menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?
asked
Nov 15, 2021
53.7k
views
0
votes
A student evaluated −4 + (−9 1/2) and got an answer of 5 1/2. What might the student have done wrong?
Mathematics
high-school
AniketGM
asked
by
AniketGM
7.6k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
2
votes
Answer:
Never converted -9 1/2 into an improper fraction
Added the two numbers together instead of subtracted
I hope this helps!
Adrian Merrall
answered
Nov 22, 2021
by
Adrian Merrall
7.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org