Lin drew a triangle and a dilation of the triangle with scale factor 2: D

B

1. What is the center of the dilation? Explain how you know.

2. Which triangle is the original and which triangle is the dilation? Explain how you know,

HH

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solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

your answer would be 12

the answer is 2/54

step-by-step explanation: