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while mining,Sara found a large metal bar that weigh 20 pounds.Sara was also able to determine that able to determine that the bar has 8 pounds of copper. What percent of the weight of the bar was copper?
answered
Jul 29, 2020
Mathematics
middle-school
3
votes
227k
views
__________ refers to the worker or a member demonstrating behaviors in a particular situation so that others in the group can observe what to do and how to do it. (a) Role playing (b)Rehearsing (c) Coaching
answered
Jun 24, 2020
Social Studies
high-school
4
votes
81.7k
views
Litmus turns blue in acidic solutions, True . False
answered
May 12, 2020
Chemistry
middle-school
6
votes
161k
views
A window air conditioner uses 1010 W of electricity and has a coefficient of performance of 3.88. For simplicity, let's assume that all of that electrical energy is transformed into work done by the air
answered
Mar 12, 2020
Physics
college
3
votes
109k
views
Adolescent girls with higher than average __________ are more likely to engage in sexual intercourse. estradiol testosterone iq motivation
answered
Nov 20, 2019
Social Studies
high-school
5
votes
5.5k
views
Why didn’t Egyptians never use humor when drawing humans
answered
Nov 12, 2019
History
middle-school
2
votes
96.4k
views
3C2H402 atoms in formula
answered
May 17, 2019
Chemistry
middle-school
5
votes
131k
views
During the nitrogen cycle, plants take in nitrogen compounds through their_____.
answered
May 9, 2019
Biology
high-school
6
votes
108k
views
Graph y=3x+4 down below
answered
Dec 13, 2018
Mathematics
high-school
3
votes
193k
views
Dna stands for what in biology
answered
Jun 24, 2018
Biology
high-school
3
votes
58.0k
views
Find f'(x) f(x)= (e^2x-1) + e^2 f(x)= ((x^2)-1)/((x^2)+1) f(x)=(1+x)/(1+(e^x))
answered
May 23, 2018
Mathematics
college
4
votes
122k
views
What is one stated purpose of the World Trade Organization?to limit imports to reduce tariffs to establish quotas to decrease competition
answered
Apr 23, 2018
Geography
high-school
3
votes
209k
views
What is the sociological imagination? Why is it important to our understanding of society?
answered
Mar 17, 2018
Social Studies
high-school
7
votes
200k
views
the perimeter of a rectangular pool is more than 62 meters, and the width is at least 10 meters less than the length. which system of inequalities represents the possible length in meters, l, and the possible
answered
Aug 25, 2017
Mathematics
high-school
3
votes
80.7k
views
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