HaydenCats HaydenCats

20-04-2022
Mathematics

contestada

if y-x=4 and x is three times the value of y, what is the value of x + y?

A) -8
b) -4
c) 0
d) 6
e) 8

Respuesta :

francischukzydalz francischukzydalz

20-04-2022

Answer:

E = 8

Step-by-step explanation:

y - x = 4

y - (3y) = 4

y - 3y = 4

2y = 4

y = 4/2

y = 2

x = 3y

x = 3×2

x = 6

x + y = 2+6

x+y = 8

Answer Link

Otras preguntas

Similarities and differences between sweet 16 and quinceanera

You have learned about the rise and fall of the Soviet Union and its influence in Europe. Who or what was responsible for the end of communism in Europe?

The main goal of human relations is to

solve this inequality: 3p – 6 > 21.

The economy of early civilizations was based around _____

Use stoichiometry to calculate the number of moles produced of Iron (lll) oxide given three moles of water. A.) 1 mole Fe B.) 1 mole Fe2O3 C.) 3 moles H2O D.)

The area of a playground is 336 yd2. The width of the playground is 5 yd longer than its length. Find the length and width of the playground

Rousseau believed in all of the following, EXCEPT: A. balance of heart and mind B. abolition of the church C. rule of the general rule D. education fostering na

TRUE OR FALSE?? British control of the fur trade and of land in the central part of North America led to war with France, who had set up colonies along the East

A car travels down a highway at 25 m/s. An observer stands 150 m from the highway. (a) How fast is the distance from the observer to the car increasing when th