1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
umka21 [38]
3 years ago
8

To win a trivia game, Nathan must score at least 75 points. Each correct answer is worth 2 1/2 points , and each incorrect answe

r is worth - 1/4 point. If he gets 35 questions correct and 32 questions incorrect, how many points does he have?
Mathematics
1 answer:
Dmitrij [34]3 years ago
3 0

Answer:

He scored 79\frac{1}{2} points.

Step-by-step explanation:

Given:

Number of points for a correct answer = 2\frac{1}{2}

Number of points scored for an incorrect answer = -\frac{1}{4}

Therefore, for 35 correct answers, points scored = 35\times 2\frac{1}{2}=35\times \frac{5}{2}=\frac{175}{2}

Now, for 32 incorrect answers, points scored = 32\times -\frac{1}{4}=-\frac{32}{4}=-8

Therefore, net number of points scored by Nathan is:

\frac{175}{2}-8=\frac{175}{2}-\frac{16}{2}=\frac{175-16}{2}=\frac{159}{2}=79\frac{1}{2}

Therefore, Nathan scored 79\frac{1}{2} points.

You might be interested in
The ratio of pens to pencils in Mrs. Bosworth's desk is 4:1. What does this mean?
anzhelika [568]
If there are 4 pens there will be 1 pencil, if there is 1 pencil there will be 4 pens
If the ratio is factored to a number, let's say 3, then there will be 12 pens for every 3 pencils
4 0
3 years ago
If you rotate a triangle 180 degrees with points of (1,2), (3,3), (1,4) what would the new points be?
alexgriva [62]

Answer: when you rotate the triangle 180 degrees the new points would be (-1,-2), (-1,-4), and (-3,-3).

Step-by-step explanation:

You simply flip the graph 180 degrees. Not that hard.

8 0
3 years ago
Which lists all the integer solutions of the inequality |x| < 3?
Alexus [3.1K]
Simple the answer is c 100% positive 
5 0
3 years ago
Read 2 more answers
Rebecca has 12 photos she wants to hang side by side on her wall.A. If she only wants to display 8 of the photos, in how many wa
Mariana [72]

A.

If she will choose 8 from 12 photos, the total number of ways she can choose is given by a combination of 12 choose 8, since the order of the photos doesn't matter.

The formula for a combination of n choose p is:

C(n,p)=\frac{n!}{p!(n-p)!}

For n = 12 and p = 8, we have:

C(12,8)=\frac{12!}{8!(12-8)!_{}}=\frac{12\cdot11\cdot10\cdot9\cdot8!}{8!\cdot4!}=\frac{12\cdot11\cdot10\cdot9}{4\cdot3\cdot2}=495

So there are 495 ways.

B.

If she wants to arrange the 12 photos, the total number of ways is given by the factorial of 12:

12!=12\cdot11\cdot10\cdot9\cdot8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2=479001600

There are 479,001,600 ways.

C.

Since 10 photos already have specific places, we need to calculate the number of ways to arrange the other two photos in the two remaining places.

In this case, there are only 2 ways of organizing the remaining two photos:

Photo 1 first, photo 2 last, or photo 1 last and photo 2 first.

6 0
1 year ago
When do you use trig functions?
Zielflug [23.3K]
When you have all three sides
7 0
3 years ago
Other questions:
  • Lily is in the business of manufacturing phones. She must pay a daily fixed cost to rent the building and equipment, and also pa
    15·1 answer
  • A set of equations is given below: Equation C: y = 6x + 9 Equation D: y = 6x + 2 Which of the following best describes the numbe
    7·2 answers
  • Explain why the ratio 2 to 5 is different from the ratio 5 to 2 if they both represent the ratio of cats to dogs.
    8·1 answer
  • A salesperson is hired with a commission structure that allows for a 5% commission payment. This can be modeled by the function
    12·1 answer
  • What is the graph of the function f(x) = the quantity of x squared plus 5x plus 6, all over x plus 3?
    10·2 answers
  • The cone shown below has a diameter of 18 centimeters and a height of 12 centimeters. What is the volume of the cone
    9·1 answer
  • I need help I need a better understanding
    14·1 answer
  • Vivian charges $4 for bracelets and $5 for earrings.
    7·1 answer
  • ............°_°.............​
    13·2 answers
  • 2x=12+12<br><br>x????????????​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!