Gracie723
Gracie723
03-04-2018
Mathematics
contestada
(2a+b)^2÷(3b-1) when a= -2 and b=5
Respuesta :
zrh2sfo
zrh2sfo
03-04-2018
Evaluate (2 a + b)^2/(3 b - 1) where a = -2 and b = 5:
(2 a + b)^2/(3 b - 1) = (5 - 2×2)^2/(3×5 - 1)
3×5 = 15:
(5 - 2×2)^2/(15 - 1)
| 1 | 5
- | | 1
| 1 | 4:
(5 - 2×2)^2/14
2 (-2) = -4:
(-4 + 5)^2/14
5 - 4 = 1:
1^2/14
1^2 = 1:
Answer: 1/14
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
What is the difference between scattering and reflection, refraction, transmission and diffraction?
What is the domain and range for y=sqrt(x-4)?
Describe a real world scenario that is an arithmetic series. Show your work as you find the 7th term of your scenario.
4. Which of the following is the term used to describe a body's resistance to a change in motion?
Anything in an organism's environment that causes it to react is called a ___. Is it a home or stimulus? A. home B. asexual C. stimulus D. metablolis
christina bought a purse for $29.95 and x belts for $3.99 each. which of the following expressions shows the total amount of money she spent? 29.95x 3.99 29.95x
What causes two distinct pressure zones between the equator and the poles? . . A. The troposphere interacts with the stratosphere. B. Gravity. C. The Coriolis e
What is the domain and range of this function ( f (x) =5x-3)
18. Describe the relationship between photosynthesis and respiration. Use the word equations for each reaction.
The falling action of a story comes directly before the climax. a. True b. False
