menu
QAmmunity.org
Questions by Ruifeng Ma
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Questions by Ruifeng Ma
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Questions by Ruifeng Ma
Filter
User Ruifeng Ma
Recent activity
All questions
All answers
A) list the real number roots and it’s multiplicityB) domain and range C) degree : 4 D) equation (show work by solving for “a”)
asked
Nov 23, 2023
Mathematics
college
1
answer
2
votes
160k
views
The measures of the exterior angles of a quadrilateral are 2x°, 4x°, 8x°, and 10x°. Find the measure of the smallest exterior angle.
asked
Oct 21, 2023
Mathematics
high-school
1
answer
13
votes
36.4k
views
Find the constant of proportionality k in the equation y=27x
asked
Oct 11, 2023
Mathematics
middle-school
1
answer
5
votes
227k
views
When it was still a young republic during Sam Houston's first term as president, Texas A. had a great deal of money from natural resources. B. had a great deal of money from trade with the U.S. C. was
asked
Jun 3, 2023
History
high-school
1
answer
1
vote
77.0k
views
Graphic linear nonpropotional relationship unsing slope and y-intercept please help
asked
Dec 17, 2022
Mathematics
high-school
1
answer
4
votes
70.8k
views
This is a similar triangle please find the missing length. (?)
asked
Nov 4, 2022
Mathematics
high-school
1
answer
2
votes
169k
views
What is the slope of the line that passes through the points (-2, -5) and (6, 7)? A.3/2 B.2/3 C.-3/2 D.-2/3
asked
Oct 10, 2022
Mathematics
high-school
1
answer
1
vote
169k
views
3. Which of the following is a liability? a) buildings b) accounts receivable c) loan from J. Henry d) equipment
asked
Sep 22, 2022
Business
high-school
1
answer
0
votes
27.7k
views
Is tick an insect? If yes, why? If no, why?
asked
Jun 15, 2022
Biology
high-school
1
answer
3
votes
103k
views
Questions à réponse courte a. Que signifie l'expression « carac- tères sexuels secondaires >>? b. Pourquoi dit-on que l'appareil reproducteur de la femme a un fonc- tionnement cyclique ? c. Quel est le
asked
Jun 11, 2022
French
high-school
1
answer
21
votes
62.8k
views
05. Write the following sentences in past tense. 01. I have some money. 02. She sings songs well. 03. They are playing cricket... 04. You have given money. 05. He has to speak English 06. There is a man
asked
Jun 7, 2022
English
high-school
2
answers
18
votes
164k
views
How to use the weak blood orb to fill up a blood altar.
asked
Jun 5, 2022
Medicine
high-school
1
answer
4
votes
224k
views
Ella used three fourths of lemons to make one half liters of lemonade. If ella's recipe is for 1 liter of lemonade, how many lemons will she need to make 4 times the recipe?
asked
May 20, 2022
Mathematics
high-school
1
answer
22
votes
139k
views
Write the slope-intercept form of the equation of the line described. through: (-1, 4), parallel to y=-x – 1
asked
Jan 10, 2022
Mathematics
high-school
1
answer
0
votes
231k
views
Jamie went on a vacation with his family. He spent 25.25% of the total cost on the airline tickets, of the total cost on hotels, and 19.75% of the total cost on food. If he spent of the remaining amount
asked
Nov 27, 2021
Mathematics
high-school
1
answer
5
votes
12.2k
views
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 3.8-kg projectile from rest to a speed of 9.3 × 103
asked
Nov 23, 2021
Physics
high-school
1
answer
4
votes
103k
views
Choose the best transition to complete this sentence. Food waste accounts for nearly 13 percent of the waste found in landfills;______ minimizing food waste and encouraging composting in schools could
asked
Sep 26, 2021
English
high-school
2
answers
5
votes
163k
views
Which is an example of using effective speaking skills? A. "You are such a liar!" B. "I feel upset when I'm lied to; I want people to be honest with me." C. "You are usually an honest person, but I know
asked
Aug 1, 2021
Health
high-school
2
answers
3
votes
184k
views
Does anybody know how to do that
asked
Jul 23, 2021
Mathematics
high-school
2
answers
2
votes
141k
views
PLEASE HELP ME!!! A LOT OF POINTSIn your own words the summary of what the Sherman's plan was... (The Great Compromise).
asked
Jul 18, 2021
Social Studies
high-school
1
answer
5
votes
76.5k
views
Page:
1
2
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
4.6m
questions
5.9m
answers
Search QAmmunity.org