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Which of the following best explains why you sanded the copper wire before burning it? to create less friction between the copper and the tongs to make sure that copper metal was exposed on the surface
answered
Mar 28, 2020
Chemistry
middle-school
7
votes
184k
views
The total cost of eight pens and five mechanical pencils is $8.55. The cost of each pencil is $0.35 cents. Let the cost of a pen be p dollars. Write an expression for the total cost of eight pens and five
answered
Mar 12, 2020
Mathematics
middle-school
4
votes
35.9k
views
Help please Algebra 2 B
answered
Dec 27, 2019
Mathematics
high-school
4
votes
71.7k
views
Simplify. 6-[-(-1)] -7 7 -5 5
answered
Dec 14, 2019
Mathematics
middle-school
4
votes
94.8k
views
What is the focus of a parabola with equation y^2=4x
answered
Sep 27, 2019
Mathematics
high-school
4
votes
40.9k
views
When 12.4 grams of KBr are dissolved in enough water to create a 170-gram solution, what is the solution's concentration, expressed as a percent by mass?
answered
May 11, 2019
Chemistry
college
7
votes
186k
views
Medications that are legal and used properly have no risks or side effects
answered
Mar 17, 2019
English
high-school
4
votes
71.9k
views
Which term refers to the number of people living in one square mile?
answered
Aug 30, 2018
History
middle-school
3
votes
174k
views
A tennis ball is thrown straight up and caught at the same height. Which of the following can be describe the motion of the ball when it reaches the apex? A. The velocity of the ball is zero B. The acceleration
answered
Jul 28, 2018
Physics
high-school
1
vote
115k
views
Best answer to this question?? ¿Cómo estás? Nada. Mucho gusto. Más o menos. Hola.
answered
May 11, 2018
Spanish
college
5
votes
224k
views
Help me please !!!!!
answered
Apr 7, 2018
Mathematics
middle-school
3
votes
171k
views
A Term that describes a group of diseases caused by mutations and different genes
answered
Jan 8, 2018
Chemistry
high-school
2
votes
201k
views
Site of German war crime trials _________ was the first Secretary General of the United Nations. a. David Ben-Gurion b. Eleanor Roosevelt c. Ralph Bunche d. Trygve Lie Post WW II Japan was primarily reorganized
answered
Dec 24, 2017
History
high-school
6
votes
150k
views
What was the primary goal of utopian socialists?
answered
Oct 5, 2017
History
high-school
2
votes
18.0k
views
What are 3 things we can learn from fossils?
answered
Jun 12, 2017
Social Studies
high-school
1
vote
192k
views
Determine the mass of X needed to react with 6.238 g of Y. Given that the molar mass of X is 114.1 g/mol and Y is 175.3 g/mol. The reaction is the following: 5 X + 2 Y --> 4 Z
answered
May 19, 2017
Chemistry
middle-school
6
votes
40.8k
views
Ema ate 6 slices of pizza. She ate 3/4 of a entire pizza. How many slices of pizza were there in all?
answered
Jan 9, 2016
Mathematics
middle-school
3
votes
88.6k
views
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