sine rule find the length of ac

Sine Rule Find The Length Of Ac

Answers

Answer 1

The length AC of the triangle ABC is approximately 12.083 centimeters.

How to use the law of sine

The law of sine is a relationship between the sides and the angles of the triangle, which is defined below:

AB / sin C = AC / sin B = BC / sin A

Where:

AB, AC, BC - SidesA, B, C - Angles

First, determine the measure of angle C:

AB / sin C = BC / sin A

sin C = (AB / BC) · sin A

sin C = (8.2 / 13.5) · sin 81°

C ≈ 36.865°

Second, determine the measure of angle B:

B = 180° - A - C

B = 180° - 81° - 36.865°

B = 62.135°

Third, determine the length of side AC:

AC / sin B = BC / sin A

AC = BC · (sin B / sin A)

AC = 13.5 · (sin 62.135° / sin 81°)

AC ≈ 12.083 cm

The length AC is approximately equal to 12.083 centimeters.

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Related Questions

Merle Fonda opened a new savings account. She deposited $40,000 at 10% compounded semiannually. At the start of the fourth year, Merle deposits an additional $20,000 that is also compounded semiannually at 10%. At the end of six years, the balance in Merle's account is (use the tables in the handbook):

A.

$73,604.00

B.

$53,604.00

C.

$80,406.00

D.

$98,636.72

E.

None of these

Answers

The correct option D. $98,636.72; is the amount in Merle's account after six years.

Explain the term compounded semiannually?Interest compounded semiannually indicates that its compound interest rate is determined on the bases of the principal combined with the outcomes of the compound interest rate as from previous term's computation, and this will occur twice a year.

The formula for the compound interest is-

A = P * (1 + r/nt)^nt

In which,

A = amount after compounding.P = principal amountr = rate of interestt = total time in yearsn = number of time amount compounded

From the beginning to end of the third year:

A = P(1 + 0.05 )^6

A = 40,000 × 1.05^6

A = $53,603.83

Now, add $20,000 to the amount obtained.

A = $53,603.83 + $20,000

A = $73,603.83

Thus, at the end of sixth year:

A = 73,603.83 x 1.05^6

A = $98,636.16

Therefore, the balance in Merle's account after six years is  $98,636.16.

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what performs all arithmetic operations (for example, addition and subtraction) and all logic operations?

Answers

An arithmetic logic unit (ALU) performs all arithmetic operations (for example, addition and subtraction) and all logic operations.

An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs. In addition to ALUs, modern CPUs contain a control unit (CU).

Basic arithmetic and logical operations are carried out using an ALU. Addition, subtraction, multiplication, and division are a few examples of arithmetic operations.

Binary numbers, or 0 and 1, are used to store and modify every piece of data in computers. Since a switch has just two possible states—open or closed—transistor switches are used to alter binary numbers. An open transistor, through which no current flows, is equivalent to a 0. A closed transistor with a current flowing through it symbolizes a 1.

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Find the value of x.

Answers

Answer:

[tex]120^{\circ}[/tex]

Step-by-step explanation:

Using the exterior angle theorem, [tex]x=50^{\circ}+70^{\circ}=120^{\circ}[/tex].

Answer:

Step-by-step explanation:

we know the inside total angles for triangle is 180 degrees.

We are given the two internal angles as 70 and 50 degrees.

So the equation can be written as

70+50+y = 180

y= 60

Also, we know that straight line is 180 degrees.  Now we can write the second equation as follow:

60+x = 180

x = 120 degrees

An agent is paid a commission of 2% on the total sales in a year and a bonus of 0.5% on the excess of sales over Rs. 9,00,000. Find how much he receives as commission if the bonus amounts is Rs. 1500.

Ans:Rs.42500​

Answers

The amount of commission the agent receives if the bonus amount is Rs. 1,500, is Rs. 24,000.

How the commission is computed:

To find the commission received by the agent, we first determine the excess sales using the bonus rate and bonus amount.

The excess sales are added to Rs. 900,000 to determine the total sales for the year.

The commission rate is applied to the total sales to ascertain the amount of the commission the agent received.

