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Lady_Fox [76]
3 years ago
11

The scatter plot below can be used to find the approximate rate at which water flows through a garden hose. The line of best fit

for the scatter plot can be described by the equation y = 4/5x. If the rate, in gallons per minute, continues, approximately how many gallons of water will flow from the hose in 45 minutes?
36
39
56
24

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0

Answer:

36\ \text{gallons per unit} will flow from the hose in 45 minutes.

Step-by-step explanation:

The line of best fit for the scatter plot can be described by the equation :

y=\dfrac{4}{5}x

y is amount of water in gallons

x is time

When x = 45 minutes, put x = 45 in above formula as :

y=\dfrac{4}{5}\times 45\\\\y=36\ \text{gallons per unit}

So, 36\ \text{gallons per unit} will flow from the hose in 45 minutes.

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Answer:

The number of cases prior to the increase is 50.

Step-by-step explanation:

It is given that the number of measles cases increased by 13.6% and the number of cases after increase is 57.

We need to find the number of cases prior to the increase.

Let x be the number of cases prior to the increase.

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x+x\times \frac{13.6}{100}=57

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Divide both the sides by 1.136.

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