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nasty-shy [4]
2 years ago
14

Which operations can be applied to a matrix in the process of Gauss-Jordan elimination?

Mathematics
1 answer:
alexandr402 [8]2 years ago
5 0

Operations that can be applied to a matrix in the process of Gauss-Jordan elimination are options 1,2 and 4.

<h3 /><h3>What is gauss Jordan's elimination?</h3>

Gauss-Jordan Elimination is a matrix-based technique for solving linear equations or determining a matrix's inverse.

When using Gauss Jordan elimination, the following operations may be carried out on a matrix:

1. Replacing a row with twice that row

2. Replacing a row with the sum of that row and another row

3. Swapping row

The optional row(or column) procedures that can be employed are:

1. Alternate any two rows (or columns)

2. Scalar multiples of one row (column) are added or subtracted from another row (column) occurs when a row is substituted with the sum of another row and that row.

3. Multiply any row (or column) fully by a nonzero scalar, as seen below by substituting a row with two rows.

Hence, Gauss-Jordan elimination includes options 1,2, and 4.

To learn more about the gauss Jordan's elimination refers to;

brainly.com/question/12090959

#SPJ1

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When you add, you subtract the exponents. When you divide, you subtract the exponents.

When you have multiplication and division in one expression, you do it from left to right.

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Put it in a calculator.

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Fran swims at a speed of 2.8 mph in still water. The Lazy River flows at a speed of 0.6 mph. How long will it take Fran to swim
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Answer:

1. Upstream Time:  1 hour (or 60 minutes)

2. Downstream Time: 0.65 hour (or 39 minutes)

Step-by-step explanation:

The time it will take goes by the distance formula:

D=RT, where D is the distance, R is the rate (speed), and T is the time.

For Upstream, you are going <em>against</em> the current, so your still water speed slows down. So upstream rate is still water rate - stream rate. So 2.8 - 0.6 = 2.2mph

Time it will take him to swim 2.2 miles, is:

D=RT\\2.2=2.2(T)\\T=\frac{2.2}{2.2}=1

So, 1 hour

For Downstream, you are going <em>with</em> the current, so your still water speed increases. So downstream rate is still water rate + stream rate. So 2.8 + 0.6 = 3.4 mph

Time it will take him to swim 2.2 miles, is:

D=RT\\2.2=3.4(T)\\T=\frac{2.2}{3.4}=0.65

So, 0.65 hours (or 0.65*60=39 minutes)

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