Da4n8autiezclaucewoe
Da4n8autiezclaucewoe Da4n8autiezclaucewoe
  • 19-07-2016
  • Mathematics
contestada

Which expression is equivalent to 2r(3s-5)?. .

A. 5r-7s
B. 6rs + 10r
C. 2r (3s-5)
D. 6rs-10r

Respuesta :

ColinJacobus ColinJacobus
  • 03-07-2019

Answer:  the correct option is

(D) [tex]6rs-10r.[/tex]

Step-by-step explanation:  We are given to select the expression that is equivalent to the following expression :

[tex]E=2r(3s-5)~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]

We will be using the following distributive property :

[tex]a(b-c)=ab-ac.[/tex]

So, from (i), we get

[tex]E\\\\=2r(3s-5)\\\\=2r\times 3s-2r\times 5\\\\=6rs-10r.[/tex]

Thus, the required equivalent expression is [tex]6rs-10r.[/tex]

Option (D) is CORRECT.

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