menu
QAmmunity.org
Recent activity by Rajitha Fernando
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Recent activity by Rajitha Fernando
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent activity by Rajitha Fernando
Filter
User Rajitha Fernando
Recent activity
All questions
All answers
Leila's chocolate bar is 66% cocoa. If the weight of the chocolate bar is 57 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
answered
Nov 16, 2023
Mathematics
high-school
1
answer
149k
views
John needs a total of $100 to buy a birthday present for his friend. He has already saved $35. If he saves $10 a week from his earnings what is the least number of weeks he must work to have enough money
answered
Oct 19, 2023
Mathematics
high-school
2
answers
131k
views
(Refer to the attached image)
answered
Aug 13, 2023
Mathematics
high-school
1
answer
80.2k
views
* You get more promotional emails than real (emails). apostrophes?
answered
Jun 13, 2023
English
college
1
answer
178k
views
How to remove deodorant stains from armpits of shirts.
answered
May 28, 2023
Social Studies
high-school
2
answers
72.4k
views
Multiply (x-6)(x^2-3x+5)
answered
May 19, 2023
Mathematics
college
1
answer
83.6k
views
For the following electron-transfer reaction:Co(s) + 2Ag+(aq) Co2+(aq) + 2Ag(s)Find the oxidation half-reaction & the reduction half-reaction
asked
Mar 15, 2023
Chemistry
college
1
answer
183k
views
Suggest a reasonable synthetic strategy for the synthesis of 4-methyl-1,4-pentanediol from methyl-4-hydroxybutanoate hoch2ch2ch2cooch3. please show all arrow pushing for the proposed reaction as well.
asked
Feb 12, 2023
Chemistry
high-school
1
answer
145k
views
In the year 1999, the surface elevation of Lake Powell was 3893 feet above sea level. In the year 2005, the surface elevation of Lake Powell was 3425.6 feet above sea level. Interpret the rate of change
asked
Jan 18, 2023
Mathematics
high-school
1
answer
176k
views
How many neutrons are in an atom of Carbon-13 or (613C)?
asked
Dec 13, 2022
Physics
high-school
1
answer
45.3k
views
Help pls can y’all check out my account i need help asap
answered
Dec 13, 2022
French
college
2
answers
37.9k
views
What does is an aesthetic person?? Send me a picture of an aesthetic boy and girl please!!
answered
Sep 17, 2022
Arts
high-school
2
answers
59.8k
views
Sam and Jane have been investigating the amount of copper sulphate that can be dissolved in water at different temperatures .They added copper sulphate till it could not be dissolved any further and also
asked
Sep 10, 2022
Chemistry
college
1
answer
61.2k
views
Valerie had a bottle that was filled with that contained 128oz juice to put into cups, she filled each cup with 6 floz of juice, until there was not enough in the bottle to completely fill another cup.
asked
Sep 9, 2022
Mathematics
college
1
answer
88.4k
views
Does this horizontal line have a slope? Explain pls. picture is included and if you answer there is 2 questions!
asked
Aug 18, 2022
Mathematics
college
1
answer
23.2k
views
A helicopter flies 665 feet above ground. What is the measure of the angle of depression fro t the helicopter to the girls line of sight
answered
Aug 7, 2022
Mathematics
high-school
1
answer
94.3k
views
Vinegars can be 5-20% acetic acid solutions and has been used for medicinal purposes for thousands of years. If a person takes 30 mL of vinegar a day and the molarity of the vinegar is 0.84 M, then how
answered
Jul 22, 2022
Chemistry
high-school
1
answer
115k
views
Need an answe asap!
answered
Jul 10, 2022
Mathematics
high-school
1
answer
155k
views
I need help please !!!!
answered
Jun 15, 2022
Mathematics
high-school
1
answer
38.3k
views
How was WWI a contributing factor to the Great Depression
asked
May 13, 2022
History
college
2
answers
225k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
4.4m
questions
5.7m
answers
Search QAmmunity.org