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ANEK
3 months ago
13

Laura placed a bucket of water in her garden. Over the course of a week, she watched the water evaporate and recorded the volume

of water left in the bucket each day.
Laura found the linear model that best fit the data was V=5.00−0.25n, where n is the number of days since she first placed the bucket and V is the volume of water, in liters, remaining in the bucket.

How many liters of water evaporated from the bucket every day?
How may liters where inside the bucket when Laura first placed it in the garden?
Mathematics
1 answer:
Zina [12.3K]3 months ago
4 0

Response:

1. 0.5 L; 2. 5.00 L  

Detailed explanation:

V = 5.00 - 0.5n

Including units, the equation can be expressed as

V(in litres) = 5.00 L - (0.5 L/day) × (n days)

1. Evaporation rate

When units are included, it becomes clearer that water is evaporating at a rate of 0.5 L per day. In essence, 0.5 L evaporates daily.

The negative sign indicates a reduction in water volume.

2. Initial volume

Initially, when n = 0, we find

V = 5.00 - 0.5×0 = 5.00 - 0 = 5.00 L

This means the bucket originally held 5.00 L of water.

 

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