MelodyInTheSea MelodyInTheSea

29-11-2018
Mathematics

contestada

Evaluate the expression given the variable replacements.

20ab
--------
(a - b)

(if a = 4 and b = -2)

Respuesta :

mx709p8me8d mx709p8me8d

29-11-2018

Answer:

[tex]\frac{-80}{3}[/tex]

Step-by-step explanation:

20ab/(a-b)
[[tex]\frac{(20)(4)(-2)}{4-(-2)}[/tex]]/ Substitute the variables
[tex]\frac{-160}{6}[/tex] Multiply numerator and add denominator
[tex]\frac{80}{3}[/tex]

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