by homomorphism .

This is a small contribution, however in reaction to a remark above, you may additionally clear up this with out the use of any homomorphism properties. Assume the subgroup H has order n and select out g∈g. Then, for any [tex]h∈H: = (ghg^-1)^n ghg^-1.ghg^1/n time.\\= gh^n g^-1 = geg ^-1 = geg ^-1 = gg ^-1 = e[/tex]

Since H has order n. The above holds for all h∈H, so the subgroup gHg−1 has order n, so it's miles identical to H through assumption. Then each h∈H has a few h∈H such that ghg−1=h′, implying gh=h′g, so gH=H

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I think that this is a great phrase! I defiently agree that we should all be thankful for what we have and because atleast we have somthing rather than us having nothing.

Answer:Yes I agree you should be grateful.

Step-by-step explanation:You should be grateful and thankful for what you have. Never be ungrateful.

Across all broadcast and streaming channels, Telemundo claimed an average of 2.5 million viewers for the 2018 FIFA Men's World Cup.

What is telemundo?

The company that owns Telemundo is NBCUniversal Telemundo Enterprises, a unit of NBCUniversal, which is in turn owned by Comcast. Telemundo is an American Spanish-language terrestrial television network. With programmes syndicated globally to more than 100 nations in more than 35 languages, it offers content on a national level.

191 million people watched the 64 live games of the 2018 World Cup in Russia, according to FIFA World Cup. With approximately 100 million viewers in the US this year and an estimated 30 million to 50 million viewers worldwide, this greatly outpaces the predicted TV audience for the Super Bowl. How many individuals tuned in to the 2022 World Cup? Utilizing information from Nielsen and Adobe Analytics, the number of views is calculated. 24 matches were played during the first seven days of the 2022 FIFA World Cup QatarTM, with an average audience (TAD) of 57 million across Telemundo, Peacock, and Telemundo streaming platforms—an increase of 24%. A year is equivalent to one year.

Hence, across all broadcast and streaming channels, Telemundo claimed an average of 2.5 million viewers for the 2018 FIFA Men's World Cup.

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The intermediate step  in the form ( x + a ) ^2 = b (x+a)  2 =b as a result of completing the square  of x² - 4x = 45 is (x- 2)² = 49

How to determine the intermediate step?

The equation is given as:

x² - 4x = 45

Take the coefficient of x

k = -4

Divide by 2

k/2 = -2

Square both sides

(k/2)^2 = 4

Add 4 to both sides of x² - 4x = 45

x² - 4x + 4= 45 + 4

This gives

x² - 4x + 4= 49

Express as perfect square

(x- 2)² = 49

Hence, the intermediate step of x² - 4x = 45 is (x- 2)² = 49

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a) The 90% confidence interval for the average salary of an entry-level computer engineer is of: (16.28, 83.72).

b) The sample contains the value 80, hence it does not give sufficient evidence that the average salary of all entry-level computer engineers is different from $80,000.

c) The 90% confidence interval for the standard deviation of entry level salaries is of: (6.67, 389.86).

The bounds of the confidence interval are given according to the following rule:

[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]

In which the variables of the equation are presented as follows:

The sample in this problem is given as follows:

30, 50, 70.

Hence the values of the parameters are given as follows:

[tex]\overline{x} = 50, s = 20, n = 3[/tex]

The critical value, using a t-distribution calculator, for a two-tailed 90% confidence interval, with 3 - 1 = 2 df, is t = 2.92.

Then the lower bound of the interval is of:

[tex]\overline{x} - t\frac{s}{\sqrt{n}} = 50 - 2.92\frac{20}{\sqrt{3}} = 16.28[/tex]

The upper bound of the interval is of:

[tex]\overline{x} + t\frac{s}{\sqrt{n}} = 50 + 2.92\frac{20}{\sqrt{3}} = 83.72[/tex]

The bounds of the confidence interval for the standard deviation are given as follows:

[tex]\frac{(n - 1)s^2}{\chi^2_\frac{\alpha}{2}} \leq \sigma \leq \frac{(n - 1)s^2}{\chi^2_{1 - \frac{\alpha}{2}}}[/tex]

The critical values of the chi-square distribution with a confidence level of 90% and 2 df are given as follows:

[tex]\chi^2 = 0.1026, \chi^2 = 5.9915[/tex]

Hence the lower bound of the interval is of:

2 x 20/5.9915 = 6.67.

The upper bound of the interval is of:

2 x 20/0.1026 = 389.86.

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Answer: [tex]\frac{71}{200}[/tex]

Step-by-step explanation: All you have to do is divide both numbers by 5.

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Answer:

71/200

Step-by-step explanation:

The gcf of 355 and 1000 is 5

divide each side by 5

you get 71/200

Using the slope line formula,

The slope of line y = mx is 1.0315.

We have given that,

parabola equation is y = 5x - 3x²

line passing through origin is in the form of y = mx

==> mx = 5x - 3x²

==> 3x²+ mx - 5x = 0

==> 3x² + x(m -5) = 0

==> x(3x + (m -5)) = 0

==> x = 0 , x = (5 -m)/3

The total area of the bounded region is then the integral of 5x - 3x² from x = 0 to x = (5-m)/3

Area under y = 5x - 3x2 and y = mx is (125/54)/2 = 125/108

==> [0 to (5 -m)/3] ∫(5x - 3x²-mx )dx = 125/108

==> [0 to (5 -m)/3]∫( (5 - m)x - 3x2 )dx = 125/108

==> [0 to (5 -m)/3] ((5 - m)x²/2 - x³ )= 125/108

==> (5 - m)[(5 -m)/3]²/2 - ((5 -m)/3)³ = 125/108

==> (5 -m)³/18 - (5 -m)³/27 = 125/108

==> (5 -m)³/54 = 125/108

==> (5 -m)³ = 125/2

==> (5 -m) = 3.9685

==> m = 5 - 3.9685

==> m = 1.0315

Hence slope of line = 1.0315

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(50.56; 71.44) constructed a 95% confidence interval for the mean savings in dollars for bringing a television to the doctor instead of making an office visit because the population is roughly symmetric.

Using these data, we can use the following formulas to determine the mean and deviation:

the sample mean, represented by the X  at 61, is

Mean population for μ (variable of interest)

the sample standard deviation is s=65.89.

The sample size is n = 20

The formula provides the mean's confidence interval We must first determine the degrees of freedom, given by: in order to calculate the critical value tα.

Now that everything is in place, we can replace formula (1) as follows:

61 – 2.09*65.89/root of 20 = 61 – 10.44 = 50.56

61 + 2.09*65.89/root of 20 = 61 + 10.44 = 71.44

The 95% confidence interval in this instance would therefore be provided by (50.56;71.44)

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Sydney will spend $19.48 on fruit.

Price of strawberries = $1.68 per pound

Price of raspberries = $2.98 per pound

Sydney wants to buy 8.4 pounds of strawberries and 1.8 pounds of raspberries.

Therefore,

Price of 8.4 pounds strawberries = 8.4*Price per pound

Price of 8.4 pounds strawberries = 8.4*1.68 = $14.112

Price of 1.8 pounds raspberries = 1.8*price per pound

Price of 1.8 pounds raspberries = 1.8*2.98 = $5.364

Total spent on fruit = Price of 8.4 pounds strawberries + Price of 1.8 pounds raspberries

Total spent on fruit = $14.112 + 5.364 = 19.48

Rounding off to nearest hundredth;

Total spent on fruit = $19.48

Therefore, Sydney will spend $19.48 on fruit.

