Questions by Juan Carlos Mendoza

Questions by Juan Carlos Mendoza

The useful metal manganese can be extracted from the mineral rhodochrosite by a two-step process.... In the first step, manganese(II) carbonate and oxygen react to form manganese(IV) oxide and carbon dioxide:

asked Mar 1, 2020

2 answers

4 votes

52.0k views

May rides her bike the same distance that Leah walks. May rides her bike 10 km/h faster than Leah walks. If it takes May 1 hour and Leah 3 hours to travel that distance, how fast does each travel

asked Jan 12, 2020

1 answer

4 votes

100k views

Which form of a linear equation is best used when given the steepness of the line along with the point where the line crosses the y-axis?

asked Sep 12, 2019

1 answer

5 votes

13.4k views

6x – 2y = 10 2x + 3y = 51 Solving the first equation above for y gives

asked May 24, 2019

1 answer

2 votes

114k views

consider a pyramid with a height 10 feet in a square base with side lengths 7 feet. How does the volume of the pyramid change if the base stays the same and the height is doubled

asked Mar 7, 2018

1 answer

3 votes

232k views

What fossil fuel causes acid rain?

asked Jan 13, 2018

2 answers

4 votes

225k views

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