stormez
stormez stormez
  • 21-02-2020
  • Mathematics
contestada

could anyone please help?​

could anyone please help class=

Respuesta :

xinxiny44 xinxiny44
  • 21-02-2020

Answer:

b+3a

Step-by-step explanation:

MN=AN+AM

AN=0.5*AB

AB=OA+OB=4a+2b

AN=2a+b

AM=OA-OM=4a-3a=a

MN=2a+b+a=3a+b

Answer Link
jimrgrant1 jimrgrant1
  • 21-02-2020

Answer:

MN = b - a

Step-by-step explanation:

N = [tex]\frac{1}{2}[/tex]BA

BA = a - b = 4a - 2b

[tex]\frac{1}{2}[/tex]BA = [tex]\frac{1}{2}[/tex] (4a - 2b) = 2a - b

Thus

MN = MO + OB + [tex]\frac{1}{2}[/tex] BA

      = - 3a + 2b + 2a - b

     = b - a

Answer Link

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