Roger completes a quiz with these rules: 5 points are given for each right answer, 2 points are lost for each wrong ans. Roger gets 6 questions correct and 4 questions wrong. What is roger's final score ?

Answers

Answer 1

Answer:

The final score of Roger is 22.  

Step-by-step explanation:

The final score (F) of Roger is given by:

[tex] F = 5R - 2W [/tex]

Where R is the right answers and W is the wrong answers

Since he gets 6 questions correct (R = 6) and 4 question wrong (W = 4) we have:

[tex] F = 5R - 2W = 5*6 - 2*4 = 22 [/tex]

Therefore, the final score of Roger is 22.    

I hope it helps you!                              


Related Questions

please help 100 points

Answers

I could be wrong but if she spends $1 each day for chips. She would have 25¢ extra. And she buys 5 bags per week then she would have $1.25 per week. Add that into a graph to get a final answer.

Graph:
X| Y
1 | .25
2| .50
3| .75
4| 1.00
5| 1.25



Answer:

thx

Step-by-step explanation:

:P HELLLP what is (13x20)5+6 = ___ - 1/3.

Answers

Answer: 1304.7

Step-by-step explanation: just took test

13x20. 5 + 6 = 11?
^. ^
260 11

In ΔIJK, ∠K ≅∠J, IJ = 9 and JK = 10. Find the length of KI.

Answers

Answer:

KI = 9

Step-by-step explanation:

In ΔIJK,

∠K ≅∠J (given)

Therefore,

IJ ≅ KI (sides opposite to equal angles are equal)

Since,

IJ = 9

So,

KI = 9

Multiply:
x (x^2+2x+4) and -2 (x^2+2x+4)

Combine like terms.

Final Answer:

Answers

Answer:

x^3-8

Step-by-step explanation:

x^3+2x^2+4x + -2x^2-4x-8

+2x^2 and -2x^2 cancel out

+4x and -4x cancel out

8a x 2b ÷ 4c =
(I don't get it) ​

Answers

Answer:

The solution of the given equation is not possible. Because different variables never multiply or divide

Use long division to calculate 276 ÷ 15

Answers

Answer:

18.4

Step-by-step explanation:

The body mass of a bird?
A) categorical
B)Discrete
C)continuous

Answers

Answer:

Categorical

Step-by-step explanation:

What is the constant of proportionality for the relationship shown in this table?

x 1 2 3 4
y 4 8 12 16

14

4

8

16

Answers

Answer:

4

explanation:

I took the test

The constant of proportionality  is 4.

What is constant of proportionality?

The constant value of the ratio between two proportional quantities is the constant of proportionality. When either their ratio or their product gives a constant, two varying quantities are said to be in a relation of proportionality. The type of proportion between the two given quantities determines the value of the proportionality constant: Variation in both a direct and inverse manner.

given relation

x 1  2  3  4

y 4 8 12 16

the equation is

y = 4x

1 * 4 = 4

2 * 4 = 8

3 * 4 = 12

and so on...

Hence the constant is 4.

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3x −4 = 11 what is the answer

Answers

Answer:

x=5

Step-by-step explanation:

Answer:

the answer is x=5                              

find the equation for the line​

Answers

Answer:

y = 1/2x + 1.5

Step-by-step explanation:

first find the slope and then put it in y= x+b

you can see that to get from (-1,1) to (1,2) you must go up one and over two

slope is = rise over run --> rise 1 and run 2

the b is were it hit threw the y intercept

if g(x) = 8x -20, find g(-4)

Answers

Answer:

g(-4)= -52

Step-by-step explanation:

g(x) = 8x -20

Substitute -4 for x

g(-4) = 8(-4) -20

g(-4) = -52

y-4=-2(x+3) what's the answer

Answers

Answer:

y=-2x-2

Step-by-step explanation:

y-4=-2(x+3)

Remove parentheses

y-4=-2x-6

Move your constant to the right

4=-2x-6+4

Calculate the sum

y= -2x-2

29 of the first 42 presidents of the United States were lawyers. What percentage of these presidents were lawyers? (Give answer to nearest 1%) Show work

