Y varies directly as x if y = 3 when x = 12 find y when x = 20

Question

03-04-2018
Mathematics

contestada

Y varies directly as x if y = 3 when x = 12 find y when x = 20

Respuesta :

Otras preguntas

Which statement is true about the two lines whose equations are given below? 4x - 2y= 5 4x + 2y=5 Choices They are parallel They are perpendicular They inte

Bon is an example of: A Universalizing religion B Ethnic religion C Denomination D Stupa After his Enlightenment, Buddha traveled to Rome. A True B False

Simplify: |3−8|−(12÷3+1)2

Which factors can result in mental disorders? Check all that apply. Genetics environment personal choice brain chemistry traumatic events

Find the circumference of the following

went deep sea fishing with his friends. while they were on the boat a hurricane struck. marco and his friends were brought ashore. where medical professionals o

Real question; My mom found out yesterday that our dog has cancer. But I do not know how to tell if it is something else. He is shaking in his hind legs, he h

essay about worst vacation?

Helpppp me 10 pointssss

Аноним Аноним · Answer 1 · 2018-04-03T14:25:23+02:00

Аноним Аноним

03-04-2018

y = kx, k being a constant

--------------------------------------
Find k :
--------------------------------------
When x = 12, y = 3
3 = k(12)
k = 3/12
k = 1/4

Equation : y = 1/4 x

--------------------------------------
Find y when x = 20:
--------------------------------------
When x = 20,
y = 1/4 (20)
y = 5

--------------------------------------
Answer: y = 5
--------------------------------------

Answer Link