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Fed [463]
3 years ago
9

The scatterplot shows the relationship between the number of slices of pizza eaten by each member of a football team (x) and the

number of laps around the block the player could run immediately afterward (y). The equation of the regression line shown on the graph is y = 10 – 0.67x:
Use the equation above to predict the number of laps a player who ate 7 slices can run.

Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

5.31

Step-by-step explanation:

Given the regression line equation, y = 10 - 0.67x, where,

x = number of slices of pizza eaten

y = number of laps run immediately

Number of laps run by a player who ate 7 slices of pizza can be predicted by plugging in x = 7 into the regression line equation to find y:

y = 10 - 0.67x

y = 10 - 0.67(7)

y = 10 - 4.69

y = 5.31

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8 0
3 years ago
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A store pays $365.84 for a fountain. The store marks up the price by 10%.
Ann [662]

Answer:

The store marks up the fountain by adding $ 36.58 to its original cost, bringing its retail price to $ 402.42.

Step-by-step explanation:

Given that a store pays $ 365.84 for a fountain, and then the store marks up the price by 10%, to determine the amount of the mark-up the following calculation must be performed:

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Thus, the store marks up the fountain by adding $ 36.58 to its original cost, bringing its retail price to $ 402.42.

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3 years ago
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Alex787 [66]

Answer:

See below

Step-by-step explanation:

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