Answers

Answer:

62

Step-by-step explanation:

divide 29 by 42 and multiply the answer by 100

Answer: 69.05%

Step-by-step explanation:

21=50%

10.5=25%

Can someone help me answer these?? Pls I need this by tomorrow

Answers

Answer:

7/8= 0.875

7/20= 0.35

18/20= 0.9

7/8= 0.875

68/50= 1.36

25/20= 1.25

26/25= 1.04

11/10= 1.10

11/16= 0.6875

9/16= 0.5625

33/40= 0.825

23/40= 0.575

14/10= 1.4

29/25= 1.16

39/40= 0.975

Step-by-step explanation:

Answer:

.875, .35, .9, .875, 1.36, 1.25, 1.04, 1.1, .6875, .4375, .825, .575, 1.4, 1.16, .975

Step-by-step explanation:

Divide the nymeratir by the denominator- n÷ d= x

btw I did each rown going down

A 0.0375

B 6

C 60

D 600





Can you help pleaseeee!!

Answers

Step-by-step explanation:

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Y’all I need it by today please


Find the equation of the quadratic function y = ax^2+ bx + c which
passes through the points (-1, 9), (2, 3), and (5, 15).

Answers

Answer:

y=(x-1.5)^2+2.75

Step-by-step explanation:

Hope I could help!

Please help 10 pts!!

Answers

Answer: Any positive number less than 16

The diagram shows AD = 16. Applying a dilation with positive scale factor less than 1, will make the figure shrink. Segment AD becomes smaller, so the new AD will be some length less than 16.

For instance, if you use a scale factor 1/2 = 0.5, then AD = 16 turns into A'D' = 16*0.5 = 8

You work for 4 hours on Saturday and 8 hours on Sunday. You also receive a $50 bonus. You earn $164. How much did you earn per hour?

Answers

Answer:

Step-by-step explanation:

To find the hourly rate, we would first need to take the total earnings and subtract the bonus.

 

$164 - $50 = 114

 

This gives us the total money earned for hourly work.

 

Then we need to add the total hours worked: 4 + 8 = 12.

 

Lastly, we need to take the total money earned and divide it by the total hours worked: 114 / 12 = 9.50 or $9.50 per hour.

 

The equation could look like:

 

4h + 8h + $50 = $165

I need the answer for this, i have posted this multiple times

Answers

Answer:

1st staement, second option 2nd statement 3rd option, 3rd staement, 4th option, 4th statement, 1st option

Step-by-step explanation:

hope this is right!

Mr Sanchez brought in 2 magazines for 9.95

Answers

Answer:

good for Mr. Sanchezbut thats a bit expensive ya know?????/

Step-by-step explanation:

Is there anymore info??

5) Find the equation of the line going through the point (4,1) and
perpendicular to y = - 3x +7

Answers

Answer:

3y=x-1 OR y=⅓x-⅓

Step-by-step explanation:

Lets call the equation y=-3x+7 line l1

the other line passing through (4,1) l2

If two lines are perpendicular,then the product of their roots=-1

That is m(l1)×m(l2)=-1

Slope of l1=-3 therefore slope of l2=-1÷-3=⅓

Now that we have determined the slope of l2 we move on to find it's equation using the point-slope form

y-y1=m(x-x1)

y-1=⅓(x-4)

3y-3=x-4

3y=x-4+3

3y=x-1 OR y=⅓x-⅓

Thomas has finished 50% of an art project that has taken him a total of 9 hours so far. If he continues to work at the same rate, how many hours will it take for him to complete the entire project?

Answers

Answer:

18

Step-by-step explanation:

If he has worked for 9 hours and its 50% done he has to work for 9 more hours to get it finished so he would have worked on it for 18 hours to get it totally finished

Thomas will take a total time of 18 hours to complete the entire project.

What is Percentage?

Percentage of a number is the number of parts of that number in a total of 100. Percentage of a number is found by dividing the number with the whole and then multiply with 100.

Thomas has finished 50% of an art project that has taken him a total of 9 hours.

