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 ( 64+ )
Otras preguntas
A boat is subject to hydrodynamic drag forces of F = 40v 2 [N] where v is the magnitude of velocity in [m/s]. The boat’s mass is 450 kg and it is moving at 10 m
anyone please answer this
100 POINTS!!!!! PlZ help Find all possible values of the digits Y, E, A, R if YYYY - EEE + AA - R = 1234, and different letters represent different digits.
A box on a ramp is connected by a rope to a winch. The winch is turned so that the box moves down the ramp at a constant speed. The box experiences kinetic fric
Paula is working on a project for an iOS app that will show action clips with special effects to promote a new musical drama. The app must also enable users to
The speed of cars passing through the intersection of Blossom Hill Road and the Almaden Expressway varies from 14 to 35 mph and is uniformly distributed. None o
A 3.00 m-long 6.00-kg ladder pivoted at the top hangs down from a platform at the circus. A 42.0-kg trapeze artist climbs to a point where her center of mass is
need help with these questions
Paul, a Caucasian male, works as a tennis coach with Jenneta, an African-American female. There is a well-known stereotype in the tennis community that women ca
Please answer this correctly
