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
4vir4ik [10]
4 years ago
10

In a class of 28 students, 12 earned an A on the final exam, 6 earned a B, 4 earned a C, and the remaining students failed. Base

d on these results, what is the experimental probability that a student will not earn an A or a B?
Mathematics
1 answer:
Sedaia [141]4 years ago
6 0

Answer:

  5/14 ≈ 35.7%

Step-by-step explanation:

(12 +6) = 18 of the 28 students earned an A or a B. So, the experimental probability that a student did not earn that grade is ...

  p(<B) = (28 -18)/28 = 10/28

  p(<B) = 5/14 ≈ 35.7%

You might be interested in
Can someone please help me figure out the value of x. I cant get it​
GrogVix [38]

Answer:

3x°

Step-by-step explanation:

when a triangle is isosceles, the angles at its base are equal.

4 0
3 years ago
Write y = –2/5x – 3 in standard form using integers.
guajiro [1.7K]
The standard form is:
a x + b y = c
y = - 2/5 x - 3  / *5 ( we will multiply both sides of an equation by 5 )
5 y = - 2 x - 15
Answer:
2 y + 5 y = - 15 
6 0
3 years ago
Which of the following is the inequality −18x + 2y ≥ −13 written in slope-intercept form?
Elena L [17]
Hey there! :) 

We're simply just trying to convert "-18x + 2y ≥ -13" into slope-intercept form.

First, we need to know what slope-intercept form is.

Slope-intercept form is : y=mx+b , where m=slope and b=y-intercept.

In order to convert our given equation into slope-intercept form, we have to isolate "y." 

We can do this by adding 18x to both sides.

2y ≥ 18x - 13

Then, divide both sides by 2.

2y ÷ 2 = (18x - 13) ÷ 2

Simplify.

y = 9x - 13/2

Convert -13/2 into a mixed fraction.

So, simply divide -13 by 2.

-13 ÷ 2 = -6.5

Plug in -6.5 into where -13/2 was.

y = 9x - 6.5

Therefore, your answer is C : y ≥ 9x - 6.5

~Hope I helped!~

3 0
4 years ago
Which methods could you use to calculate the y-coordinate of the midpoint of a vertical line segment with endpoints at (0, 0) an
Tcecarenko [31]
The y-coordinate of the midpoint of a line segment is the average of the y-coordinates of the endpoints of the line segment.

This is: call y1 the y-coordinate of one endpoint and y2 the y-coordinate of the other endpoint of the line segment, then the midpoint is [y1 + y2] / 2.

The method, then, is to add the two y-coordinates and divide by 2.

For the vertical line segment with endpoints  (0,0) and (0,15) theprocedure is [0 + 15] / 2 = 15/2 = 7.5, and the result is 7.5
4 0
3 years ago
How do you write a equation using a exponent
OleMash [197]
Expand the equation
 for example 8 (to the second power)
8 times 8(is your equation)
Hope I helped :)
5 0
3 years ago
Other questions:
  • 65006500 is 666 thousands plus 555 hundreds.
    10·1 answer
  • The average polar bear weighs 1,200 pounds. The average grizzly bear weighs 800 pounds. The average black bear weighs 400 pounds
    12·1 answer
  • What are the solutions of the quadratic equation?
    9·2 answers
  • Fish food is $3.50. An aquarium is $10.00. A filter system costs $9.95. Gravel and plants are $6.25. Mike has $30.00 to spend. H
    10·1 answer
  • What is the volume of the square pyramid ?
    9·2 answers
  • The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 10.4 years; the standard devia
    13·1 answer
  • Help plz i need help with this please provide an explanation
    14·1 answer
  • Need help #3. The answer is shown, but I don’t know how to get to the answer. Please teach and show steps.
    8·1 answer
  • Mathematics help quickly if its wrong ill get beat
    13·1 answer
  • What is the slope?<br> Answers<br> 1/5<br> 3/5<br> 6/5<br> You can only pick one
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!