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 ( 78+ )
Otras preguntas
Two arcs of a circle are congruent if and only if their associated chords are congruent. True or False.
What is a substance used to decrease the rate of a chemical reaction
What are the types of health care systems
Find the amount of time needed for the sinking fund to reach the given accumulated amount. (Round your answer to two decimal places.) $295 monthly at 5.2% to ac
You may encounter in rural areas at a higher rate than urban areas. A. drunk pedestrians B. wildlife or livestock C. commercial vehicles D. medical transport
Which of the following is NOT a valid method to increase a variable named score by 1? a. ++score = score + 1 b. score = score + 1 c. score++ d. ++score
Which of the following is true for identical twins? A. They are attached until just before birth. B. They can have different genes. C. They can have different f
What is the greatest distance an image can be located behind a convex spherical mirror?
Which of the following happens during a lunar eclipse? A: Earth casts a shadow on the moon. B: The moon casts a shadow on Earth. C: Earth stops revolving in it
A curve of radius 28 m is banked so that a 990 kg car traveling at 41.1 km/h can round it even if the road is so icy that the coefficient of static friction is
