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

Alicia's garden is 6.3 square feet in length and 12.6 square feet in width.Tomato plants require 2 square feet of space. How many Tomato plants can Alicia fit
What times what equals 169
The __________ nervous system controls body functions that do not require thought.
The factory workers make 756 machine parts in 36 hours.Suppose the workers make the same numbers of machine parts each hour..How many machine parts do they make
What is a positive connotation for odd??
What does to squeeze a gas into a smaller space mean?
what happens during glycolysis
It took Marty 10 seconds to walk 15 feet. How fast was he walking in feet per second. Answer with supporting work
A student completing research for a project enters the following search terms: Drugs AND prescription AND cost Which of the following best describes the likely
What does n equal in algebra ?