Answers by Xab Ion
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Answers by Xab Ion

Answers by Xab Ion
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Matrices and Row Operations Transform this matrix to reduced row echelon form: [2 -1 -4 | 7] |0 -30 20 | -50| [0 0 44 | -44] Result: [1 0 0 | ?] |0 1 0 | ?| [0 0 1 | ?]​
answered Jul 11, 2020
4 votes
158k views
How were the executive departments created?
answered Apr 9, 2020
4 votes
44.7k views
If a bag of pennies weighs 5.1 kilograms. Each penny weighs 2.5grams . About how much penny’s are in the bag A.20 B.200 C.2,000 D.20,000
answered Apr 1, 2020
1 vote
215k views
Macy drinks a lot of coffee and lately has been experiencing extreme nervousness and agitation, muscle hyperactivity, and twitching as well as profound insomnia. What label is used by the Diagnostic and
answered Mar 15, 2020
2 votes
113k views
MEASUREMENT AND MATTER Interconverting temperatures in Celsius and Kelvins The metal osmium becomes superconducting at temperatures below 655.mk Calculate the temperature at which osmium becomes superconducting
answered Feb 20, 2020
2 votes
82.3k views
What is a lunar eclipse 2 paragraph
answered Dec 26, 2019
4 votes
186k views
Read the following passage: As the New England weather gets colder, we enjoy watching the Canada Geese as they migrated south for the winter. Based on the clues, what is the most likely definition of the
answered Sep 11, 2019
2 votes
128k views
Solve for a 1/4(20-4a)=6-a
answered Aug 30, 2019
3 votes
199k views
In this excerpt, the reader knows more about Timothy than his mother and his sister. However, if the author had chosen to focus on all three characters equally, the point of view of the passage would change
answered Jun 22, 2019
6 votes
122k views
What percentage of strontium-90 remains in a sample after three half-lives have passed? 12.5% 15% 25% 60%?
answered Mar 29, 2019
2 votes
80.3k views
The solution for a system of two linear equations is (0,0). Which equation below could be one of the equations in the system? A. y= (1/3)x + 4 B. y= -3x C. y= 4x -5 D. y = 5 - x
answered Nov 9, 2018
6 votes
126k views
Whose Presidency was MOST concerned with fulfilling the country's Manifest Destiny? A) John Adams B) James K. Polk C) Andrew Johnson D) Abraham Lincoln
answered Sep 14, 2018
1 vote
49.7k views
Music appreciation The early twentieth century. Bartók decided to leave Hungary during  A. World War I.   B. the late twentieth century.   C. the French Revolution.   D. the impressionist movement.
answered Aug 14, 2018
3 votes
40.4k views
I need help to figure this problem out
answered May 24, 2018
3 votes
63.4k views
Resources need to be evaluated based on: Location Authority Standards Rules
answered Mar 4, 2018
4 votes
111k views
What is the equation of the line parallel to 3x+2y=8 and passing through the point (4,-3)
answered Feb 28, 2018
5 votes
25.6k views
Among those who argue against deporting everyone who has immigrated to the united states illegally are:
answered Feb 16, 2018
3 votes
38.8k views
What's 4v times 10? As in v x v x v x v x 10? I'm so confused. Thanks!
answered Jun 8, 2017
7 votes
141k views
In a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?
answered May 3, 2017
4 votes
215k views
What do you do when adding and subtracting fractions?01
answered Apr 16, 2017
2 votes
225k views
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