joli2020
joli2020
03-08-2017
Mathematics
contestada
Please help on this one!
Respuesta :
texaschic101
texaschic101
03-08-2017
n / (8/11) = (2 1/5) / (1 1/7) =
n / (8/11) = (11/5) / (8/7) =
cross multiply
(8/7)(n) = (8/11)(11/5)
8/7n = 8/5
n = 8/5 * 7/8
n = 56/40 which reduces to 7/5 or 1 2/5 <==
Answer Link
Аноним
Аноним
03-08-2017
2 1/5 / 1 1/7 = 11/5 / 8/7 = 11/5 * 7/8 = 77 / 40
n / 8/11 = n * 11 /8 = 11n / 8
11n / 8 = 77/40
55n/40 = 77/40
55n = 77
n = 77/55 = 7/5
Answer Link
VER TODAS LAS RESPUESTAS ( 66+ )
Otras preguntas
(5x+2) and {3(x+14)} what is
The greatest common divisor of two positive integers less than $100$ is equal to $3$. Their least common multiple is twelve times one of the integers. What is t
Josiah began to rid Jerusalem and Judah of idolatry in the __________ year of his reign.
_____ involves experiencing something beyond oneself in a transcendent manner and living in a way that benefits others and society.
It is generally believed that the best focus groups are composed of participants who share heterogeneous characteristics. a) true b) false
A boy thinks he has discovered a way to drink extra orange juice without alerting his parents. For every cup of orange juice he takes from a container of orange
Is the product of square root of 16 and 4/7 rational or irrational
Find angle A in the following triangle. A. 35.54 B. 35.67 C. 36.24 D. 36.77
A large crane used at a construction site has a 253 foot reel of cable. A 3-foot section of cable weighs 2 pounds. What is the weight of the cable on the reel?
Which one of the following is nota service of depository institutions? A) Providing a place for reserve account deposits. B) Lowering the cost of monitoring bor
