Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she used 6.2 years as her time period. Explain how she would calculate the difference between how much water levels rose on average and how much the water level fell in the part of the river she observed.

Respuesta :

Answer:

awnser is -13.64

Step-by-step explanation:

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The difference in water level will be calculated using the relation : (11.16-x) mm

Given that :

Rate at which water is rising = 1.8mm/year

Time period = 6.2 years

At the rate given :

Average water level at the period, time = 6.2 years

Average water level = Rate of change × time

Average water level = 1.8 × 6.2 = 11.16 mm

To obtain the difference in average water level and a certain measured point :

The value of water level in the measured point isn't given; assume this value is x

Hence, difference between average water level and point, x

Difference = (11.16 - x) mm

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