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Solve each of the following systems by Gauss-Jordan elimination. (b) X1-2x2+ x3- 4x4=1 X1+3x2 + 7x3 + 2x4=2 -12x2-11x3- 16x4 5 (a) 5x1+2x2 +6x3= 0 -2x1 +x2+3x3 = 0
answered
Mar 7, 2020
Mathematics
college
4
votes
223k
views
A company that builds a factory in another country to hire workers for less money is trying to save on its
answered
Dec 26, 2019
History
high-school
6
votes
71.7k
views
The first model of the atom was developed through
answered
Oct 16, 2019
Physics
high-school
3
votes
185k
views
The image represents the structures found in a human bone. The cells which make up a bone are specialized to produce a substance called osteoid which hardens to become the extremely dense and strong material
answered
Sep 14, 2019
Biology
middle-school
5
votes
201k
views
Geometry math question please help
answered
Jul 29, 2019
Mathematics
middle-school
3
votes
183k
views
each picture shows how a mapping, f, maps elements of a domain onto a range. which mapping, f, is not a function?
answered
Jul 28, 2019
Mathematics
middle-school
0
votes
6.6k
views
What is negative 3 times negative one half
answered
Jan 16, 2019
Mathematics
middle-school
6
votes
37.9k
views
The function h = -t 2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
answered
Dec 15, 2018
Mathematics
high-school
4
votes
37.6k
views
The ratio of blue marbles to white marbles in a bag is 4 to 5 at this rate how many blue marbles are there if there are 15 white marbles
answered
May 25, 2018
Mathematics
college
0
votes
128k
views
Where would English soldiers and officials accused of serious crimes in Massachusetts stand trial? A.) Massachusetts B.) Quebec C.) England D.) New York
answered
Mar 30, 2018
Social Studies
high-school
3
votes
41.3k
views
Even though phil claims that making the $250,000 payment is perfectly legal, what law dealing with bribery by us companies of foreign officials might dale be afraid he would be in violation of if the payment
answered
Mar 22, 2018
Social Studies
high-school
4
votes
191k
views
There are currently 3 people signed up for the debate club. The school will not recognize the club officially until it has more than 5 members. Which of the following graphs includes the possible values
answered
Jan 20, 2018
Mathematics
middle-school
5
votes
142k
views
A cube measures 1.0 cm on each side. What is the volume of the cube? If this cube is dropped into 28.0 ML of water, what will be the new volume reading on the graduated cylinder?
answered
Jul 10, 2017
Chemistry
high-school
4
votes
78.5k
views
What is The large landmass that includes both Europe and Asia called
answered
May 6, 2017
Social Studies
middle-school
7
votes
213k
views
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