Commission on the total annual sales = 2%

Bonus on the excess of sales over Rs. 900,000 = 0.5%

Bonus amount = Rs. 1,500

Excess sales over Rs. 900,000 = Rs. 300,000 (Rs. 1,500/0.5%)

Total sales = Rs. 1,200,000 (Rs. 900,000 + Rs. 300,000)

Commission amount = Rs. 24,000 (Rs 1,200,000 x 2%)

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Which ratio is equivalent to 3/7
A) 6 to 10
B) 9:21
C) 12/35
D) 7 to 3

Answers

Answer:  B 9:21

Step-by-step explanation:

9 reduces to three and 21 reduced to 7

EASY 7TH-GRADE MATH


You mix 1/4
cup of red paint for every 1/2
cup of blue paint to make 3 gallons of purple paint.

a. How much red paint do you use? How much blue paint do you use?

Question 2
b. You decide that you want to make light purple paint. You make the new mixture by adding 1/4
cup of white paint for every1/4
cup of red paint and 1/2
cup of blue paint. How much red paint, blue paint, and white paint do you use to make 1 1/2
gallons of the lighter purple paint?

PLEASE HELP THIS IS OVER DUE

Answers

The amount of red paint used is 3/4 gallons

The amount of blue paint used is 1 1/2 gallons.

The amount of red paint used is 3/8 gallons

The amount of blue paint used is 3/4 gallons

The amount of white paint used is 3 /8 gallons

How much of each paint was used?

In order to determine the quantity of each type of paint needed, multiply the fraction of each type of paint used by the total gallons of purple paint.

Amount of red paint used = 1/4 x 3 = 3/4 gallons

Amount of blue paint used = 1/2 x 3 = 3/2 = 1 1/2 gallons

The quantity of each type of paint used to make the lighter purple shade:

Amount of red paint used = 1/4 x 1 1/2

1/4 x 3/2 = 3/8 gallons

Amount of blue paint used = 1/2 x 3/2 = 3/4 gallons

Amount of white paint used = 1/4 x 1 1/2

1/4 x 3/2 = 3 /8 gallons

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Match the plot with a possible description of the sample.

60 70 80 90 100

Choose the correct answer below

A. Wait time (in minutes) for a sample of doctors offices

B.Ages (in years) of a sample of residents of a retirement home.

C. Highest yearly temperatures (F) for a sample of deserts.

D. Time (in hours_ spent watching TV in a day for a sample of teenagers.

Answers

Ages (in years) of a sample of retirement home inhabitants is option B. For the lowest wait time, the maximum frequency is anticipated to be right-skewed. A desert cannot have a maximum annual temperature of 60°F, and it is not conceivable to watch 60+ hours of TV in a single day.

Residents of senior living facilities are typically 84 years old. While there are many couples in these communities, the majority of people who live in independent living are women. Some people move in at or near the minimum age (often around 65), but most people do so between the ages of 75 and 84. Residents come from all different backgrounds.

Many people are choosing senior living in a community environment, including teachers, nurses, small business owners, big business CEOs, university professors, housewives, lawyers, engineers, musicians, and more. Current residents will attest that the rich diversity of origins fosters amazing interactions and relationships. And contrary to popular belief, the majority of residents of independent living are quite active.

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Correct Question:

Match the plot with a possible description of the sample.

60 70 80 90 100

Choose the correct answer below

A. Wait time (in minutes) for a sample of doctors offices

B. Ages (in years) of a sample of residents of a retirement home.

C. Highest yearly temperatures (F) for a sample of deserts.

D. Time (in hours_ spent watching TV in a day for a sample of teenagers.

Solve -12x-3x²=0 by factoring.
The solutions are x =
and x =

Answers

Answer:

Step-by-step explanation:

Mr. Lincoln is making slime for his kindergarten class. He has 3 cups
of glue. Each batch of slime uses 2/3 cup of glue. How many batches
of slime can Mr. Lincoln make? Show your work

Answers

In  linear equation, 5  batches of slime can Mr. Lincoln make.

What in mathematics is a linear equation?

A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.

