aleena21 aleena21
  • 03-03-2019
  • Mathematics
contestada

How to solve that question?

How to solve that question class=

Respuesta :

tramserran
tramserran tramserran
  • 03-03-2019

Answer:  D) 11

Step-by-step explanation:

Manipulate the "middle" section of the inequality to match 4r + 3:

-6 < -4r + 10 ≤ 2

multiply by -1 (which changes the direction of the inequality symbols):

6 > 4r - 10 ≥ -2

add 13 to all three sides:

6 + 13 > 4r - 10 + 13 ≥ -2 + 13

    19  >     4r  + 3    ≥  11

Thus, 4r + 3 is between 11 and 19 (including 11)

so the least possible value of 4r + 3 is 11

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