Answer:
b = 6i then a = -6i
b = -6i then a = 6i
Step-by-step explanation:
a+b=0
ab=36
a = -b
a(b) = 36
-b * b = 36
- b^2 = 36
b^2 = -36
Take the square root of each side
sqrt(b^2) = sqrt(-36)
b =± 6i
a = - (± 6i)
so b = 6i then a = -6i
b = -6i then a = 6i
Let a and c be adults and children, respectively. Then:
a+c=500
5a+2c=1540
Solve for a and c
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Answer:
5.5 liters
Step-by-step explanation: there are 1000 milliliters in a liter, so divide 5,500/1000
