3 years ago

The regression line for the given data is = 5.044x + 56.11. determine the residual of a data point for which x = 2 and y = 66.

Mathematics

1 answer:

iren [92.7K]3 years ago

5 0

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Help! Exponential Equation WITHOUT CALCULATOR

ale4655 [162]

$
1.
(2^{x} -2^{-x})^{2} = 4^{2} \\ \\2^{2x}-2*2^{x}*2^{-x} + 2^{-2x} =4^{2} \\ \\2^{2x}-2*2^{x-x} + 2^{-2x} =4^{2} \\ \\ 2^{2x}+ 2^{-2x} - 2=16 \\ \\ 2^{2x}+ 2^{-2x} = 18

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$\\ \\ ( 2^{x})^{3} - (2^{-x})^{3} =(4)((18)+1)= 76
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3 years ago

Rate of change of 15

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Answer:A General Note: Rate of Change

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Step-by-step explanation:

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3 years ago

Andrea paid $9.99 to join an online music service. If she purchases 12 songs each month at a cost of $0.80 per song, what will b

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Answer:

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Step-by-step explanation:

12x0.80=9.60, 9.60x6=57.6, 57.6+9.99=67.59

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