a large study used records from canada's national health care system to compare the effectiveness of two ways to treat prostate disease. The two treatments are traditional surgery and a new method that does not require surgery. The records described many patients whose doctors had chosen each method. The study found that patients treated by the new method were significantly more likely to die within 8 years. You have 300 prostate patients who are willing to serve as subjects in an experiment to compare the two methods. Describe a completely randomized design for this experiment. Write a few sentences describing how you would implement your design.

Answers

Answer 1

Answer:

To order to obtain the outcome, researchers should provide the health outcomes of every other process. Below however is the clarification given.

Step-by-step explanation:

Researchers are gathering medical reports from 200 surgeons as well as 200 non-surgeons who use surgical care. For such individuals, the researchers report ten-decade health outcomes as well as to measure which group lasts longer.These are ended up finding, as stated in the above research article, that patients treated by either a particular technique are more likely to suffer in less than 8 years.


Related Questions

Yeah, I'm stupid.
Someone explain cause I'm not understanding

Answers

We can tell that the whole L shaped angle is 90 degrees because it has the little box in the corner. Now, the 90 degree angle is split into two parts with that line coming from the box. Those two parts of the whole 90 degree angle add up to 90 degrees.

90 = 4v + 2 + 9v - 3

Now, let's solve for v. Combine like terms.

90 = 13v - 1

Add 1 to both sides.

91 = 13v

Divide both sides by 13

7 = v

What are 3 words that can be associated with positive numbers?

Answers

Gain,profit, increase

Pleas help me complete this question
The answer should be —-students

Answers

Answer:

1.1 × 10^ 4

Step-by-step explanation:

Answer:

2.7*10^4 - 3.7*10^3

=10^3[2.7*10-3.7]

=10^3 [27-3.7]

=10^3 *23.3

=2.33*10^4

Hope this helps!!

47 426 round to the nearest thousands​

Answers

Answer:

47 000

I hope this helps

Need to know ASAP thank u!!!

Answers

The answer is 50mph..?.!.?.?

James wanted to know if Earth and Mars added together were as big as Jupiter.
Earth is 1.28 X 1007 m
Mars is 6.79 X 10^6 m
jupiter is 1.43 X 10^8 m
Add the diameters of earth and Mars to see if they are bigger than Juipter. Show your work
+

Answers

Answer:

Mars is 6.79 X 10^6 m

Step-by-step explanation:

Mars is at a distance of 206,600,000 km from the Sun at perihelion At aphelion, Earth is at a distance of 152,100,000 km from the Sun. This is a difference of 54,500,000 km, or 34,000,000 miles.  

Answer:

Mars is 6.79 X 10^6 m

Step-by-step explanation:

Make him brainliest!

You have a party of four that requested separate checks. The table's checks were for $35, $28, 942, and $22. With tips
you collect $144 from the table. Tips of over 15% indicate the service is good. Did tipping indicate good service at this table?
a) Yes
b)No

Answers

Answer:

No

Step-by-step explanation:

Answer: no

The total bill amounts up to $1,027.00. Fifteen percent of $1,027.00 is $154.05. The waiter received $144.00. Therefore she did not indicate good service.

Plz mark brainliest:)

Solve: x3 = 27

A) X = 3

B) X= 3 and x = -3

C) X = 9

D) X = 9 and x = -9

Answers

Answer:

C

Step-by-step explanation:

27/3=9

Just do cube root of 27.

x has to equal 3 because -3 cubed is -27, 9 cubed is 729, and -9 cubed is -729.

X = 3, The answer is choice A.

#1
5.4
- This table of values represents a linear function.
х
у
-5
NIN
-1
5
) Enter an equation in the form of y = mx + b that represents the function.
7
8
9
-
Х
у

Answers

Answer: the answer is choice b

Step-by-step explanation:

What is the difference between midpoint and perpendicular bisector?

Answers

Answer:The midpoint can be any middle part of a line, and the perpendicular Bisector is can only be 90 degrees.

