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Cluster: A collection of data objects
similar (or related) to one another within the same group
dissimilar (or unrelated) to the objects in other groups
Cluster analysis (or clustering, data segmentation, …)
Finding similarities between data according to the
characteristics found in the data and grouping similar
data objects into clusters
Unsupervised learning: no predefined classes (i.e., learning
by observations vs. learning by examples: supervised)
Typical applications
As
geometry
Vertex
A point where two or more straight lines meet.
Angle Addition Postulate
for any angle, the measure of the whole is equal to the sum of the measures of its non-overlapping parts
Angle Bisector
a ray that divides an angle into 2 congruent angles
Midpoint
a point that divides a segment into 2 congruent segments
Reflexive Property
A quantity is congruent (equal) to itself. a = a
Symmetric Property
If a = b, then b = a
Transitive Property
If a=b and b=c, then a=c
Complementary Angles
Two angles whose sum is
Read MoreMATH141
1.1 Systems of Linear Equations:
- A system of linear equations can be represented by an augmented matrix.
- An elementary row operation is one of the following:
- Interchanging two rows.
- Multiplying a row by a nonzero constant.
- Adding a multiple of one row to another row.
- A system of linear equations is consistent if it has at least one solution.
- A system of linear equations is inconsistent if it has no solution.
1.2 Row Reduction and Echelon Forms:
- A matrix is in row echelon form if:
- All rows that contain only
algebra 2
11.1.2
What are tissues made of?
Groups of cells.
What are organs made of?
Tissues.
In the human body, what are systems made of?
A group of organs.
Which type of tissue produces movement?
Muscle tissue.
Which type of tissue coats surfaces?
Epithelial tissue.
Which type of tissue carries messages?
Nervous tissue.
What is the function of a motor neuron?
Controls muscles.
What do sensory neurons do?
Detect feel and smell.
What is the name for all the neurons in the central nervous system?
Interneurons.
Which is a part
Read Morestatistics cheet sheet test 2
- The time for a professor to grade an exam is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes. What is the probability that a randomly selected exam will require more than 16 minutes to grade?
a.0.7734 normalcdf(16,1E99,12.6,2.5)
rhsd
BLOCK 11. Types of language teaching approaches -Communicative approach: In CA is very important the social nature of English and interaction. The activities that are used are: problem solving activities (matching, sequencing, identifying…), creative activities (masks, birthday cards…) or interactive activities (interviews, surveys…).-TPR: Total physical response develops listening skills. It involving activity and movement and students can also take up leading roles in activities.-Task based
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