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Sinθ = ±5/[tex]\sqrt{106}[/tex]

Given in the Question:

[tex]\cos 2\theta=\dfrac{28}{53}[/tex]

Trigonometric Identity for

Cos2θ = Cos²θ-Sin²θ -(i)

Sin²θ+ Cos²θ=1 -(ii)

Then  Sin²θ=1-Cos²θ

Replacing  Sin²θ with 1-Cos²θ in equation (i)

Then

Cos2θ= Cos²θ -(1-Cos²θ )

Cos2θ= Cos²θ - 1 + Cos²θ

Cos2θ= 2Cos²θ - 1

Putting values

28/53= 2Cos²θ-1

28/53+1=2Cos²θ

28+53/53=2Cos²θ

81/52=2Cos²θ

81/53 X 1/2 =Cos²θ

81/106 =Cos²θ

Then Cosθ=[tex]\sqrt{\frac{81}{106} }[/tex]

Where,

 81 = 9X9 =9²

106 =   53X2

Cosθ= ±9/[tex]\sqrt{106}[/tex]

From the identity (ii)

Sin²θ + Cos²θ=1

Putting value

Sin²θ+ 81/106=1

Sin²θ = 1- 81/106

Sin²θ = 106 - 81/53

Sin²θ = 25/106

Then Sinθ = [tex]\sqrt{\frac{25}{106}}[/tex]

Since 25 = 5X5 = 5²

Sinθ = ±5/[tex]\sqrt{106}[/tex]

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1)Normal dots are the set of data that has a normal distribution and a graph of your data can help to decide whether or not the data is normal. Making a histogram of the data can help to decide whether or not a set of data is normal, but a normal probability plot is more specialized: it graphs z-scores (normal scores) against the data set.

2)A scatterplot displays an association between two sets of data. A scatterplot can also be named a scattergram or a scatter diagram.

3)Equal variances are when the variances are roundabout the same across the samples. Unequal variances can change the error rate and lead to false positives.

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If the function be f(x) = 4x - 2 then the value of f(3) exists 10.

An expression, rule, or law that establishes a connection between an independent variable and a dependent variable.

In mathematics, a variable is referred to as the alphabetic symbol used to represent a number or numerical value. An unknown quantity is represented by a variable in algebraic equations.

In mathematics, a function is a relationship where the values of one or more independent variables determine the values of a single dependent variable. The term "function" denotes that the independent variable influences the dependent variable.

Let the function be f(x) = 4x - 2

substitute the value of x = 3, then

f(3) = 4 × 3 - 2

simplifying the above equation, we get

f(3) = 10

Therefore, the value of f(3) exists 10.

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Probability curve always give a probability of zero for a point estimate on a continuous random variable.

A probability distribution in which the random variable x can take on any value because there are infinite values that x could assume, the probability of x taking on any one specific value is zero.

we often speak in ranges of values (p(x>0) = .50). The normal distribution is one example of a continuous distribution. The probability that X falls between two values (a and b) equals the integral (area under the curve) from a to b.

Density function:

f(x) = P(a≤x≤b) = ∫f(x).dx ≥ 0.

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The difference between an angle that measures 5π/3 radians and an angle that measures 5/3 radians is 204.51 degrees

An angle measure of 5π/3 radians is converted to degree using the proportion

angle in degrees, d / 180 = angle in radian /  π

d / 180 = 5π/3 / π

d = 180 * 5/3

d = 300

For 5/3 radians

d / 180 = 5/3 / π

d = 180 * 5/3π

d = 95.49

The difference

= 300 - 95.49

= 204.51 degrees

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The value of the greater integer is 9

An integer is a number with no decimal or fractional part and it includes negative and positive numbers, including zero

From the question, we were told that;

An integer is subtracted from 5 times the next consecutive odd integer, the difference is 38

Represent the integer with x

So, we have the following representation

x is subtracted from 5 times the (x + 2), the difference is 38

When represented as an equation, we have

5(x + 2) -x = 38

Open the brackets

5x + 10 - x = 38

Evaluating the like terms

4x = 28

Divide both sides of the equation by 4

x = 7

The next odd integer is x + 2

So, we have x + 2 = 7 + 2

Evaluating x + 2 = 9

Hence, the solution is 9

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A point estimate is a single approxmate value of some parameters.

A point estimate for difference in average means is the difference between the sample means .

Point estimator :

In statistics, point estimation uses sample data to compute a single value, called a point estimate, to identify a point in a given parameter space.

