menu
QAmmunity.org
Questions by PhE
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Questions by PhE
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Questions by PhE
Filter
User PhE
Recent activity
All questions
All answers
A smoke-detector system uses three devices, A, B and C. If smoke is present, the probability that it will be detected by device A is 0.92; by device B is 0.98; and by device C is 0.93. If smoke is present,
asked
Oct 26, 2024
Mathematics
college
1
answer
0
votes
131k
views
Alexandra invests £885 into an account that pays 2.75% simple interest per year. Work out the total interest Alexandra gets after 16 years
asked
Oct 8, 2023
Mathematics
high-school
1
answer
9
votes
128k
views
Hello! this is to my other post!
asked
Sep 15, 2023
Chemistry
high-school
1
answer
11
votes
15.8k
views
For f(x)=3x-4 and g(x)=4x^2-3What is (g o f)(x) =?
asked
Apr 4, 2023
Mathematics
college
1
answer
3
votes
119k
views
SALES TAX Apply your knowledge of percentages to solve the problems below. Round answers to the nearest hundredth. 1. How much sales tax will be charged on a good priced at $32.507 2. How much sales tax
asked
Jan 23, 2023
Mathematics
middle-school
2
answers
0
votes
189k
views
Describe the preparation of compost in your locality
asked
Oct 5, 2022
Biology
high-school
1
answer
2
votes
128k
views
A high school basketball game between the Raiders and the Wildcats was tied at the end of the first quarter. The number of points scored by the Raiders in each of the four quarters formed an increasing
asked
May 5, 2022
Mathematics
high-school
1
answer
5
votes
104k
views
Please help, (Genetics question)
asked
Apr 18, 2022
Biology
college
1
answer
0
votes
7.9k
views
What is the pH of pure water?
asked
Mar 18, 2022
Chemistry
college
2
answers
22
votes
33.4k
views
Which book played a role in changing attitudes about gender roles in american society? A. Common Sense B. The Jungle C. The Feminine Mystique D. The Things They Carried
asked
Dec 4, 2021
History
middle-school
2
answers
0
votes
137k
views
Which of the following is true of how packets are sent through the internet?
asked
Nov 19, 2021
Computers and Technology
college
1
answer
5
votes
80.2k
views
Displacement vetors of 4 km south, 2 km north, 5 km south and 5 km north combine to a total displacement of? 1. 16 Km north. 2. 11 km west. 3. 6 km south. 4. 2 km south.
asked
Aug 8, 2021
Physics
middle-school
1
answer
5
votes
214k
views
How does Butch Cassidy react when he learns that two deputy sheriffs are plotting to capture him at his camp? He is frightened He is nervous He is amused He is angered
asked
Apr 7, 2021
English
high-school
1
answer
0
votes
708
views
Achievements among African civilizations included: the Crusades Islam women taking government roles the Zagwe Dynasty
asked
Apr 5, 2021
History
college
2
answers
0
votes
136k
views
An open top box is constructed from a rectangular sheet of material by cutting equal squares from each corner and folding up the edges. If the sheet of material measures 15 inches by 11 inches, find the
asked
Mar 22, 2021
Mathematics
college
1
answer
1
vote
204k
views
What is proportional
asked
Mar 10, 2021
Mathematics
middle-school
1
answer
0
votes
200k
views
Plz help me with this
asked
Mar 15, 2020
Mathematics
middle-school
1
answer
4
votes
46.3k
views
Research a supreme court decision. Tell me the for and against arguments in the court. And what it was about.
asked
Feb 2, 2020
Law
middle-school
1
answer
2
votes
129k
views
Is energy required or released? Name that term. For catabolic
asked
Feb 2, 2019
Biology
middle-school
1
answer
2
votes
184k
views
What is the term for a type of watercolor that is painted directly onto fresh plaster?
asked
Jul 20, 2018
History
middle-school
1
answer
2
votes
111k
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.
7.9m
questions
10.5m
answers
Search QAmmunity.org