What is the sum of the matrices shown below?
14 19 -5 . -8 7 0
-14) (-1 17 6]
11 1919
9 24 6
O FO .
11
1-9
19
24
-19
6
-4
6
26
17
5
8
(4266
-4
26
-5
17
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Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?