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klemol [59]
3 years ago
6

Find answer work and check please thank you 75x+50=25x+70

Mathematics
1 answer:
Wewaii [24]3 years ago
4 0
X=.6
..................................
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Maranda earns $42 in three hours Jabrill earn $78 in six hours which worker earns more per hour
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jabrill

Step-by-step explanation:

42 dived by 3 = 14

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2 years ago
How do you interpret the statement that F(60)=86?
igor_vitrenko [27]

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Step-by-step explanation:

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3 years ago
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Suppose A is n x n matrix and the equation Ax = 0 has only the trivial solution. Explain why A has n pivot columns and A is row
vovangra [49]

Answer:

Remember, a homogeneous system always is consistent. Then we can reason with the rank of the matrix.

If the system Ax=0 has only the trivial solution that's mean that the echelon form of A hasn't free variables, therefore each column of the matrix has a pivot.

Since each column has a pivot then we can form the reduced echelon form of the A, and leave each pivot as 1 and the others components of the column will be zero. This means that the reduced echelon form of A is the identity matrix and so on A is row equivalent to identity matrix.

4 0
3 years ago
What is the definition of direct control in statistics?
anyanavicka [17]

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2 years ago
This puzzle is relatively easy, I just posted here cause I wanted to see if how many people can solve it. I capitalized some of
aleksandrvk [35]

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4 minutes

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2 will cook together for 1 minute. and it will take an additional 2 minutes to cook the 3rd pancake.

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