AzeemN702449 AzeemN702449

27-10-2022
Mathematics

contestada

Select all the expressions that are equivalent to –2/5(15 – 20d + 5c).

Respuesta :

DeilaniI153096 DeilaniI153096

27-10-2022

Equivalent expressions

-2/5(15 – 20d + 5c).

Apply PEMDAS method, first eliminate parenthesis

Apply distributive law

a • ( b+c+d) = ab + ac + ad

(-2/5)•15 -(-2/5)•20d + (-2/5)•5c =

(-30/5) - (-40/5)d + (-10/5) c =

-6 + 8d - 2c

Then option right is B)

Answer Link

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