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katovenus [111]
3 years ago
6

HELP ME PLZ Between 9 P.M. and 6:20 A.M.​, the water level in a swimming pool decreased by 7/12 . Assuming that the water level

decreased at a constant​ rate, how much did the water level drop each​ hour? The water level decreased by nothing in. each hour.
Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0

Answer:

0.06245

Step-by-step explanation:

Decrease 7/12=0.583

from 9 p.m to 6:20 am is 9:20= (9+20/60) = 9.33 hours

0.583/9.33 = 0.06248

round the 0.06248 to 0.06245

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a) The linear function that models the population in t years after 2004 is: P(t) = -200t + 29600.

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<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The initial population in 2004, of 29600, is the y-intercept. In 12 years, the population decayed 2400, hence the slope is:

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More can be learned about linear functions at brainly.com/question/24808124

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