Gemgirl8899 Gemgirl8899

03-11-2015
Mathematics

contestada

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

Respuesta :

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

How would I unscramble this? ¿Uds. adónde van los fines de semana ?

Which list includes elements with the most similar chemical properties? 1.Br, Ga, Hg 2. Cr, Pb, Xe 3. O, S, Se 4. N, O, F

a minivan can hold up to 7 people. How many minivans are needed to take 45 people to a basketball game?

in the last judgment god tells the judge that kugler committed murders because

16/18 into simplest form

What percent of 88 is 33

When did the Vietnam war end

Which of the following study topics would use APA formatting?

There are 48 students in a school play.The ratio of boys to girl is 5:7.How many more girls than boys are in the play? Explain how you found your answer.

Which two numbers add up to 21 and multiply to make 32