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How do historians learn about people who lived in the earliest historical eras?
answered
Oct 29, 2019
History
middle-school
6
votes
88.2k
views
"The decline of the Roman Empire was partly due to a lack of military strength. This carried over into the Middle Ages, making landowners wary of possible invasions." After the invasions began, European
answered
Sep 23, 2019
Social Studies
high-school
7
votes
74.2k
views
An object is dropped from a platform 400 ft high. ignoring wind resistance, what will its speed be when it reaches the ground?
answered
Sep 9, 2019
Physics
high-school
4
votes
118k
views
which three digit numbers round to 500 when rounded to the nearest hundred, and also round to 460 when rounded to the nearest ten
answered
Mar 30, 2019
Mathematics
middle-school
5
votes
97.2k
views
Find the area of a triangle whose base is 2√3 in. and height is 3√3 in. 6√3 in.² 9 in.² 18 in.²
answered
Dec 6, 2018
Mathematics
high-school
2
votes
170k
views
Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint? 288 80
answered
Nov 27, 2018
Mathematics
high-school
1
vote
206k
views
The anova from a randomized complete block experiment output is shown below. source df ss ms f p treatment 4 1010.56 ? 29.84 ? block ? ? 64.765 ? ? error 20 169.33 ? total 29 1503.71 (a) fill in the blanks.
answered
Nov 26, 2018
Mathematics
college
6
votes
228k
views
Which expression is equivalent to 3(4h+2k)
answered
Nov 13, 2018
Mathematics
high-school
5
votes
215k
views
What are the disadvantages of a mixed economy?
answered
Jul 18, 2018
Business
high-school
1
vote
104k
views
A rectangle has a length of 27 inches less than 5 times its width. if the area of the rectangle is 3690 square inches, find the length of the rectangle.
answered
Apr 19, 2018
Mathematics
high-school
2
votes
102k
views
Which best describes peasant life in fifteenth-century russia?
answered
Dec 18, 2017
History
high-school
0
votes
231k
views
The cardiovascular system helps move hormones throughout the body during exercise.
answered
Nov 26, 2017
Health
high-school
3
votes
229k
views
When temperatures are near absolute zero, what process causes atoms to begin to clump? A) Plasmology B) Cornell-Weisman condensation C) Condensate D) Bose-Einstein condensation
answered
May 3, 2017
Biology
high-school
2
votes
89.0k
views
Among the many Southern farmers who moved to the cities to find jobs was a large group of who? Native Americans, African Americans, Dutch, or Scots-Irish?
answered
Apr 26, 2017
History
middle-school
2
votes
166k
views
Compare the outermost electrons of an atom with the inner most electrons of an atom in terms of energy
answered
Mar 21, 2016
Physics
high-school
3
votes
184k
views
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