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Pie
3 years ago
14

The equation of the linear regression line represents the relationship between the number of cars washed for charity, x, and the

amount earned for charity, y. yˆ=10x+20 How much money can the charity expect to earn if 50 cars come in for a wash?
a $3
b $20
c $720
d $520
Mathematics
1 answer:
kondaur [170]3 years ago
5 0
$520.
y=10x+20 
Where x is the amount of cars.
y=10(50)+20
y=500+20
y=$520
Answer option D
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