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
viva [34]
3 years ago
13

If eight students scored 100 on a test, twelve scored 90, and eight scored 80, what was the mean of the

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

Answer:

90

if u add them all together and divide by the total number of items like u would add all the numbers and then divide them by 28 and u get ur answer

You might be interested in
I NEED HELP What is 3/10 of $80
borishaifa [10]

Answer:All you need to do is divide 80 by 10, and then multiply 10 by 3

3 0
3 years ago
1. What shapes are formed?
garri49 [273]

Answer:

1.) rectangle and triangle

2.)4 because 2 for each rectangle

3.)yes and a rectangle has 4 vertics and 4 sides and 2 equal lengths

6 0
2 years ago
The length of a rectangular prism is 5 more than twice the width w. The volume of the prism is 2w^3w^2 + 5w. What's the simplifi
alekssr [168]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

<span>The length of a rectangular prism is 5 more than twice the width w. The volume of the prism is 2w^3 + w^2 + 5w. What's the simplified expression for the height of the prism
</span>
<span>V=f(w)
</span><span>2w^3 + w^2 + 5w
</span><span>v=w^2*l
</span><span>svl l=v/w^2
</span>
<span>V=w^2*(2*w+5)
</span>
<span>2w^3 + w^2 + 5w=w^2*(2*w+5)
</span><span>(2*w+5)= (2w^3 + w^2 + 5w)/w^2
w=5/4</span>
5 0
3 years ago
A professional baseball team won 84 games this season.  The team won 14 more games than it lost.  There were no ties.  How many
taurus [48]
If we know that team won 84 games and its 14 more than they lost we can find number of lost game by calculating 84-14=70 - number of games lost
To find number of played match we can just add won and lost games
84+70=154 
3 0
3 years ago
Read 2 more answers
Order each number from lesat to greatest 2/3, -0.6, 0.65, 4/5
blondinia [14]
-0.6, 0.65, 2/3, 4/5.
 
Negatives are always the least. 2/3 equals to 66. 66 is bigger than 65. 4/5 equals to .80. 80 is the largest. 
6 0
3 years ago
Other questions:
  • I need help with 11-14 please!
    13·1 answer
  • A walking path across a park is represented by the equation Y equals negative 2X -7. A new path will be built perpendicular to t
    14·1 answer
  • F(x)=-2|x|-3 find: f(-3) and find: -2f(x)<br><br><br> PLEASE HELP!
    9·1 answer
  • A rectangular prism is 8 inches long, 3 inches wide, and 18 inches high. What is the surface area of the rectangular prism?
    7·1 answer
  • X − 5 = 17<br> A) x = 22 <br> B) x = 12 <br> C) x = 3.4 <br> D) x = -12
    6·1 answer
  • 4 and negative 4 have a sum zero
    12·2 answers
  • Write a linear function f with the given values.<br><br> f(x) =
    6·1 answer
  • 1 $40.00 shirt is on a 10% off sale rack, What is the final price of the shirt 8.25%
    14·2 answers
  • Gavin invests $5,000 in a savings account that pays 3.75% simple interest. How much will be in the account after 6 years if Gavi
    13·1 answer
  • A yacht that travels 1.375 km in 165 minutes expressed in km/h
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!