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 ( 48+ )
Otras preguntas
The chemical name for sand is silicon dioxide. The two elements found in a sample of this sand are _____ (oxide, sand, silicone) and ____ (carbon, oxygen, sand)
Select all that apply. Which of the following are benefits of genetic engineering? new vaccines creation of toxic waste sterile offspring cancer drugs seedles
40435.29 rounded to the nearest thousand
What is the theme of a story is the that the author wants to teach readers about.?
What conclusion can be drawn about georgia's role in the war effort for world war i?
Given that the hypotenuse of this right triangle is 25 cm long and that tan(Θ) = 3 Find the values of x and y, accurate to the nearest tenth.
how many moles of hydrogen are in 2.8 moles of caffeine
You buy a new video game for $59.99. the sales tax is 8%. what is the total cost for the game including sales tax? $4.80 $64.80 $67.99 $124.79
Find the length of the diameter of a sphere with a volume of 1767.15 ft^3. 15 ft 20.5 ft 41 ft 7.5 ft
The philosopher known as _____________ advocated a state ruled by a philosopher-king, who would rule over others assigned tasks according to their talents.
