Aidan is saving money to buy a new computer. He made a scatter plot and a linear model for the amount of money he has saved over the past eight weeks. The equation of the line is y=17.63x+27.52. Use the model to predict how much Aidan saved after 5 weeks

Question

Mathematics

Donald Bradley

2 April, 10:16

Aidan is saving money to buy a new computer. He made a scatter plot and a linear model for the amount of money he has saved over the past eight weeks. The equation of the line is y=17.63x+27.52. Use the model to predict how much Aidan saved after 5 weeks

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Answers (1)

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Janelle Hebert · Answer 1

If the scatter plot was made with weekly data (x axis in "weeks")

y = 17.63 (5) + 27.52 = 115.67 (money saved)

If the scatter plot was made with daily data (x axis in "days")

y = 17.63 (5*7) + 27.52 = 644.57 (money saved)

Step-by-step explanation:

We just need to apply the equation found by Adan with his model and substitute depending on wether his plot was on days or weeks.