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What were the major problems in trading with the Far East in 1400?
answered
Dec 25, 2018
History
middle-school
2
votes
163k
views
Quadrilateral ABCD is the result of a reflection of quadrilateral EFGH over the line. Which line segment in the image corresponds to BC¯¯¯¯¯ in the pre-image? a) EF¯¯¯¯¯ b) FG¯¯¯¯¯ c) HE¯¯¯¯¯¯ d) GH¯¯¯¯¯¯
answered
Nov 6, 2018
Mathematics
middle-school
6
votes
160k
views
Carlos is making phosphorous trichloride using the equation below. He adds 15 g of phosphorus. 2P +3Cl2 → 2PCl3 How much chlorine would be found in the product? 5 g 7.5 g 45 g 90 g
answered
Oct 30, 2018
Physics
high-school
6
votes
158k
views
What fatal errors did general edward braddock make?
answered
Oct 26, 2018
History
middle-school
6
votes
134k
views
What made the thirty years' war the most destructive military conflict in europe until the 20th century?
answered
Sep 16, 2018
History
high-school
5
votes
93.6k
views
The value of the expression (2x^2)/(x) + x(100-15x) when x = 5 is
answered
Feb 12, 2018
Mathematics
high-school
4
votes
141k
views
Which phrase best describes scientific theories?
answered
Dec 24, 2017
Biology
high-school
1
vote
109k
views
By the time [this book] came to be written, it was obvious that there would be great difficulty in getting it published; . . . it was refused by four publishers. Only one of these had any [moral] motive.
answered
Aug 17, 2017
English
high-school
6
votes
23.7k
views
Who invented chewing gum, and when was it first used?
answered
Jun 29, 2017
History
high-school
6
votes
121k
views
How does respiration differ from breathing
answered
Jun 28, 2017
Physics
middle-school
6
votes
89.4k
views
A water sprinkler has a range of 5 meters as shown. The jet of water from the sprinkler sweeps out at an angle of 85° as the nozzle turns. What is the area watered by the sprinkler? Use the value π = 3.
answered
Feb 22, 2017
Mathematics
high-school
3
votes
64.3k
views
What is longitude and latitude?
answered
Dec 24, 2016
Geography
middle-school
6
votes
201k
views
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