4. A tank, which initially contained 80 liters of water, is being drained at a rate of 2.5 liters per minute.
How many liters of water remain in the tank after the following amounts of time?
30 seconds
a.
b.
7 minutes
c.
t minutes.

40 is the final : )

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step-by-step explanation:

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step-by-step explanation:

apex answer

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb