a single player is dealt 8 cards from a standard 52 deck what is the probability that the 5th card was the htird and last jack dealt

Sally and Steve approximately 2.9 hours to paint the room together.

The fundamental concept of Time and Work is the same as it is in all Arithmetic topics, namely the concept of Proportionality. When the amount of work done remains constant, efficiency is inversely proportional to time.

Work Done = Time Spent Work Rate

Work Rate = [tex]\frac{1}{time taken}[/tex].

Time Spent = [tex]\frac{1}{rate of work}[/tex].

If a piece of work is completed in x days, then the work completed in one day = [tex]\frac{1}{x}[/tex].

There are two kinds of questions about time and work. Individuals working alone or in groups with different individuals can be a problem.

efficiencies or there may be issues with combined group efficiency. Now, if a person 'A' completes a specific task in X days, the work completed by 'A' in one day is = [tex]\frac{1}{x}[/tex].

Similarly, if a person 'B' completes a specific task in Y days, then his work completed in one day is =[tex]\frac{1}{y}[/tex].

So, if A and B work collaboratively, their combined work done in one day will be [tex]\frac{1}{x} +\frac{1}{y}[/tex], and they will be able to complete the work in [tex]\frac{xy}{x+y}[/tex] days.

Given:

Sally spends 5 hours painting one room.

Steve spends 7 hours painting one room.

In response to the question

Sally will paint part of the room in one hour = [tex]\frac{1}{5}[/tex] part

Steeve will paint part of the room in one hour = [tex]\frac{1}{7}[/tex] part

Together they will paint =[tex]\frac{5*7}{5+7}[/tex] = [tex]\frac{35}{12}[/tex]part

∴ then the complete room will be pained by them = [tex]\frac{35}{12}[/tex]

     = 2.916666… hours

Sally and Steve approximately 2.9 hours to paint the room together.

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The number of leftover eggs line of code is given by:

leftoverEggs ← 12 - (neededEggs MOD 12)

Melody is putting together a program to assist her in planning the items for a bake sale. Three eggs are needed for each batch of cookies, and she plans to make nine. This program determines the total number of eggs needed:

eggsInBatch ← 3

numBatches ← 9

neededEggs ← eggsInBatch * numBatches

Melody understands she'll need to purchase more eggs than required since she must purchase them in 12-egg packages. She is now attempting to determine how many eggs will remain in the last carton of eggs. She can then decide whether to prepare additional icing.

Because the number of needed eggs mod 12 gives us the remainder, that is the leftover eggs that can't be put in the carton, they are the leftover eggs, Since, each carton has 12 eggs, we have to subtract 12 - the needed eggs to obtain the number of leftover eggs.

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The domain of the square root function is x≥0.

What is a function?

Any relation in which each input has exactly one output is referred to as a function. To put it another way, the function outputs one value exactly for each input value. Because one is mapped to two different values, the graph above depicts a relation rather than a function. But if one were instead mapped to a single value, the relation above would become a function. Furthermore, output values could be identical to input values.

The x-values are input into the function machine. The function machine then performs its operations and outputs the y-values. The function within can be any function.

The square root function's purpose must now be considered. The positive number that results in the input after being squared is returned as the principal root or output. Since y will be bigger than or equal to 0, we may be certain of that.

To find out a perfect square we need to find out square root is an integer.

Hence, The domain of the square root function is x≥0.

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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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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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(c) is the correct option. When we subtract w₂ from w₁, we get (2 - 3i).

According to our question, we came to know the values of w₁ and w₂ which are written below:
w₁ = -3i
w₂ = -2

In order to subtract w₂ from w₁, we need to arrange the expression as below:

w₁ - w₂ = -3i - (-2)
Upon opening the bracket, minus(-) will be multiplied by (-2) and it becomes +2.  ∴ - x - = +

Hence,
w₁ - w₂ = -3i + 2

We cannot add -3i with 2 as 'i' referred to as 'iota' is an imaginary number that is used to express complex numbers. Its value is [tex]\sqrt{-1}[/tex]. So, our final solution will be.

w₁ - w₂ =  2 - 3i

Which will be our answer and option (c) is correct.

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

Consider w₁= -3i and w₂ = -2. What is the result of subtracting w₂ from w₁?

a. i

b. -i

c. 2-3 i

d. -2+3 i

The given statement is true. While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

Given,

While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

We have to find whether the given statement is true or false;

OSS;- Open Source Software

Code that is intended to be publicly accessible is known as open source software; anybody can view, alter, and distribute the code as they see appropriate. Peer review and community production are used in the decentralized, collaborative development of open source software.

Here,

The given statement is true.

That is, While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

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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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(-2, 13) is the solution (q, r) to this system of linear equations. 12q + 3r = 15 - 4q - 4r = - 44.

Linear equation is defined as the equation in which the greatest power of the variable is always one. Linear equation is also known as one-degree equation. In linear equation the standard form is

Ax + B = 0

where,

A = coefficient

B = constant

x = variable

The given equations are

12q + 3r = 15      ….. (1)

- 4q - 4r = - 44   ……. (2)

Multiply equation (2) by 3, we get

- 12q - 12r = - 132 ….. (3)

Now by adding the equations (1) and (3), we get

3r - 12r = 15 - 132

- 9r = - 117

r = 117/9 = 13

By Substituting the value of r in equation (2), we get

- 4q - 4 (13) = - 44

- 4q - 52 = - 44

- 4q = - 44 + 52

- 4q = 8

q = - 2

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NOTE: The given question is incomplete on the portal. Here is the complete question.

QUESTION: What is the solution (q, r) to this system of linear equations? 12q + 3r = 15 - 4q - 4r = - 44.