                                 Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

Based on the given conditions, formulate = 3 ÷ 2/3

                                             = 3 * 3/2

                                          = 3 * 3/2

                                            = 9/2

the smallest integer greater than or equal to = 9/2 : 5

                                                                         = 5

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eighty-four percent of non-teacher workers were employed in private schools. if a random sample of 200 non-teacher workers from private schools was selected, what is the probability that between 78% and 86% were non-teacher workers from private schools? eighty-four percent of non-teacher workers were employed in private schools. if a random sample of 200 non-teacher workers from private schools was selected, what is the probability that between 78% and 86% were non-teacher workers from private schools? 0.2798 0.7202 0.7695 0.2925 0.2305

Answers

The  probability that between 78% and 86% were non-teacher workers from private schools is 0.7689

Eighty-four percent of non-teacher workers were employed in private schools.

p = 0.84

q = 1 - p = 1 - 0.84 = 0.16

if a random sample of 200 non-teacher workers from private schools was selected

We need to find the  probability that between 78% and 86% were non-teacher workers from private schools.

n = 200

μρ = 0.84

αp = √(p(1 - p)/n) = √(0.84(0.16)/200) = 0.026

P(0.78 < P < 0.86) = P((0.78 - 0.84)/0.026 < (p - μp)/σp < (0.86 - 0.84)/0.026)

= P(-2.31 < z < 0.77)

= P(z < 0.77) - P(z < -2.31)

using z table

0.7794 - 0.0103

= 0.7689

Therefore, the  probability that between 78% and 86% were non-teacher workers from private schools is 0.7689.

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Find X and Y I WILL MARK BRAINLIEST

Answers

Answer:

x = 40°

y = 35°

Step-by-step explanation:

Let us take two triangles ∆ABC and ∆ADE

We know that, in a triangle the sum of all angles is equal to 180°

So,

For the traingle ABC

m∠A = 80°m∠B = 60°m∠C = x°

Now,

m∠A + m∠B + m∠C = 180°

80° + 60° + x° = 180°

140° + x° = 180°

x° + 140° - 140° = 180° - 140°

x = 40°

For the triangle ADE

m∠A = 80°m∠D = 65°m∠E = y°

Now,

m∠A + m∠D + m∠E = 180°

80° + 65° + y° = 180°

145° + y° = 180°

y° + 145° - 145° = 180° - 145°

y = 35°

Thus, The value of x and y is 40° and 35° respectively

the nth term of this sequence: 1/2,4/3,9/4,16/5
URGENT

Answers

Answer: [tex]\frac{n^{2} }{n+1}[/tex]

Step-by-step explanation:

The numerator (top digit) are squares. For example,

1 is [tex]1^{2}[/tex]

4 is [tex]2^{2}[/tex]

9 is [tex]3^{2}[/tex]

and so on.

The bottom digit increases by one.

Therefore, the Nth term would be that number (N) squared on the numerator, and n+1 on the denominator.

The table shows values for functions f(x) and g(x) .

x=-2
x=-1
x=0
x=1
x=2

Answers

The solution to the equality of the functions f(x) and g(x) are;

At x = 0 and x = 1

How to find the point where the functions are equal?

We are given the functions as;

f(x) = 3ˣ and g(x) = 2x + 1

Now, we want to find the point at which the functions f(x) and g(x) are equal. This is;

f(x) = g(x)

Thus, from the graph, we can see that;

When x = 0, f(x) = 1 and g(x) = 1

Similarly, when x = 1, f(x) = 3 and g(x) = 3

Thus, these are the points where f(x) is equal to g(x)

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6. Leah is reading a book that is 646 pages long. She is currently on page
340. If she wishes to finish reading the book in the next 17 days and reads
the same number of pages each day, how many pages per day should she
read in order to meet her goal?

Answers

Answer: 18

This is because you need to find the number of pages she didn’t read yet (which you do 646-340) which is 306.
To find the number of pages she need to read in the 17 days you have to do (306 divided by 17) which is 18.
Meaning that she has to read 18 pages each day to meet her goal.

a campfire girls troop has 14 members. in how many different ways can the leader appoint 3 members to clean up camp?

Answers

The leader of the campfire girls troop can appoint 3 out of 14 members to clean up the camp in 364 ways.

The number of members in the campfire girls troop

= 14

The number of members the leader of the campfire girls troop can appoint at a time = 3

The number of ways to appoint r members out of n members

= nCr = n!/(r)!×(n-r)!

