Gemgirl8899 Gemgirl8899
  • 03-11-2015
  • Mathematics
contestada

Change the subject of the formulae to b::: 8a + 3b = 12. And 3b^2=27

Respuesta :

TSO
TSO TSO
  • 03-11-2015
8a + 3b = 12
3b = 12 - 8a

[tex]b = \frac{12-8a}{3}[/tex]


And...

3b^2 = 27
b^2 = 9
[tex]b = \pm 3[/tex]
b = 3
b = -3
Answer Link

Otras preguntas

Describe the role of trade routes in the Eastern Mediterranean, and then give your opinion as to why the Phoenicians were so successful.
Will notices that crickets seem to chirp more frequently at night in June than they do in October. He asks himself, "How do temperature changes affect how often
What are two advantages that a market economy has over a mixed economy??
Where is water stored in the environment?
Justin has limited range of motion oh his legs but wants to compete on the obstacle course he and his friends created what accommodation can be made to help him
What happens when you log transform the dependent data in an exponential growth curve?
What are two factors that hastened the end of the ottoman empire??
What was the purpose of the first bank of the united states?
What three plans do the trojans have regarding the horse??
why is homogeneous mixture not considered a pure substance