mechanicdude mechanicdude

08-02-2017
Mathematics

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Question 1:

Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n?

A. −7 − 8n
B. −7 + 8n
C. −7 − 13n
D. −7 − n(10.5 − 2.5)
E. −7 + n(10.5 − 2.5)

Respuesta :

08-02-2017

i think it would be b -7+8n

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Аноним Аноним

08-02-2017

simplifying:-
-3.5(2 - 3n) - 2.5n
= -7 + 10.5n - 2.5n
= -7 + n(10.5 - 2.5)
= -7 + 8n

so B and E

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