Therefore, the number of ways in which the leader of the campfire girls troop can appoint 3 out of 14 members to clean up the camp

= 14C3 = 14!/(3)!×(14-3)! = 364 ways

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I NEED HELP ASAP!!
Alex rides his bike to visit two
friends and returned home. Interpret the graph to answer questions about his activities.

1. How long did it take Alec to get to his friends house?

2. How long did he stay at his first friends house?

3. How long did it take alec ti ride his bike from his first friends house to his second friends house?

4. How much longer did alec stay at his first friends house than at his second friends house?

5. In which parts of the graph is alec riding his bike toward his home?

6. In which parts of the graph is alec traveling the fastest?

7. How long was alec away from his house?

Answers

Answer:

1 hour

Step-by-step explanation:

Answer: 1hour

Step-by-step explanation: lol

Evaluate the iterated integral. The first integral is 0 to 2 and the second integral is 2 to 3. xy^2 dx dy. Please show step by step with detail. Thanks

Answers

The value of the iterated integral is equal to 24. In general, when evaluating iterated integrals, it is important to remember to integrate with respect to the outer variable first, and then with respect to the inner variable. This will ensure that the resulting value of the integral is correct.

To evaluate this iterated integral, we need to integrate with respect to the outer variable first, and then with respect to the inner variable. In this case, the outer variable is x and the inner variable is y.

We can write the iterated integral as:

∫₀² ∫₂³ xy² dx dy

To find the value of this integral, we first need to evaluate the inner integral with respect to x. We can do this by taking the integral of xy² with respect to x from 0 to 2, which gives us:

∫₀² xy² dx = [x³y² / 3]₀² = (2³ * 3²) / 3 = 24/3

Now that we have found the value of the inner integral, we can evaluate the outer integral with respect to y. We can do this by taking the integral of 24/3 with respect to y from 2 to 3, which gives us:

∫₂³ (24/3) dy = [24y / 3]₂³ = (24 * 3) / 3 = 24

Therefore, the value of the iterated integral is equal to 24.

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Data that are left-skewed would include:
O values that are unusually low.
O values that are unusually high.
O values that are symmetrically distributed.
O values that are all less than the median.

Answers

Data that are left-skewed would include values that are unusually high.

What is meant by symmetry of data?

A data is symmetric when it has a mirror image on both sides of the mean. For a symmetric data the mean = mode = median.

What is left-skewed data?

If the data is asymmetric, it can either be left-skewed or right-skewed. A left-skewed data has mots of its values greater than the mean. In this case the mean < median < mode. Left-skewed data mostly contains very less amount of values with smaller magnitudes.

Hence, data that are left-skewed would include values that are unusually high.

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we want to test the hypothesis: the fraction of people with severe depression is higher in country a than in country b. we have chosen the statistic of interest to be (fraction of depressed people in country a divided by fraction in country b). we call this ratio r. what is the null hypothesis?

Answers

The null hypothesis is R = 0

In this question we have been given a hypothesis that the fraction of people with severe depression is higher in country a than in country b.

We need to test the hypothesis.

Suppose that we have chosen the statistic of interest to be PAPB.

Let the ratio R be the fraction of depressed people in country a divided by fraction in country b

We need to find the null hypothesis.

We know that the null hypothesis as statement says that  there is no relationship between two measured variables/phenommena.

In this case, for null hypothesis the ratio must be zero.

Therefore, for given situation the null hypothesis is R = 0

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The complete question is:

We want to test the hypothesis: the fraction of people with severe depression is higher in country A than in country B.

We have chosen the statistic of interest to be PAPB (fraction of depressed people in country A divided by fraction in country B). We call this ratio R.

What is the null hypothesis?

Group of answer choices

1 R=0

2 R=1

please helpits 7th grade math im just bad at math

Answers

Answer:

10

Step-by-step explanation:

the answer is 10 because of everything I did

How long will it take for $4600 to grow $29900 at an interest rate of 4.8% if the interest is compounded continuously? Round the number of years to the nearest hundredth.

YALL PLS ANSWER ASAP, IM TAKING A TIMED ASSIGNMENT

Answers

It will take about 39 years for a principal of $4600 to grow to $29900 continuously compounded

Compound Interest

Compound interest is the interest calculated on the principal and the interest accumulated over the previous period. It is different from simple interest, where interest is not added to the principal while calculating the interest during the next period.

