thelonewolf5020
26.05.2020 •
Mathematics
The system ax + by = c ha the solution (2, -3) where dc + ey = f
A, b, c , d , e are non-zero real numbers. Select all the systems of equations with the same solution.
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Ответ:
#1 is 88 in
#2 is 7ft
#3 is 26m
Step-by-step explanation:#1 is 88in because 8 times 4 is 32 / 5 times 4 is 20 / 9 times 4 is 36/ now add those together nd you get 88
#2 is 7ft because 1/2 times 4/1 is 2 3/4 times 4/1 is 3 1/2 times 4/1 is 3 now add those together and you get 7
#3 is 26m because 1 times 4 is 4/ 2.1 times 4 is 8.4/ 3.4 times 4 is 13.6/ and when you add those together you get 26