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 ( 54+ )
Otras preguntas
A vacant city law is being turned into a neighborhood Garden the neighbors want to fence in a triangular section of the lot and plant a flower tree there the lo
Which statement most accurately describes the role of the Democratic and Republican parties in US politics
What is the term used by Microsoft to describe a collection of bug fixes and security updates made since an OS release?
What is the value of r In the equation 5r=-40?
2.4 is what percent of .22
At this appliance store, the monthly sales were $52,900 in May and $78,300 in June. What is the percent increase in the sales from May to June, rounded to the n
Your school has just been awarded a technology grant. Each grade level team has been asked to submit a proposal for how they could use the money. Your team puts
If you lived on the Moon, would you see Earth go through phases? If so, would the sequence of phases be the same as those of the Moon as seen from Earth, or wou
If a heterozygous plant is allowed to self-pollinate, what proportion of the offspring will also be heterozygous?
A coal mine cost $1,009,000 and is estimated to hold 57,000 tons of coal. There is no residual value. During the first year of operations, 12,000 tons are ex