The formula to calculate compound interest is given as

A = P(1 + r/n)^nt

A = Pe^rt (Continuously compounded)

A = Final amountP = principalr = raten = number of times compounded t = time

Let's substitute the values into the formula and solve

29900 = 4600e^(0.048 * t)

t = 39 years

The time it takes to compound the principal to $29900 is approximately 39 years

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what is the potential difference between the center of the sphere and the surface of the sphere?

Answers

Possible distinction between  the center of the sphere and  surface of the sphere is

A notable distinction is made by the fact that the surface is three-dimensional, while the sphere's centre is a (non-dimensional) point, and that their values are independent of one another.If the sphere is a conducting hollow sphere, its centre and surface have the same potential. A perfect conductor has no electric field at all.A dielectric sphere's core has zero potential, while the surface has a potential of KQ/(R).

The sphere is one of the most significant mathematical figures. Spheres and nearly-spherical objects can be seen in both nature and industry.

Soap bubbles and other bubbles have a spherical shape when they are in an equilibrium state. The celestial sphere is a fundamental concept in astronomy, and the Earth is usually represented as spherical in geography.

The majority of pressure vessels, curved mirrors and lenses, and other manufactured items are based on spheres. Because spheres roll effortlessly in all directions, the majority of balls used in sports and toys are spherical, just like ball bearings.

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what is the rate of change?

Answers

the slope goes by several names

• average rate of change

• rate of change

• deltaY over deltaX

• Δy over Δx

• rise over run

• gradient

• constant of proportionality

however, is the same cat wearing different costumes.

to get the slope of any straight line, we simply need two points off of it, let's use those two in the picture below.

[tex](\stackrel{x_1}{50}~,~\stackrel{y_1}{45})\qquad (\stackrel{x_2}{70}~,~\stackrel{y_2}{61}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{61}-\stackrel{y1}{45}}}{\underset{run} {\underset{x_2}{70}-\underset{x_1}{50}}} \implies \cfrac{ 16 }{ 20 } \implies {\Large \begin{array}{llll} \cfrac{4 }{ 5 } \end{array}}[/tex]

simplify value of 3a-2

Answers

Nothing further can be done with simplifying the given expression.

What equals number nineteen

Answers

13+16 are the numbers that equals to 19.

What is equal number?

The equal sign in the  mathematics describes by  equality between the values,. Of the  equations, or expressions are the  written on both sides. There symbol for equal to is two be the  small horizontal lines placed to parallelly. We place the to the  'equal to' sign is between two things that are to the same or equal.

As we know,

If two things are equal or if one thing is equal to the  another, they are the same or  in the size, number, standard, or values .

As per the question we have to find equal number of 19.

So 13+6 are the equal number that equals to 19.

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f(x) = x + 1, and g(x) = 2x.
then
g(f(x)) = [? ]x+[?]

Answers

Answer: 2x + 2

Step-by-step explanation:

The composition of two functions f and g, denoted g(f(x)), is a new function that is obtained by substituting the function f(x) into the function g(x) in place of x.

In this case, f(x) = x + 1 and g(x) = 2x. Substituting f(x) into g(x) in place of x gives us g(f(x)) = 2(x + 1) = 2x + 2.

Therefore, the final expression for g(f(x)) is 2x + 2. The coefficient of x is 2, and the constant term is 2.

this is a very interesting question

1. find the formula for an exponential function that passes through the points (-1, 3/2) and (3, 24).

Answers

The formula for an exponential function is y = 45/8x + 57/8.

Here we have to find the formula for an exponential function that passes through the points.

Given data:

The two points are (-1, 3/2) and (3, 24).

We need to find the slope of the line. So,

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

m = (24 - 3/2) / ( 3+ 1)

   = 45/ 8

The general equation of a line:

y = mx + c

Now putting the value of x and y as -1 and 3/2 and m = 45/8.

3/2 = -1 × 45/8 + c

c = 57/8

Now we get the equation:

y = 45/8x + 57/8

Therefore the equation is y = 45/8x + 57/8.

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Michael picks cucumbers from his garden and bags them up to give to his neighbors. He starts with 40 bags of cucumbers and gives out 8 bags per hour until there are none left. Use the Segment tool to plot a graph representing the number of bags of cucumbers Michael has left to give away from the time he starts giving them away until he has no bags left.

