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

"are you finally off the phone" is an example of a question that

Which type of biotechnology would a dairy farmer use to mate the cows at his farm with genetically superior bulls to produce offspring that give high-quality mi

Can anyone help? There’s 2 solutions. (50 points + brainliest)

Vince is saving for a new mobile phone. The least expensive model Vince likes costs $225.90. Vince has saved $122.35. He used this solution to determine how muc

Is one of this sources more believable than the other as evidence about the effects of the dam? Explain your answer.

can u please I need help please

Priscilla can make three bracelets in 18 minutes at this rate how many bracelets can she make in 36 minutes?

Zooey buys an 8-pack of juice boxes at a total cost of $5.20. Complete the equation to determine the cost, c, per juice box, j. c= ___ ⋅j Use the equation

Experimental research is primarily a hypothesis-testing method. a. True b. False

What were your predicted results for glucose transport in the cold condition (4°c, 15mm glucose)? briefly state the physiologic basis for your prediction. did y