Two workers, if they were working together, could finish a certain job in 12 days. If one of the workers does the first half of
2 answers:
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Answer:
Step-by-step explanation:
The equation of a circle has the following format:
In which r is the radius and the centre is the point
In this question:
Center at (3,-2), so
Radius 11, so
Then
Answer:
t = 1
Step-by-step explanation:
16 - 2t = t + 9 + 4t
=> 16 - 9 = 7t
=> 7 = 7t
=> t = 1