The water level in a bathtub is directly proportional to the time that the water has been running. If the water level is 4 inches after 5 minutes, what is the water level after 9 minutes? O A. 10 inches O B. 7.2 inches O C. 8 inches OD. 11.25 inches​

Answers

Answer:

i think its 8

Step-by-step explanation:

becuse 4/5 its equal to 8/9 so thats why.

denada✌

PLEASE LOOK AT THE IMAGE ATTACHED ITS VERY IMPORTANT

Answers

Answer:

Step-by-step explanation:

So, you wanna be a master?

Do you have the skills to be number 1?

(If not, I'll help you lol)

Okay, let's define what a circumference is.

Circumference - The entire outside of a circle, think of it as the "perimeter" of the circle, like how there is a perimeter for a triangle or square.

The equation for finding the circumference is as follows:

[tex]2\pi r[/tex]

r - the radius, or half-way line is a circle.

So, you see the number thats on a half way line in the circle? That is the radius. All you have to do is plug in that number into the equation (for r), and you get the answer.

#3

r = 15

[tex]2\pi (15) = 30\pi \\[/tex]

Now use a calculator and type in 30, then times it by pi (which is this symbol: [tex]\pi[/tex])

Circumference = 94.248

#4

r = 10

[tex]2\pi (10) = 20\pi \\[/tex]

Circumference = 62.832

Your friend really wants to buy the newest cell phone which will cost him $750. He gets a job detailing cars and SUVs and plans to save all the money he earns. If he gets paid $55 to detail a car and $70 to detail an SUV, what linear inequality can be used to determine how many of each he must detail in order to earn at least $750?
A: 55c+70x [tex]\leq[/tex] 750
B: 55c+70x > 750
C: 55c+70x [tex]\geq[/tex] 750
D: 55c+70x < 750

Answers

Answer:

C, 55c + 70x  ≥ 750

Step-by-step explanation:

He needs a minimum of $750.

The equation 55c + 70x 750 can be used to calculate how many of each he needs detail in order to make at least $750. The right answer is A.

What is inequality?

When two expressions are connected by a sign like "not equal to," "greater than," or "less than," it is said to be inequitable. The inequality shows the greater than and less than relationship between variables and the numbers.

Given that,

Number of cars = c

Number of SUVs = x

Amount paid for detailed car = $55

Amount paid for detailed SUV = $70

Cost of coolest cellphone = $750

The inequality for the given data will be written as below,

(Amount paid for detailed car × Number of cars) + (Amount paid for detailed SUV × Number of SUV) ≤ Cost of coolest cellphone

55c + 70x ≤ 750

Therefore, the equation 55c + 70x 750 can be used to calculate how many of each he needs detail in order to make at least $750. The right answer is A.

Learn more about inequality:

brainly.com/question/25275758

#SPJ2

2/3x+3/4=8 what is the answer

Answers

Answer:

x=87/8

Step-by-step explanation:

2/3x=8-3/4

2/3x=32/4-3/4

2/3x=29/4

x=29/4*3/2

x=87/8

Mai purchased a prepaid phone card for $25. Long distance calls cost 19 cents a minute using this card. Mai used her card only once to make a long distance call. If the remaining credit on her card is $22.34, how many minutes did her call last?

Answers

14 minutes

25-22.34
2.66 / 0.19
=14

HELP PLS FAST PLEASE HELP ME AHHH PLEASE

Answers

Answer:

Function 1 has a greater slope and greater y-intercept than Function 2.

Step-by-step explanation:

Function 1

Slope: 1/3

y-intercept: 2

Function 2

Slope: -2/4

y-intercept: -2

What is the solution to this equation?
4x - 6 + 2x = 18
A. x= 4
B. x= 12
C. x= 2
O D. x= 6
SUBMI

Answers

Answer:

Think

Step-by-step explanation:

4x - 6 + 2x = 18

You are solving for x so obviously you have to have your x variable on one side of the equal sign by itself.

