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serg [7]
3 years ago
15

3. Could a 5 x 8 matrix have dim Col A 6 and dim Nul A - 2? Justify your answer. (Hint: Think about the possible pivot rows and

columns
Mathematics
1 answer:
alexdok [17]3 years ago
4 0

Answer:

No

Step-by-step explanation:

A 5x8 matrix A represents a linear transformation between the vector space \mathbb{R}^8 and \mathbb{R}^5. Remeber that the columns of A generate the image of the linear transformation, which is a vector subspace of \mathbb{R}^5. Therefore, \dim \text{Col}A \leq 5, which is the dimension of the the total space.

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X=12
Hope this helps
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Heights of women have a bell-shaped distribution with a mean of 161 cm and a standard deviation of 7 cm. What percent of women f
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2 years ago
Identify the variable that is continuous data used discretely. Select all that apply. There are 3 bugs. The bugs are red, yellow
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Answer:

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Step-by-step explanation:

Discrete variables are variables which are counted and can only take on whole number values such as 1, 2, 3...,. For example, the number of students in a class; the number of legs of a spider.

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Though age is a continuous variable if the exact age is required as it can take up a wide range of values such as 2.5 years; 2.3 years, 5.8 days etc,. However, in some instances, it can be rounded up to whole number values in years, months, weeks or even days.

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The age of a student who is 12.2 years can be given as 12 years.

8 0
3 years ago
Multiplying by which number is equivalent to finding 15%?
Ahat [919]
.15 is your answer, seeing as .15 is equivalent to 15%
3 0
3 years ago
Read 2 more answers
Select the correct answer. Which expression is equivalent to this polynomial? 15x − 24 A. 5(3x − 8) B. 3(5x − 5) C. 3(5x − 24) D
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6 0
3 years ago
Read 2 more answers
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