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Which of the following was not an accomplishment of the Han dynasty? A. the invention of paper B. the invention of the seismograph C. the popularization of the use of calendars D. the popularization of
answered
Aug 14, 2021
History
middle-school
2
votes
63.5k
views
If gear A has 400 teeth and drives another gear B with 1200 teeth. Determine gear ratio.
answered
Jul 24, 2021
Mathematics
high-school
4
votes
54.9k
views
Where is the range located
answered
Jun 15, 2021
Mathematics
middle-school
4
votes
191k
views
I need help please and thank you .
answered
May 26, 2021
Spanish
college
3
votes
213k
views
Help would be greatly appreciated:)
answered
Apr 28, 2021
Mathematics
high-school
3
votes
101k
views
What civilization established the first great kingdom in Greece?
answered
Apr 11, 2021
History
high-school
3
votes
166k
views
When swinging on a swing, what force slows the swing? A the gravitational pull of the Sun B the resistance of the air C the gravitational pull of the Earth
answered
Jan 10, 2021
Geography
high-school
6
votes
72.2k
views
An element is a mixture of two isotopes. One isotope of the element has an atomic mass of 55.96885 amu and has a percent abundance of 90.50%. The other isotope has an atomic mass of 54.96590 amu and has
answered
Jan 8, 2021
Chemistry
high-school
5
votes
227k
views
What is 0.94 as a fraction
answered
Oct 14, 2020
Mathematics
middle-school
3
votes
24.4k
views
How has culture been involved with science
answered
Aug 23, 2020
Biology
middle-school
3
votes
188k
views
At a temperature of 15 degrees C, a quantity of oxygen has a volume of 250 ml. If it’s temperature is raised to 45 degrees C, what will it’s volume be?
answered
May 23, 2020
Chemistry
middle-school
2
votes
45.5k
views
How does he society determine who will consume what is produced
answered
Mar 12, 2020
English
middle-school
5
votes
81.7k
views
Round this number to the nearest 100,000 3,153,007 Answer
answered
Oct 22, 2019
Mathematics
college
5
votes
99.7k
views
What is the function for the arithmetic sequence 2,7,12,17,22
answered
Jul 12, 2019
Mathematics
high-school
3
votes
82.7k
views
In B, the percent is 35%. What is the part and what is the whole?
answered
Jan 27, 2019
Mathematics
middle-school
4
votes
49.4k
views
Which statement describes the first step to solve the equation by completing the square? 2x2+12x=32 A. Add 36 to each side of the equation. B. Multiply both sides of the equation by 12 . C. Add 6 to each
answered
Aug 19, 2018
Mathematics
high-school
2
votes
200k
views
Out of all the kids in a class 5 want an ice cream party, 7 want a movie party, and 10 want a costume party. The rest are undecided. If 20% want an ice cream party, how many students are in the class
answered
Mar 1, 2018
Mathematics
middle-school
5
votes
17.2k
views
Where did the Boston Massacre engraving first appear at?
answered
Jan 11, 2018
History
high-school
2
votes
229k
views
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