meredith48034 meredith48034

22-12-2018
Mathematics

contestada

Please help me with this math problem.

Please help me with this math problem class=

Respuesta :

jimrgrant1 jimrgrant1

22-12-2018

Answer:

b = 2

Step-by-step explanation:

Using the midpoint formula

(2, 1) = [ [tex]\frac{1}{2}[/tex](- 4 + 8), [tex]\frac{1}{2}[/tex](b + 0) ]

considering the y-coordinate, then

[tex]\frac{1}{2}[/tex] b = 1 ( multiply both sides by 2 )

⇒ b = 2

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