prettboyrob779 prettboyrob779

04-06-2018
Mathematics

contestada

The sides of a traingle are in the ratio 3:4:5. what is the length of each sdie of the traingle is 30 cm

Respuesta :

10-06-2018

x - the unit
3x; 4x; 5x - the lengths of the sides
3x + 4x + 5x = 30
12x = 30 |:12
x = 2.5
3x = 3 · 2.5 = 7.5 cm
4x = 4 · 2.5 = 10 cm
5x = 5 · 2.5 = 12.5 cm

Answer Link

Otras preguntas

what is the predicate adjective for: Snakes have often been helpful to humans

Which of the following pairs of charged particles will result in a repelling force acting between the particles? A neutral charge and a neutral charge A posit

What are two characteristics that the Abrahamic religions share?

Why is falling more dangerous for the elderly than the young?

change 16/20 to tenths

80 points ! Andrew charges $18 for each lawn he mows. Suppose he mows 17 lanes per month. How much money will andrew make per month ?

4x-12y=2;(10,-1)a) y= -1/3x+7b)y=-1/3x+29c)y=3x+29d)y=-3x+29(10points)

Geometry help please! this is my last try! The two triangles below are similar. What is the similarity ratio of ΔABC to ΔDEF? A 3:1 B 1:3 C 2:1 D 1:2

What purpose is served by the carved figures that adorn the entryways at chartres cathedral?

A yurt, or circular tent, has a radius of 3 m. What is the area of the floor of the yurt? Use 3.14 for π .