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Answers by FredRoger

Answers by FredRoger
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Why did the Mayan, Aztec, and Inca civilizations develop their own social hierarchy? A) to promote organization and order in society B) the gods spoke to the priest and told them to make one C) to determine
answered Jun 18, 2021
6 votes
221k views
Density = 2 g/ml Volume = 20 ml What is the mass?
answered Jun 3, 2021
1 vote
208k views
John is painting a picture.He has green, red, yellow, purple, orange and blue paint. He wants to use four different colors on this picture. If order does not matter, how many ways can John pick four colors
answered Mar 7, 2021
5 votes
178k views
What is the coe'fficient in the expression 10x+8
answered Feb 28, 2021
7 votes
226k views
How did early Hindus believe one could achieve union with ultimate reality?
answered Feb 24, 2021
5 votes
53.2k views
Whats the meaning of life?
answered Feb 8, 2021
4 votes
97.5k views
Which of the following countries has low life expectancy? Maldives Russia Australia Spain
answered Feb 7, 2021
1 vote
119k views
Consider a long, slender copper rod of diameter D = 1 cm and thermal conductivity k = 380 W/(m • °C), with one end thermally attached to a wall at 200°C. Heat is dissipated from the rod by convection with
answered Sep 11, 2020
4 votes
107k views
The measure of one angle of an octagon is two times smaller that of the other seven angles. What is the measure of each angle?
answered Apr 17, 2020
0 votes
212k views
How much heat is necessary to change 350 g of ice at -20 degrees Celsius to water at 20 Celsius?
answered Mar 23, 2020
3 votes
111k views
Which process led to the release of large amounts of carbon dioxide at the end of the Devonian period? A. The breakup of Pangaea B. The extinction of plant life C. The melting of glaciers D. The volcanic
answered Feb 24, 2020
4 votes
208k views
A right square pyramid has a height of 4" and a base of 6" and a slant height twice the pyramids height. What is the volume of the pyramid?
answered Dec 23, 2019
3 votes
156k views
Which of the following is a characteristic of robber barons
answered Oct 16, 2019
5 votes
63.5k views
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