Let W be the work Thomas has to finish.

Quantity of work Thomas finished in 9 hours = 50% of W

                                                                           = (50/100) × W

                                                                           = 0.5W

Remaining work to complete = W - 0.5 W = 0.5W

Again he has to complete 0.5W of total work W which will take an additional 9 hours.

So the total time taken = 9 + 9 = 18 hours.

Hence the total time needed for Thomas to complete the work is 18 hours.

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how do u do this im confused

Answers

Answer:

Line one answers: -x^2.  2x^2.  0.  5x^2

Line two answers: -x^2.  12x^2.   -2x^2.   8x^2

Line three answers: 4x^2.  8x^2.   -x^2.   x^2

Step-by-step explanation:

Answer:

-x^2.  2x^2.  0.  5x^2

-x^2.  12x^2.   -2x^2.   8x^2

4x^2.  8x^2.   -x^2.   x^2

Step-by-step explanation:

Two tailors, Valentina and Laura, sit down to do some embroidery. Valentina can embroider 2 shirts per hour, and Laura can get through 3 shirts per hour. In addition, the tailors had previously finished some shirts. Valentina has already completed 15 shirts, and Laura has completed 11 shirts. Valentina and Laura decide to take a break when they have finished the same total number of shirts. How many shirts, in total, will each tailor have finished? How long will that take?

Answers

Answer:

Valentina and Laura finished the same total number of shirts in [tex]4[/tex] hours.

Total number of shirts finished by Valentina [tex]=23[/tex]

Total number of shirts finished by Laura [tex]=23[/tex]

Step-by-step explanation:

Suppose that Valentina and Laura finished the same total number of shirts in [tex]t[/tex] hours.

Valentina can embroider 2 shirts per hour and Valentina has already completed 15 shirts.

Total number of shirts finished by Valentina [tex]=2t+15[/tex]

Laura can get through 3 shirts per hour and Laura has completed 11 shirts.

Total number of shirts finished by Laura [tex]=3t+11[/tex]

Therefore,

[tex]2t+15=3t+11\\3t-2t=15-11\\t=4[/tex]

So,

Valentina and Laura finished the same total number of shirts in [tex]4[/tex] hours.

Total number of shirts finished by Valentina [tex]=2(4)+15=8+15=23[/tex]

Total number of shirts finished by Laura [tex]=3(4)+11=12+11=23[/tex]

If a quadratic equation has no real solutions, is it still a function? I don't seem to know why

Answers

Answer:

That’s interesting I would figure isn’t a function because the point of a function is to find the solution but if there is no solu then it has lost its purpose.

amanda had to pay sales tax on a new iphone case she purchased last week. The iphone case was 35.00 and she pid 2.45 in taxes, what percent of the original price did she pay in taxes?

HELP

Answers

Answer:

7%

Step-by-step explanation:

[tex]\frac{2.45}{35} = \frac{x}{100}[/tex]

[tex]2.45*100[/tex] and [tex]35x[/tex]

[tex]\frac{245}{35} = \frac{35x}{35}[/tex]

[tex]245/35=7[/tex]

PLEASE HELP ME ASAPP !! I HAVE 10 MINUTES LEFT !! When Erin first planted the cherry tree in her yard, it was 40 feet tall. Now it is 35% taller. How tall is the tree now?

Answers

Answer: 54 feet tall

Step-by-step explanation:

Answer:

it would be 54 feet tall now

Step-by-step explanation

35% of 40 is 14

40+14=54

54 feet

Express 0.495 in standard form

Answers

Answer:

4.95 x 10^-1

Step-by-step explanation:

4.95 x 10^-1

4.95 x 10^-1 is your answer.

What is the value of -24 + 6?

Answers

Answer:

-18

Step-by-step explanation:

Addition. Hope this helped

Answer:

-18

Step-by-step explanation:

try that, if it's the wrong answer then lmk!

A rule for creating a pattern is given below. Rule: Multiply X by 3. Then subtract 1 from the result to get y.

Answers

Answer:

y=3x-1

Step-by-step explanation:

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