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chuchi24
20.05.2021 •
Mathematics
Suppose the linear regression line y = 2.009x - 37.131 predicts a pizza a
parlor's profits based on the number of pizzas sold. If x represents the
number of pizzas sold, and y represents the pizza parlor's profits in dollars,
about how much can the pizza parlor expect in profits
if it sells 275 pizzas?
Solved
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Ответ:
$515.35
Step-by-step explanation:
y-hat = 2.009x - 37.131
y-hat = 2.009(275) - 37.131
y-hat = 552.475 - 37.131
y-hat = 515.344
Therefore, the pizza parlor can expect a profit of $515.35 if it sells 275 pizzas.
Ответ:
2 and 4 hours
Step-by-step explanation:
Check with substitution in the inequality: 10 + 3h < 27