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Karo-lina-s [1.5K]
2 years ago
15

Marquis wrote the linear regression equation y = 1.245 x minus 3.684 to predict the cost, y, of x songs purchased. marquis spent

$40 on songs. which is the best estimate of the number of songs that marquis purchased? 29 32 35 46
Mathematics
1 answer:
mina [271]2 years ago
5 0

Answer:

35

Step-by-step explanation:

1. Write the equation

y = 1.245x - 3.684

2. Set y = 40, since that is the cost of the songs he purchased.

40 = 1.254x - 3.684

3. Add 3.684 to both sides

43.684 = 1.254x

4. Divide by 1.254

x = 35.0875502

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