4 years ago

Explain why the columns of an nxn matrix a are linearly independent when a is invertible

1 answer:

3 0

Suppose A is invertible. Therefore the equation Ax=0 has only one solution, the zero solution. This means that the columns of A are linearly independent.

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lesya692 [45]

Answer:

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Step-by-step explanation:

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3 years ago

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find the mean, median, mode, and midrange. Then decide which you think is the most meaningful measure of average for that data s

marshall27 [118]

Answer:

mean = 254.6

median = 120

mode = 60

midrange = 958

For average data sets i prefer by finding the mean

Step-by-step explanation:

mean :

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median : 60 60 73 76 98 102 112 120 147 183 201 206 493 870 1018

find the middle number

= 120

mode :

number that is more than one

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The function is even, so $f(x)=f(-x)$

Therefore $a=f(2)=f(-2)=4$

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4 years ago

Simplify the expression

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Answer:

2500

Step-by-step explanation:

5×5 ( 5×5×5 - 5×2 )

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Answer:

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Step-by-step explanation:

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