In mathematics, a closed-formula is a mathematical expression that uses a finite number of standard operations. It may contain constants, variables, and operations etc.

A closed formula is an expression that can be computed by applying a fixed or finite number of standard opertions.

Example; Assume that the first term is a1(16 pts)

(a) 2,6,12,20,30,42,....

(b) 1,5,23,119,719,…

(c) 2,4,6,10,16,26,42,…

(d) 8,12,17,23,30,…

hence the closed formula will be a1=(1+1,1+5,1+11,1+29,1+24)

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Required equation of line: 3y + x = 18

What is the slope of Straight line?

It is defined as the tangent of the of the angle the line makes with the x-axis.

We know that the when two lines are perpendicular, the product of their slope is -1

slope of given line  = 3  

let slope of required line  = m

3*m = -1

m = -1/3

as the line passes through the point (3,5)

the equation will be: (y-5)/(x-3) = -1/3

3y-15 = 3-x

Equation of Straight line: 3y + x = 18

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it is translation because there is no change in size of shape just direction is changed both are opposite sided

Owen can revoke the offer to sell his motorcycle to Julian as long as Julian has not yet accepted offer

First Owen offers to sell his motorcycle to Julian for $5000.

Then after makes the offer, Owen has second thoughts and he want to revoke the offer to sell his motorcycle to Julian.

According to revoke of offer to sell an individual who makes an offer have the power to revoke so long as it hasn't yet been accepted by the other party. Therefore he can revoke the price as long as Julian has not yet accepted the offer

Hence, Owen can revoke the offer to sell his motorcycle to Julian as long as Julian has not yet accepted offer

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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 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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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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Using Algebraic expression, Twenty-two decreased by a number say n is phrase form of Algebraic expression (22 - n) . So, The correct option is option (D).

Algebraic expression :

An algebraic expression is a mathematical expression containing variables, constants, coefficients, and algebraic operations. For example, 5x - 5y + 5 is an algebraic expression.

There are several kinds of algebraic expressions. A monomial is a unary algebraic expression whose exponent and variables are non-negative integers.

We have given an algebraic expression (22 - n)

where n is an integer, 22 is a constant term, and subtraction is an algebraic operator.

So, the correct phrase for the algebraic expression in ( 22-n ) is 22 minus the number.

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Complete question:

Which phrase correctly represents the algebraic expression for 22-n?

A.) A number decreased by twenty-two

B.) The total of twenty two and a number

C.) The difference of two and a number

D.)Twenty-two decreased by a number

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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Being afraid of the unknown prevents Hamlet from using death as a solution to end his difficulties.

This is how Hamlet's view of death changes throughout the play.

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The correlation coefficient of

(a) X1 + X2 and X2 + X3  would be 1/2.

(b) X1 + X2 and X3 + X4 would be 0.

What is the correlation in statistics?

Correlation is a statistical measure (a number) that describes the magnitude and direction of a relationship between two or more variables. A correlation between variables, on the other hand, does not imply that a change in one variable is the cause of a change in the values of the other variable.

(a) X1 + X2 and X2 + X3.

We have

Cov(X1 + X2, X2 + X3) = Cov(X1, X2) + Cov(X1, X3) + Cov(X2, X2) + Cov(X2, X3)

                                    = 0 + 0 + Var(X2) + 0

                                    = 1.

We know that

Var(X1 + X2) = Var(X1) + Var(X2) + 2 Cov(X1, X2) = 1 + 1 + 2 · 0 = 2.

Similarly, Var(X2 + X3) = 0. So the correlation between X1 + X2 and X2 + X3 is

                        [tex]=\frac{Cov(X1+X2, X2+X3)}{\sqrt{Var(X1 + X2) Var(X2 + X3)} }\\\\=\frac{1}{\sqrt{2.2} }\\\\=\frac{1}{2}[/tex]

(b) X1 + X2 and X3 + X4.

Since

Cov(X1 + X2, X3 + X4) = Cov(X1, X3) + Cov(X1, X4) + Cov(X2, X3) + Cov(X2, X4)

                                   = 0 + 0 + 0 + 0

                                   = 0,

the correlation between X1 + X2 and X3 + X4 is 0.

Hence, the correlation coefficient of X1 + X2 and X2 + X3  would be 1/2

and X1 + X2 and X3 + X4 would be 0.

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Sami can make 7 necklaces from the cord

Length is defined as the measurement or extent of something from end to end

To find the number of necklaces Sami can make

We divide the Total centimeter of chord with the centimeter of one cord

Total cord=233.8centimter

Each necklace = 33.4centimeters

Therefore, Total cord/Each necklace

=233.8/33.4

=7necklaces

Hence, Sami can make 7 necklaces from 233.8centimeters of cord

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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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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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The total number of multiplications and additions done when evaluating a polynomial of degree n are 2n.

What is degree of polynomial

The highest degree of a polynomial's monomials with non-zero coefficients is referred to as the polynomial's degree in mathematics. A term's degree is a non-negative integer and is calculated by adding the exponents of all the variables that occur in it.

An expression comprising more than two algebraic terms, particularly the sum (or difference) of numerous terms that contain various powers of the same or distinct variables, is referred to as a polynomial (s) degree.

Inside for loop there is one multiplication (y*c) and addition(y*c + ai) and the loop happens n times. So, 2*n based on excluding the increment of i.

Hence, The total number of multiplications and additions done when evaluating a polynomial of degree n are 2n.

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

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

hope this helps!

please give brainliest!

Answer:

71/200

Step-by-step explanation:

The gcf of 355 and 1000 is 5

divide each side by 5

you get 71/200

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:

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.

hope this helps!

please give brainliest!