shadowangel84
27.01.2021 •
Mathematics
A cold water faucet can fill the bath tub in 12 minutes, and a hot water faucet can fill the bath tub
in 18 minutes. The drain can empty the bath tub in 24 minutes. If both faucets are on and the drain
is open, how long would it take to fill the bath tub? Enter your answer as decimal rounded to the
nearest tenths.
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Ответ:
Lines are the same if m1 = m2 and b1 = b2 (they intersect in infinitely many points)
If b1 ≠ b2 and m1 = m2 then lines are parallel and do not intersect
If m1≠ m2 then lines will intersect at one point
Step-by-step explanation: