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Maths-

SAT

Easy

Question

Which of the following is closest to the equation of the line of best fit shown?

$y = 54 x + \frac{7}{5}$
$y = \frac{7}{5} x - 54$
$y = \frac{7}{5} x + 54$
$y = \frac{7}{5} x$

The correct answer is: $y equals 7 over 5 x plus 54$

The line passes through (4,60) & (8,66)
$S l o p e space equals space m space equals space fraction numerator 66 minus 60 over denominator 8 minus 4 end fraction equals 6 over 4 equals 3 over 2$
y - intercept = 54
$y equals 3 over 2 x plus 54$
The closest is $y equals 7 over 5 x plus 54$

Related Questions to study

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Protein (grams)

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Calories

Total fat (grams)

Protein (grams)

Pecan

198

20.2

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80

6.5

3.0

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159

13.9

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166

14.6

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4.3

Lionel purchases 1-pound bags of each of the five seeds and nuts shown in the table. Of the following, which best approximates the average (arithmetic mean) number of calories per bag?
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Seed or nut

Calories

Total fat (grams)

Protein (grams)

Pecan

198

20.2

3.0

Pistachio

80

6.5

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Pumpkin

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13.9

8.5

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166

14.6

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Walnut

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18.5

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Protein (grams)

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20.2

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Pistachio

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