Mathematics, 18.12.2019 11:31 kj44

The matrices shows the number of dance students enrolled in each type of class for two different years.

enrollment 2008

ballet ballroom country

begineer 52 18 21

intermediate 64 10 6

advanced 33 9 15

enrollment 2009

ballet ballroom country

begineer 41 27 9

intermediate 67 15 17

advanced 48 11 6

which matrix shows the change in enrollment from 2008 to 2009?

a) 93 45 30

131 25 33

81 20 21

b) 11 9 12

3 5 11

15 2 9

c) -11 9 -12

3 5 11

15 2 -9

d) 11 -9 12

-3 -5 -11

-15 -2 9

the answer turned out to be c

Answers: 1

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The matrices shows the number of dance students enrolled in each type of class for two different yea...