Answers by Douglas Ferreira
Register

Answers by Douglas Ferreira

Answers by Douglas Ferreira
Filter
The sum of two numbers is 143 and their difference is 7,what are the numbers?
answered May 23, 2023
1 vote
27.4k views
What are the first 100,000 digits of pi?
answered Mar 24, 2023
14 votes
154k views
Write and equation for each line.
answered Dec 31, 2022
10 votes
122k views
Why does the skeleton stop growing in length? a Because the cartilage in the growth plate has been replaced by bone. b Because there is not enough calcium and other nutrients in the body. Because the growth
answered Dec 27, 2022
4 votes
155k views
Mia's birthday party will cost $12 if she invites 4 guests. What is the maximum number of guests there can be if Mia can afford to spend a total of $15 on her birthday party?
answered Sep 23, 2022
7 votes
180k views
Why are proteins important? Question 3 options: Some fight disease and illness All the above They are involved in nearly every cellular process Some function as enzymes
answered Sep 16, 2022
6 votes
229k views
Balance this equation Si Cl4 + H2O → Si (OH4) + HCl Please give a detailed explanation​
answered Jul 28, 2022
5 votes
82.8k views
In a hotel, 40 people occupy excatly 26 rooms. Each room is occupied by either one or two people. How many rooms are occupied by exactly one person?
answered Jun 28, 2022
3 votes
147k views
in an 7th grade class with 80 people, seven tenths of the students wore shorts, if three sevenths of those students who wore shorts also wore tank tops, how many 7th graders wore shorts and tank tops
answered Mar 27, 2022
2 votes
3.7k views
I NEED HELP NOW!!! Help pls ASAP
answered Mar 20, 2022
3 votes
86.9k views
10 to the second power
answered Aug 27, 2021
4 votes
67.0k views
(1) There are many examples of grand architecture in the world. (2) Some of the most impressive are buildings of the ancient city called Petra in Jordan. (3) Petra is the Greek word for "rock." (4) The
answered Jul 5, 2021
5 votes
129k views
The decomposition of sulfonyl chloride, SOCl2 is a first order reaction with a half life of 8.75 hours. Calculate the concentration of SOCl2 after 17.0 hours have passed in an experiment where the initial
answered Mar 23, 2021
4 votes
95.1k views
Find the value of x posting picture
answered Feb 2, 2021
1 vote
192k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m answers