Mathematics: The equation y = 6.3x + 67.4 is the equation of a linear model in a scatter plot comparing the ages of boys between 2 and 10 years old (x) and their average heights in centimeters (y). what is the average height of a 5-year-old boy? 98.9 cm 78.7 cm 67.4 cm 62.4

Hello,Step-by-step explanation:The first number is The second number is Their sum is:...

The equation y = 6.3x + 67.4 is the equation of

lilday8230

14.01.2022

Y = 6.3x + 67.4
The average height of a 5 year old boy is
6.3(5) + 67.4 = 31.5 + 67.4 = 98.9 cm

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nyctvinny8290

14.01.2022

The average height of a 5 year-old-boy ( x = 5 ) :
y = 6.3 x + 67.4
y = 6.3 * 5 + 67.4 = 31.5 + 67.4 = 98.9

A ) 98.9 cm

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eastonstelter

22.01.2021

Hello,

Step-by-step explanation:

The first number is

$\dfrac{8}{12}$

The second number is

$\dfrac{9}{12}$

Their sum is:

$\dfrac{8}{12} +\dfrac{9}{12} =\dfrac{8+9}{12}=\dfrac{17}{12}$

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