So how do you do that? Combine the same calues together and seperate the rest

4x + 2x = 6x

6x = 18 + 6

6x = 24

x = 3

Practice practice practice. Simple stuff. You got this!

Answer:

A. x = 4

Step-by-step explanation:

To answer this question, we first have to combine like terms:

4x - 6 + 2x = 18

6x - 6 = 18

Now, we take away 6 from the left side and add it to the right side:

6x - 6 = 18

     +6   +6

6x = 24

Then, we isolate the variable:

6x = 24

/6     /6

x = 4

Hope this helps :)

Solve: (step by step please)
x^2+9x+9=0

Answers

Answer:

[tex]x=\frac{-9\pm3\sqrt{5} }{2}[/tex]

Step-by-step explanation:

Standard Form: ax² + bx + c = 0

Quadratic Formula: [tex]x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex]

Step 1: Write equation

x² + 9x + 9 = 0

Since we cannot factor the expression, we will have to use the quadratic formula.

Step 2: Define

a = 1

b = 9

c = 9

Step 3: Solve for x

Substitute: [tex]x=\frac{-9\pm\sqrt{9^2-4(1)(9)} }{2(1)}[/tex]Evaluate: [tex]x=\frac{-9\pm\sqrt{81-36} }{2}[/tex]Evaluate: [tex]x=\frac{-9\pm\sqrt{45} }{2}[/tex]Simplify: [tex]x=\frac{-9\pm3\sqrt{5} }{2}[/tex]

Answer:

 X1= -9-3[tex]\sqrt5[/tex]  over 2    X2= -9+3[tex]\sqrt5[/tex] over 2  (draw a line under the -9 to the 5

                                                                         and put a 2 under like a fraction

                                                                          i cant get the line all the way

                                                                          across on here   sorry

Step by step explanation:

x= -9 [tex]\sqrt9^2 -4x1x9[/tex]    Over (draw a line under that) Put all that under sq root

             2 x 1                        also

x= -9+ [tex]\sqrt81-36[/tex]         Over 2

           2

x= -9 + [tex]\sqrt45[/tex]                 Over 2

         2

x=-9 +3[tex]\sqrt5[/tex]                   Over 2

        2

separate solutions    gives your answer above  

Also ......note ..... put a line under each  + sign  ok I worked hard getting this all down best i can

Indira makes a graph to show how many pages of her graphic novel she can
illustrate each day.

a. What is the constant of proportionality for the relationship between
pages and days?

b. Write an equation to show the relationship between pages and days.

Answers

Answer:

a). k = 0.75

b). y = 0.75x

Step-by-step explanation:

a). Graph is showing the relation between number of pages (P) illustrated by Indira and number of days taken (D).

   P ∝ D

   P = kD

   Where 'k' is the proportionality constant.

   k = [tex]\frac{P}{D}[/tex]

  From the graph attached,

  For a point with ordered pair (2, 1.5),

  k = [tex]\frac{1.5}{2}[/tex]

  k = 0.75

b). Equation representing the relation between number of pages and number of days will be,

  P = 0.75D

  y = 0.75x

plz answer if u can :P

Answers

Answer:

d

Step-by-step explanation:

sqaure root of both times each other gives 5

D is the correct answer for your question it’s correct

|8x+3|=12 what’s the answer

Answers

Answer:

x= 9/8 , -15/8

Step-by-step explanation:

Answer:

x = 1.125 , x = 9/8

Step-by-step explanation:

|8x+3| = 12

=> 8x + 3 = 12

=> 8x = 12-3 = 9

=> 8x = 9

=> x = 9/8

As 9/8 is a fraction let's make it a decimal.

9/8 * 125/125 (To make it into a power of ten so that we can convert)

=> 1125 / 1000

=> 1.125

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

Which feature of the Earth is shown below and is created by farge amounts of in our core?

Answers

Answer:

C) Earth's Magnetic Field.

Step-by-step explanation:

Those lines are representing the magnetic pulls/fields that go around the Earth. Another clue that is given is the N and S, which represent North and South, which pertains to the north pole and south pole. These poles have a lot of magnetic fields around them.

