menu
QAmmunity.org
Recent activity by Youjun Hu
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Recent activity by Youjun Hu
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent activity by Youjun Hu
Filter
User Youjun Hu
Recent activity
All questions
All answers
A(n) __________________ is the effort estimation for a product backlog item and is assigned at the before the sprint begins. a) User story b) Epic c) Task d) Story point
asked
Jul 23, 2024
Computers and Technology
high-school
1
answer
188k
views
The radius of a circle is 2 miles. What is the length of a 135% arc
answered
May 6, 2024
Mathematics
high-school
1
answer
43.6k
views
Question content area top Part 1 Assume that a procedure yields a binomial distribution with n = 5 trials and a probability of success of p = 0.20. Use a binomial probability table to find the probability
asked
Apr 24, 2024
Mathematics
high-school
1
answer
149k
views
Which of the following could be considered a scientific principle? A. Leaves bend toward the light because they know light is needed to grow. B. Radioactive isotopes can be used as tracers in medicine
answered
Mar 19, 2024
Biology
high-school
1
answer
225k
views
2. A spring launcher has a spring with a spring constant of 675N / m A child wants to launch a 0.15 kg rock 3.0 m vertically into the air . How far back does the child have to pull the rock back before
answered
Mar 17, 2024
Physics
college
1
answer
208k
views
In the novel "Little Women," how does Marmee provoke a decision from her daughters by asking them if they will help a needy family, instead of simply telling them to do so? a) Marmee forces her daughters
answered
Jan 7, 2024
Computers and Technology
high-school
1
answer
223k
views
3. What is the crucial factor for a sample selection to be random?
answered
Oct 30, 2023
Mathematics
high-school
1
answer
55.5k
views
Select the correct answer. What was the purpose of the Crusades? OA. to teach those who did not believe in Christianity OB. to reclaim Jerusalem from the Muslims OC. to decrease the power of king and nobles
answered
Oct 9, 2023
History
college
2
answers
218k
views
Substitute 9 for x and evaluate the expression below. (x - 5)-1 OA. 15. OB. 5 OC. 3 OD. 13
asked
Aug 27, 2023
Mathematics
college
1
answer
135k
views
What is the Perimeter: Area:
asked
Aug 14, 2023
Mathematics
college
1
answer
54.2k
views
Which RNA brings instructions from DNA ? A. tRNA C. mRNA B. rRNA D. RNA
asked
Jul 2, 2023
Biology
college
1
answer
52.7k
views
A Super Dog! flies by and has 1,780 Joules of Potential Energy. If Super Dog! is flying at an altitude of 15 meters, what is its mass?
asked
Apr 19, 2023
Physics
college
1
answer
106k
views
A local talent is selling underground CD's to get his rap career off the ground. Each crate contains 40 blank CD's. Each crate cost $25. How much should he sell his CD's to make a profit of $135?
answered
Mar 14, 2023
Mathematics
college
1
answer
34.0k
views
Do you think hair evidence should be able to be used in the courtroom? Justify your reasoning, and provide an example of why and when you think it may be appropriate and why or when you think it may not
answered
Mar 7, 2023
Law
high-school
1
answer
141k
views
Which of the following answers best explains why Louie didn't fit in with the other kids? A. Louie was a known bully and the other kids didn't want to suffer his wrath. B. Louie preferred to stay indoors
answered
Jan 6, 2023
English
high-school
2
answers
27.9k
views
Read the passage from animal farm. And the behaviour of the cat was somewhat peculiar. It was soon noticed that when there was work to be done the cat could never be found. She would vanish for hours on
asked
Dec 20, 2022
SAT
high-school
2
answers
71.6k
views
Which ratio is equivalent to the ratio 2:5?
asked
Dec 5, 2022
Mathematics
college
1
answer
229k
views
Round the number shown to the underlined place value 9.954
asked
Nov 1, 2022
Mathematics
college
1
answer
30.0k
views
Help me answer these questions
answered
Oct 22, 2022
Chemistry
high-school
2
answers
39.6k
views
Someone help please and please make sure the answer is right
answered
Sep 18, 2022
Mathematics
high-school
2
answers
124k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
8.3m
questions
10.9m
answers
Search QAmmunity.org