17-12-2018
Mathematics

contestada

alma is finding the measures of the angles in a triangle that have the ratio 1:3:5. circle her mistake and correct it
x + 3x +5x = 180
8x = 180
x = 22.5

Respuesta :

jimrgrant1 jimrgrant1

17-12-2018

Answer:

error in summing terms in x

Step-by-step explanation:

x + 3x + 5x = 180 ( collect like terms on left )

9x = 180 ← ( 9x not 8x )

divide both sides by 9

x = 20

Answer Link

Otras preguntas

Which of the following is composed of cells? A. air B. water C. crystals D. mushrooms

Tension along folds and faults lead to all of the below EXCEPT: A. mountain ranges B. volcanoes C. earthquakes D. wind erosion

the difference between 4 and the product 6x is 40

steven has a rectangular rug with a perimeter of 16 feet the width of the rug is 5 feet what is the length of the rug

Rhodopsin is a light-sensitive receptor located in rod cells that announce the arrival of light.

why was Japan’s attack on Hawaii a strategic move?

how did english history between 1215 and 1750 help lead to the american revolution

Woodrow Wilson’s progressive platform was known as the New FrontierNew DealGreat SocietyNew Freedom

Activities that can help reduce the stress level in a family include __________. a. exercising b. reading c. going for a walk d. all of the above

The most socially responsible companies establish _____ for their vendors, setting clear policies for human rights, wages, safety, and environmental impact.