Estimator Properties:

Point Estimate of Difference in Average Sales:

Point Estimate of Population Mean The calculation is the sum of all samples divided by the number of values .

Suppose we want to compare the means of two different populations . Each population has a mean and a standard deviation. Take a random sample from Population1 and label the resulting sample statistic with Index1 . Draw a sample from population2 and label its sample statistic with index 2, without reference to the first sample.

It is denoted by " μ1-μ2 " .

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All the correct options that apply to the given dot plot are;

A dot plot is a simple plot that displays data values as dots above a number line.

5 students spent 2 hours on homework.

Dot plots show the distribution of the data.

A dot plot is defined as a simple plot that displays data values as dots above a number line. Dot plots show the frequency with which a specific item appears in a data set and also shows the distribution of the data.

From the given dot plot, we can interpret the following parameters;

Number of students that spent 1 hour on homework = 1 person

Number of students that spent 2 hours on homework = 5 persons

Number of students that spent 3 hours on homework = 6 persons

Number of students that spent 4 hours on homework = 4 persons

Number of students that spent 5 hours on homework = 1 person

Number of students that spent 6 hours on homework = 1 person

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2. Critical numbers of a function h(t) = t^(3/4) - 3t^(1/4) are (1/16 , -1/16).

A number is critical if it makes the derivative of the expression equal 0.

Critical numbers are values of a function where the function's tangent lines are either horizontal or vertical.

Given function is,

h(t) = t^(3/4) - 3t(1/4)

We have to find critical points.

For this we will take derivative and set it with 0

Therefore

h'(t) = (3/4)t^(-1/4) - 3(1/4)t^(-3/4) = 0

3/4[t^(1/4)] = 3/4[t^(3/4)]

4t^(3/4) = t^(1/4)

4 = 1/√t

t = 1/16 and t= -1/16.

Therefore critical points are (1/16 , -1/16).

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Answer:

Yes, it has infinite solutions

Step-by-step explanation:

3 ( x + 1 )

= 3 ( x ) + 3 ( 1 )

= 3x + 3

3x + 3 = 3x + 3

Any number can substituted for x.

Answer: Yes

Step-by-step explanation: First, distribute 3(x+1), which is 3x+3. Then we have 3x+3=3x+3, which is the same thing.

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To answer this question where An investigator wishes to determine whether alcohol consumption we need to know the sample sizes for each group and the standard deviation for each group.

The spread or dispersion of a set of data values is measured by standard deviation. It is calculated as the square root of variance, which is the average of the squared deviations from the mean. In other words, it is a measurement of how widely apart a group of numbers are from one another. A low standard deviation implies that the data are closely grouped around the mean, whereas a large standard deviation suggests that the data are more scattered or spread out. outliers or anomalies in a dataset and to estimate the degree of variation or uncertainty in a population. It is a helpful tool for comparing and measuring.

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Answers to be filled are rectangle, [tex]2\pi[/tex] , equal, [tex]2\pi r^2[/tex].

Given,

In the question:

Suppose the bottom surface, or base, of a cylinder is divided into 16 congruent sectors. then the sectors are rearranged as shown.

Open this GeoGebra activity to divide the circle into even more sectors and rearrange the sectors for yourself.

To complete the statement to compare the areas of the two figures and find the area of the base of the cylinder.

Now, According to the question:

To complete the statements

A circle of radius 'r' and rearranged figure out of sectors of the same circle.

When the sectors of the circle are rearranged , they are close to forming a rectangle with a length of 2[tex]\pi[/tex]r units and a width of r units.

The area of the rearranged figure is equal to that of the circle. So, the area of the circular base 2[tex]\pi r^2[/tex] sq. units

Hence, Answers to be filled are rectangle, [tex]2\pi[/tex] , equal, [tex]2\pi r^2[/tex].

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When the sectors of the circle are rearranged, they are close to forming a

rectangle with a length of 2*pi*r units and a width of r units. The area of the rearranged figure is equal to that of the circle. So, the area of the circular base 2*pi*r square units.