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The number of students increased from 640 to 768. What is the percent of change ?
answered
Nov 16, 2019
Mathematics
middle-school
2
votes
68.9k
views
How many times will 63 go into 3,000
answered
Oct 31, 2019
Mathematics
high-school
3
votes
136k
views
A researcher goes to great lengths to ensure that the proportion of males and females in her study matches the proportion of males and females nationally. she is selecting a ________ sample.
answered
Aug 30, 2019
Social Studies
college
3
votes
47.7k
views
What was the original price if: a after increasing by 30% it became $520?
answered
Jul 26, 2019
Mathematics
high-school
4
votes
53.9k
views
Jake is a stockholder of several companies and he studies financial statements of these companies regularly. Why does he desire a healthy cash flow?
answered
May 13, 2019
Business
high-school
4
votes
38.1k
views
Read this passage from “the city without us” by Alan Weisman: Once, Manhattan was 27 square miles of porous ground interlaced with living roots that siphoned the 47.2 inches of average annual rainfall
answered
Oct 1, 2018
English
high-school
2
votes
157k
views
Which Latin American countries had a military coup supported by the United States to remove Salvador Allende from power?
answered
Sep 26, 2018
History
high-school
1
vote
104k
views
Define mechanical energy. Using the example of the pendulum, explain how kinetic and potential energy relate to the mechanical energy at different positions.
answered
Jul 5, 2018
Chemistry
middle-school
3
votes
3.2k
views
Are there vertebrae in most joints in the body
answered
Jun 25, 2018
Biology
college
4
votes
380
views
What do you call the curved upper surface of the water that comely appears when using a graduated cylinder
answered
Nov 2, 2017
Physics
high-school
5
votes
192k
views
What is the answer to 6x-22+40=180
answered
Sep 6, 2017
Mathematics
middle-school
5
votes
229k
views
To benefit from a cheaper labor pool, some businesses in the 1950s began to a. hire African Americans. c. expand overseas. b. hire teenagers. d. move to the Sunbelt.
answered
May 9, 2017
History
high-school
5
votes
126k
views
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