Answers by Nuno Ribeiro
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Answers by Nuno Ribeiro

Answers by Nuno Ribeiro
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If an atom has a mass of 40 amu, which of the following MUST be true? a. There are 20 protons in this atom. b. There are less than 40 protons in this atom. c. There are exactly 40 protons in this atom.
answered Nov 12, 2021
1 vote
139k views
Please help I have to get this done 50 points to anybody that can do ot. Students at the Yulee Middle School are selling boxes of popcorn to raise funds for the science laboratory. The tables below show
answered Oct 24, 2021
5 votes
45.2k views
What are formed when particles in solar wind travel along lines of Earth's magnetic field and collide with gas atoms?
answered Oct 7, 2021
3 votes
218k views
Anchorage, Alaska is one of the largest cities in the U.S., covering over 1,958 square miles. Many large cities cover an area of 100 square miles or less Anchorage sports many tall buildings, malls, hotels,
answered Sep 29, 2021
5 votes
108k views
Which of the following is not a principle regarding the way lean systems function? (I) Identifying customer values (II) Focusing on processes that create value (III) Elimination of waste to create flow
answered Sep 3, 2021
3 votes
171k views
What kind of narration is used in this excerpt? Read the following excerpt. I arrived with only a few minutes to spare. One of the assistant producers handed me a number and told me to get ready to audition.
answered Aug 26, 2021
5 votes
2.0k views
PLEASE HELP ASAP!Complete the steps to find the area of the trapezoid. Area of rectangle= Area of triangle 1= Area of triangle 2= Area of triangle 3= Area of trapezoid=
answered Aug 6, 2021
5 votes
192k views
Spill small sentence​
answered Jul 23, 2021
3 votes
127k views
1. A school has 400 students. They all come to school by bus, and each bus carries the same number of students. How many students might there be on each bus? PS the number of buses is 100
answered Jun 20, 2021
1 vote
112k views
The majority of Canadians are employed in what levels of economic activity? Primary and Secondary Primary and Secondary Tertiary and Quaternary Tertiary and Quaternary Secondary and Tertiary Secondary
answered Jun 4, 2021
4 votes
9.2k views
When did the United States authorize the development of the atomic bomb? HELP!
answered Jun 2, 2021
6 votes
228k views
Find x (11x-1) (20x-3) 151
answered Apr 28, 2021
3 votes
39.2k views
Find the square root of 7-2√5​
answered Apr 12, 2021
4 votes
166k views
An ___________ is a monologue delivered primarily to the audience that other actors on stage do not hear. Audible sound Action Aside Argument
answered Feb 11, 2021
5 votes
33.3k views
What kind of union do you enter into when you marry?
answered Jan 8, 2021
2 votes
121k views
The point has A has coordinates (-4, 6) and point B has coordinates (7, -2) Calculate the length of the line AB (pls show working)
answered Nov 16, 2020
3 votes
223k views
Think about someone who has been a positive leader in your life. It can be someone you know personally, or someone you've learned about in this class. How has this person influenced your life? Why do you
answered Aug 13, 2020
3 votes
90.5k views
An 8 by 8 ft wall has 4 by 5 ft windows. The area of the three windows is what percent of the area of the entire wall including the windows
answered Apr 22, 2020
2 votes
46.0k views
In part, this lesson will look at the process of buying a house. True False
answered Mar 25, 2020
6 votes
85.7k views
What is the simplified from of x+9/5 - x+5/5
answered Jan 31, 2020
4 votes
63.4k views
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