Answers

You would start at points (0, 40) and then move to (1, 32), (2, 24), (3, 16), (4, 8), and (5, 0) because he gives out 8 bags per hour.

What is a line graph?

An informational shift over time is graphically represented by a line graph. It is a graph that was created by connecting points with line segments.

Michael starts with 40 bags of cucumbers and gives out 8 bags per hour until there are none left.

Michael starts giving them away until he has no bags left.

To create the graph we need coordinate points to locate on the graph.

So initially he has 40 bags and gives away 8 bags for every 1 hour.

The number of bags will be represented on the y-axis, and the number of hours will be represented on the x-axis.

 

The coordinates are:

x-axis           y-axis

  0                 40

  1                  32

  2                 24

  3                  16

  4                   8

  5                   0

Hence, you would start at points (0, 40) and then move to (1, 32), (2, 24), (3, 16), (4, 8), and (5, 0) because he gives out 8 bags per hour.

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1. The line of best fit for a data set is y = 1.1x + 3.4. Find the residual for each of the coordinate pairs, (x, y).
a. (5,8.8)
b. (2.5,5.95)
c. ((0,3.72)
d. (1.5,5.05)
e. (-3,0)
f. (-5,-4.86)

Answers

The residual for each of the coordinate pairs, (x, y) are-

a) -3.1; b) -0.2; c)  0.32; d) 0; e) -0.1; f) -6.96.

Explain the term line of best fit?A straight line which minimizes the gap between it and certain data is called a line of best fit. In a scatter plot containing various data points, a relationship is expressed using the line of best fit. It is a result of regression analysis as well as a tool for forecasting indicators and price changes.

For the stated question;

Data is given by the line of best fit as;

y = 1.1x + 3.4

Then, the residual for the given coordinates are found as;

Residual = y - (1.1x + 3.4)

a. (5,8.8)

Residual = 5.8 - (1.1(5) + 3.4)

Residual = -3.1

b. (2.5,5.95)

Residual = 5.95 - (1.1(2.5) + 3.4)

Residual = -0.2

c. ((0,3.72)

Residual = 3.72 - (1.1(0) + 3.4)

Residual = 0.32

d. (1.5,5.05)

Residual = 5.05 - (1.1(1.5) + 3.4)

Residual = 0

e. (-3,0)

Residual = 0 - (1.1(-3) + 3.4)

Residual = -0.1

f. (-5,-4.86)

Residual = -4.86 - (1.1(-5) + 3.4)

Residual =  -6.96

Thus, the residual for each of the coordinate pairs, (x, y) are found.

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he national flufferball association decides to implement a drug screening procedure to test its athletes for illegal performance enhancing drugs. 3% of the professional flufferball players actually use performance enhancing drugs. a test for the drugs has a false positive rate of 2% and a false negative rate of 4%. in other words, a person who does not take the drugs will test positive with probability 0.02. a person who does take the drugs will test negative with probability 0.04. a randomly selected player is tested and tests positive. what is the probability that she really does take performance enhancing drugs?

Answers

The probability is it that she actually uses performance-enhancing drugs is 0.5975.

Given that,

The national flufferball association makes the decision to put in place a drug testing programme to check its athletes for the use of illicit performance-enhancing substances. In reality, 3% of professional flufferball players abuse performance-enhancing substances. A drug test has a 2% false positive rate and a 4% false negative rate. Alternatively, a person who abstains from drug use has a 0.02 percent chance of testing positive. With a 0.04 probability, a person who uses the medications will test negative. A player is tested at random, and the results are positive.

We have to find how probable is it that she actually uses performance-enhancing drugs.

We know that,

The provided data is

P(D)=0.03

P(D')=1-0.03=0.97

P(T|D')= 0.02

P(T'|D)=0.04

P(T|D)=1-P(T'|D)=1-0.04=0.96

The probability that she really takes the drugs is,

P(D|T)=P(D)P(T|D)/P(D)P(T|D)+P(D')P(T|D')

P(D|T)=(0.03×0.96)/(0.03×0.96)+(0.02×0.97)

P(D|T)=0.5975

Therefore, The probability is it that she actually uses performance-enhancing drugs is 0.5975.

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