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 ( 53+ )
Otras preguntas
Solve the equation 8x-12=5+15
Describe how the characteristics of ocean water near an iceberg change from summer to winter. A. higher salinity and lower density B. lower salinity and higher
how does a writer create unease with negative diction
According to Hindu tradition, what is the source of the Ganges River?
Why is Roosevelt's speech so memorable? He emphasizes certain words and phrases It compared Americans to an army He used logic rather than emotion It was record
What steps did US President Bill Clinton take to attempt to secure Bosnia and keep the peace there? A. He hosted Bosnia's warring leaders at the Dayton Accords
Which is not determined by the type and arrangement of atoms in a mineral? A. thermal properties B. magnetic properties C. electrical properties D. its position
According to Hindu tradition, what is the source of the Ganges River?
A triangular sign has a base that is 44 cm and an altitude that is 40 cm. If one litre of paint covers 44000 cm squared, how many signs can be painted with one
Simplifying 16y + 4 + -1(5y + 15)
