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starlightmoon213
25.03.2020 •
Mathematics
Solve the systems of equations in numbers 1 – 9 using substitution. Show your work.
1. y = (2/3)x - 1
y = -x + 4
2. x + y = 0
3x + y = -4
3. 4x + 3y = -15
y = x + 2
4. x + 2y = -4
4y = 3x + 12
5. y = 2x
x + y = 3
6. x = 3 - 3y
x + 3y = -6
7. y = -2x + 1
y = x - 5
8. y = (1/2)x - 3
y = (3/2)x – 1
9. x + y = 2
4y = -4x + 8
Solved
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Ответ:
It would take 100 billion seconds, or 3,168.87 years.
Step-by-step explanation:
1 times 100 billion is 100 billion.
100 billion seconds is 3,168.87 years.