bm42400
19.08.2020 •
Mathematics
The graph of a function is shown.
ty
2
x
-4 --2
0
2
4.
N
-4
Does
Solved
Show answers
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Ответ:
a = 7 and c = 12
Step-by-step explanation:
Set up 2 equations and use substitution:
4a + 2c = 52
12a + 4c = 132
In the first equation, c = 26 - 2a
We can plug that into the second equation to solve for a.
12a + 4(26 - 2a) = 132
a = 7
Plug a back in to either original equation to solve for c:
4(7) + 2c = 52
c = 12