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rebekahhenton
24.02.2020 •
Mathematics
Solve the system of linear equations below.
2x + 3y = 2
x + 6y = 4
A. x = 0, y = 2/3
B. x = 2, y = -2/3
C. x = 4/3, y = 2/9
D. x = 4, y = -2
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Ответ:
The answer to your question is letter A. x = 0, y = 2/3
Step-by-step explanation:
Equation 1 2x + 3y = 2
Equation 2 x + 6y = 4
Solve the system of equations by elimination
- Multiply equation 2 by -2
2x + 3y = 2
-2( x + 6y = 4)
2x + 3y = 2
-2x - 12y = -8
0 - 9y = -6
y = -6/-9
y = 2/3
. Find x
2x + 3(2/3) = 2
2x + 2 = 2
2x = 2 - 2
2x = 0
x = 0/2
x = 0
Ответ:
We have then:
Sue = 0.426
Heidi = (12/15) = 0.8
Selena = (47.5 / 100) = 0.475
answer
the highest batting average was for Heidi with an average of 0.8