A rectangle has a vertices E(-4,8),F(2,8),G(2,-2) and H(-4,-2). The rectangle is dilated with the origin as the center of dilate
d so that G is located at (5,-5). Which algebraic representation represents this dilation.
A. (x,y)—> (x+3, y+3)
B. (x,y)—> ( 2/5x, 2/5y)
C. (x,y)—>(x -5, y -5)
D. (x,y)—> (2.5x, 2.5y)
A. (x,y)—> (x+3, y+3)
B. (x,y)—> ( 2/5x, 2/5y)
C. (x,y)—>(x -5, y -5)
D. (x,y)—> (2.5x, 2.5y)
2 answers:
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Missing part of the question
Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)
Answer:
Step-by-step explanation:
Given
For 5 people
Using the given instance of 5 people, the number of handshakes can be represented as:
The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.
Where
--- The first term
--- The last term
So: