3 years ago

9x^2y^2-16 please answer my quwstion

Mathematics

1 answer:

tia_tia [17]3 years ago

8 0

Answer:

HOPE IT HELPS:)

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Marysya12 [62]

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Let t be number of minutes since tap is opened

water is increased by 20 gallons of water per minute.

sugar increase rate of 3 pounds per minute

water :- W(t) = 350 + 10 t

sugar :- S(t) = 10 + 3 t

concentration

C(t) = $\dfrac{S(t)}{W(t)}$

at t = 15 minutes

C(15) = $\dfrac{S(15)}{W(15)}$

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