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 ( 95+ )
Otras preguntas
what is the prefix of enactment?
Orchids are a type of flowering plant. How would biologists explain how a living orchid species lacking leaves evolved from an ancestral orchid species that had
which is more acidic pH2, pH4 or pH6?
which is more acidic pH2, pH4 or pH6?
SAT Help Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job? How d
What is 60 divided by 100 and why? ( I got 0.6 but I'm not sure ) plz hurry
how does the carbon cycle work in the desert
Help please this I'd for geometry
Predict what happens when zinc is added to water
SAT Help Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job? How d
