Answers by Andrea Motto
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Answers by Andrea Motto

Answers by Andrea Motto
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How do historians use evidence to learn about the past ?
answered Apr 26, 2020
3 votes
213k views
For the following linear system, put the augmented coefficient matrix into reduced row-echelon form. x1 − 2x2 + 3x3 + 2x4 + x5 = 10 2x1 − 4x2 + 8x3 + 3x4 + 10x5 = 7 3x1 − 6x2 + 10x3 + 6x4 + 5x5 = 27
answered Mar 20, 2020
3 votes
198k views
Name three characteristics demonstrated by a person with good mental or emotional health
answered Mar 10, 2020
1 vote
231k views
* HELP PLEASE * If the radius of a cylinder is 1.8 meters and it’s height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters? • i need the answer please help • A. True. B. False.
answered Sep 16, 2019
7 votes
174k views
Here are some inventions and innovations that changed American life during the first half of the nineteenth century. Choose one, name the inventor/innovator most closely associated with it, explain what
answered Aug 16, 2018
1 vote
92.2k views
Cascading communication flows upwards and downwards from an important organizational leader. select one: a. True b. False
answered Jun 28, 2018
3 votes
144k views
Which lines from the passage best show the theme of bravery both in war and at home?
answered Jun 27, 2018
1 vote
211k views
Several people form groups with four people in each group. Write an expression for the number of groups from doing by p people. How many groups are formed if there are 28 people?
answered Jun 21, 2018
2 votes
60.6k views
Ron weasley is slightly clumsy and often makes mistakes. today he needs to heat a test tube filled with a solution. where should he apply heat to the test tube?
answered Jun 16, 2018
3 votes
154k views
Find m<t in ∆rst if m<r = 37° and m<s =55°
answered Jun 4, 2018
5 votes
717 views
Which microscope would be MOST useful for quickly estimating the number of red blood cells in a patient's blood sample?
answered Apr 8, 2018
5 votes
209k views
Using the drawing, how would you classify angles 9 and 10?
answered Dec 10, 2017
0 votes
128k views
What is physical geology?
answered Oct 30, 2017
3 votes
172k views
Why is protein synthesis important? Select one: a. because it is the process which gets your DNA's information to make the proteins which make up many of your traits b. because it is essential in repeating
answered May 16, 2017
0 votes
58.7k views
A dinner bill of $31.37 had 6% tax added to that total. what was the amount of the tax?
answered Mar 24, 2017
3 votes
119k views
Math- how do u write20,484,163 in expanded form
answered Dec 2, 2016
5 votes
233k views
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