buky0910p6db44
18.03.2021 •
Mathematics
2x - 2y = 2
2x + y = 11
The solution is?
Solved
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Ответ:
x = 4, y = 3.
Step-by-step explanation:
2x - 2y = 2
2x + y = 11 Subtract:
-3y = -9
y = -9/-3
y = 3
Plug y = 3 in equation 1:
2x - 2(3) = 2
2x - 6 = 2
2x = 2 + 6 = 8
x = 4.
Ответ:
Ответ:
14.4%
L*W*H=V=10*9*4.5=405 in^3.
that is 50.5 in^3 over the estimate, or 14.4%