Answer:

b MAntle convection currents

3/4 divided by 1/8 show work pls

Answers

Answer:

7

Step-by-step explanation:

a fraction divided by a fraction can be multiplied by the reciprocal. so...

instead of 3/4 ÷ 1/8, you do

3/4 * 8/1 which equals

24/4 which equals

6

Answer:

6

Step-by-step explanation:

3/4 ÷ 1/8 = 3/4 × 8/1 = 24/4 =6

*8×3=24 *4×1=4

*24÷4=6

There were 28 boys on the boy's basketball team and 16 girls on the girl's basketball team last year. This year the number of boys decreased by 8% but the number of girls increased by 19%. Was there an increase or decrease in overall participation?

Answers

I’m pretty sure it decreased, apologies if I got this wrong

The sum of participants last year was 44 students, but this year was only 37.80 participants.

There is an increase in total participants.

What is unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

number of boys = 28

Number of girls = 16

Total participants = 28 + 16 = 44

Now, there is decrease in number of boys by 8%

= 28- 8%  x 28

=28- 8/100 x 28

=28 - 0.08*28

=28 -2.24

= 25.76

and, there is 19% increase in number of girls

=16 + 0.19 x 16

=16 + 3.04

=19.04

So, total participants = 25.76 + 19.04

= 44.8

Hence, there is an increase in total participants.

Learn more about unitary method here:

https://brainly.com/question/22056199

#SPJ2

Simplify 5 square root -48^14

Answers

Answer:

20b^7 sqrt(-3)

find the area of a Semicircle whose radius is 3.5 cm (take pi as 22/7

Answers

Answer:

TSA=115.5cm²

Step-by-step explanation:

T.S.A=3πr²

Given r=3.5cm

eq.

3×22/7×3.5×3.5

=3×22×0.5×3.5

=115.5cm²

Answer:

[tex]19.25cm^{2} \\[/tex]

Step-by-step explanation:

Formula

[tex]\frac{\pi r^{2} }{2}[/tex]

Solve

[tex]\frac{(\frac{22}{7} )(3.5cm)^{2}}{2}= \frac{(\frac{22}{7} )(3.5cm)(3.5cm)}{2}=\frac{((\frac{22}{7} )(3.5cm))(3.5cm)}{2}=\frac{(\frac{77}{7}cm)(3.5cm) }{2}[/tex]=

[tex]\frac{(11cm)(3.5cm)}{2}=\frac{38.5cm^{2}}{2}=19.25cm^{2}[/tex]

Express 2101 three to base 10

Answers

Answer:

2101=64...............

Identify the type of function represented by f(x) = 3(1:5)*.
A. Quadratic
B. Linear
C. Exponential decay
D. Exponential growth

Answers

Answer: Exponential growth

Step-by-step explanation:

Alyssa can do a job in 16
minutes. Adrian will do the
same work in 8 minutes. How
many minutes would it take
Alyssa and Adrian to do the
same job together?

Answers

Answer:

i think it would take them 8 minutes depending on how well they get along.

Amy sold 10 t-shirts and 2 sweatshirts for $56.
Adam sold 5 t-shirts and 3 sweatshirts for $48.
Write a system of equations to represent this
situation. Let x=cost of a t-shirt and y=cost of a
sweatshirt.
Determine the price of one t-shirt and the price
of one sweatshirt.

Answers

Answer:

$3.6 = cost of a t-shirt

$10 = cost of a  sweatshirt

Step-by-step explanation:

Given:

10 t-shirts and 2 sweatshirts = $56.

