Which event is closest to being fair?

Event c

Event d

Event b

Event a

Which event is closest to being fair?Event cEvent dEvent bEvent a

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Ответ:

ketabug50

27.04.2023

Mathematics

$\boxed{y = 0,5x + 2,5}$

Step-by-step explanation:

Equation of a straight line: y = kx + b

Points: (-1,2) and (3,4)

Сompose the system of equations:

$\displaystyle \left \{ {{2=-k + b} \atop {4=3k + b}} \right$ $\displaystyle \left \{ {{b= k + 2} \atop {b=4 - 3k}} \right \Longrightarrow 2 + k = 4 - 3k$

2 + k = 4 - 3k

4k = 2|:4

k = 0,5

b = k + 2 = 0,5 + 2 = 2,5

y = 0,5x + 2,5

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