menu
QAmmunity.org
Answers by Quan Ding
Login
Register
My account
Edit my Profile
Private messages
My favorites
Answers by Quan Ding
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by Quan Ding
Filter
User Quan Ding
Recent activity
All questions
All answers
Suppose 49% of the population has a retirement account. If a random sample of size 896 is selected, what is the probability that the proportion of persons with a retirement account will differ from the
answered
Dec 20, 2021
Mathematics
college
4
votes
188k
views
32/34 Marks Show that 155 can be expressed as the sum of a power of 2 and a cube number.
answered
Dec 11, 2021
Mathematics
high-school
3
votes
1.5k
views
What do clinical, cognitive, and health psychologists do?
answered
Nov 11, 2021
Physics
high-school
4
votes
226k
views
Two friends are practising their tennis serve. Adam can serve 6 balls per minute while Mark can serve 4 balls per minute. Adam brings a bag of balls which he serves at Mark. Once Mark has 18 balls on his
answered
Aug 22, 2021
Mathematics
middle-school
2
votes
206k
views
Which step of international advertising always represents the most difficult task for international marketing managers? Multiple Choice performing marketing research developing the most effective message
answered
Jun 28, 2021
Social Studies
high-school
4
votes
100k
views
the perimeter of this quarter circle with radius, r = 32mm. Give your answer as an expression in terms of π.
answered
Jun 2, 2021
Mathematics
college
4
votes
123k
views
Macbeth has a conversation with two murders. which two people does macbeth send them to kill? why does macbeth target these two people
answered
Feb 6, 2021
English
high-school
3
votes
63.7k
views
A gardener has 24 feet of border to create a vegetable garden. She has planned the lengths of three sides. What length is needed for the fourth side so that she can use the entire border?
answered
Jan 16, 2021
Mathematics
middle-school
7
votes
115k
views
Can someone please help me
answered
Jan 12, 2021
Mathematics
high-school
1
vote
69.4k
views
Based on the passage, the Haida had values that A.were centered around their physical needs. B.encompassed physical and emotional needs. C.were centered around caring for the ocean. D.encompassed caring
answered
Oct 30, 2020
English
middle-school
3
votes
64.2k
views
1. __________ indicate a BAL of .10% or higher.
answered
Sep 24, 2020
Computers and Technology
middle-school
6
votes
195k
views
Which of the following is a benefit of doing business with an online bank a personalized service b typically higher saving rate c variety of deposit locations d greater variety of services
answered
Sep 5, 2020
Business
middle-school
4
votes
138k
views
You are able to see an object if it either makes its own light (a light source), or it reflects light to your eyes. This information makes which of these statements true?
answered
Aug 23, 2020
Biology
high-school
5
votes
89.6k
views
Based on the timeline, which world monument was built first?
answered
Jul 15, 2020
History
middle-school
4
votes
158k
views
Which scientist studies biotic factors ?
answered
May 26, 2020
Chemistry
middle-school
6
votes
46.8k
views
Describe an unknown or changeable quantity
answered
Apr 15, 2020
Mathematics
middle-school
3
votes
58.1k
views
What happens in the process of beta decay? A. A neutron transforms into a proton and an electron. B. A proton transforms into a neutron and an electron. C. A neutron and an electron combine to make a proton.
answered
Sep 27, 2019
Chemistry
high-school
4
votes
54.7k
views
As part of school project, Lizzie must cover the surface of a cube with colored paper. The height of the cube is 2.5 inches. How much paper does Lizzie need?
answered
Sep 15, 2019
Mathematics
middle-school
3
votes
168k
views
According to biological classification, which of these pairs represents animals that are the MOST closely related? A) crabs and fish B) crabs and snakes C) crabs and penguins D) crabs and grasshoppers
answered
Jun 26, 2019
Biology
college
4
votes
212k
views
|n/2 − 1/3| −1= 1/6
answered
May 13, 2019
Mathematics
college
2
votes
41.0k
views
Page:
« prev
1
2
3
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Search QAmmunity.org