5 t-shirts and 3 sweatshirts = $48.

x = cost of a t-shirt

y = cost of a  sweatshirt

Find:

Price

Computation:

10x + 2y = 56.......eq1

5x + 3y = 48........eq2

From 2 x eq2

10x + 6y = 96.........eq3

From eq3 - eq1

4y = 40

y = 10

from eq1

10x + 2(10) = 56

10x + 20 = 56

10x = 36

x = 3.6

$3.6 = cost of a t-shirt

$10 = cost of a  sweatshirt

Other Questions
An item is priced at $13.51. If the sales tax is 7%, what does the item cost including sales tax? please help Part 2,because everyone should get a chance! Happy Halloween! just say it back to win points! :D In this excerpt from chapter 6, how is the action initiated? Why is it a good idea to wait at least an hour between eating and exercising?A.Exercising after eating may cause dizziness and fatigue.B.Exercising after eating will make you hungry again as soon as you finish working out.C.Exercising after eating can compromise oxygen and nutrient delivery to muscles.D.Exercising after eating diverts the blood away from the heart. Washington Elementary, which James and Wash also attended, was a shock to her. All of the teachers were black. The classes were more crowded, and the classrooms were less well equipped than those at St. Mary's.In addition, she had a long walk to school. Every day, she passed by Elyton Elementary, the white school that was closer to her home. "My father would always say, One day, black children will be able to go to Elyton." Arnetta wasnt sure she believed that would ever happen.How does the author use third-person narration in this excerpt?to present a contrast between black and white schoolsto describe the peer interaction at Washington Elementaryto explain the laws that maintained racially separate schoolsto share Mr. Streeters plan to integrate the schools GIVING BRAINLISTPLZ ANSWER THIS IF U HAVE READ THE WHOLE BOOK "BREAKING POINT". And can give me a 3-5 sentence summary for chapter 5 The element found in Group 13, Period 2 is ______ a- Al b- Be c- B d- Mg The hairs on Xanders arms just started lying flat against his skin. Which is most likely his internal body temperature? 35C 36C 37.5C 38.5C A woman shoots her husband. Then she holds him underwater for 5 minutes. Finally, she hangs him. However, five minutes later they both go out togethor and have a wonderful dinner togethor. How is this possible? A monkey is swinging from a tree. On each swing, she travels along an arc that is 75%, percent as long as the previous swing's arc. Money, Inc., has no debt outstanding and a total market value of $200,000. Earnings before interest and taxes, EBIT, are projected to be $26,000 if economic conditions are normal. If there is strong expansion in the economy, then EBIT will be 12% higher. If there is a recession, then EBIT will be 25% lower. Money is considering a $65,000 debt issue with an interest rate of 6 percent. The proceeds will be used to repurchase shares of stock. There are currently 10,000 shares outstanding. Ignore taxes for this problem.a-1. Calculate earnings per share, EPS, under each of the three economic scenarios before any debt is issued. (Do not round intermediate calculations and round your final answers to 2 decimal places. (e.g., 32.16))a-2. Calculate the percentage changes in EPS when the economy expands or enters a recession. (Do not round intermediate calculations. Negative amounts should be indicated by a minus sign.)b-1. Calculate earnings per share (EPS) under each of the three economic scenarios assuming the company goes through with recapitalization. (Do not round intermediate calculations and round your final answers to 2 decimal places. (e.g., 32.16))b-2. Given the recapitalization, calculate the percentage changes in EPS when the economy expands or enters a recession. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations and round your final answers to 2 decimal places. (e.g., 32.16)) The empresario from Missouri who settled along the Gulf Coast Plains and the Post Oak Belt was ____________.a.Martn de Lenb.Stephen F. Austinc.Green Dewittd.James PowerAnswer honestly please hello please help will give braainliest Which are the main points of the cell theory? Select all that apply. MARKING THE FIRST PERSON BRAINLIEST AND THANKING YOUPublic schools, hospitals, and fire departments are examples of what purpose of government? Please help I will mark brainliest What is the financial responsibility within the fashion industry ??!!??!?!?HELPPPP 2b/3-5=3 what is the value of b Describe the environment in which free African Americans were living, including where they settled and the difficulties they encountered. According to the charter, what religious group was not allowed to settle in georgiA) JewishB) BaptistC) catholicD) Methodists A dog has a mass of 19 kg. What is the mass of the dog in grams,expressed in scientific notation