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 ( 88+ )
Otras preguntas
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
how might a scientist a determine whether trait sex-linked by observing the offspring of several genetic crosses
What is a series of events that cells go through as they grow and divide
how might a scientist a determine whether trait sex-linked by observing the offspring of several genetic crosses
Simplify (7-5i)(-3+9i)-(5+6i)^2
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
a soccer team played 160 games and won 65% of them. how many did they win?
How did the Declaration of Independence change the nature of the American Revolution?
Newtons third law of motion is also known as the law of ?
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
