slswale slswale
  • 21-07-2017
  • Mathematics
contestada

The variable Z is directly proportional to X. When X is 3, Z has the value 54. What is the value of Z when X = 12

Respuesta :

CastleRook
CastleRook CastleRook
  • 26-07-2017
Given that z is directly proportional to x, then:
zαx
hence;
z=kx
therefore:
k=z/x
when x=3,z=54
thus;
k=54/3
=18
hence;
z=18x
therefore the value of z when x=12 will be:
z=18*12
z=216
The answer is z=216

Answer Link

Otras preguntas

What is the scientific name of 'touch me not' plant? can you give an explanation about its mechanism?
What are the functions of:Salivary Glands...Gallbladder...Liver...Pancreas..
how is acceleration of the cart related to the amount of force acting on it? the strips of it?
What is the passive voice of "I went to a movie"
Our body needs iron. Certain foods are rich in iron and iron tablets are usually recommended by doctors. but neither the food nor tablets are hard like iron? Wh
Insert 2 irrational numbers between 2/5 and 3/4
What are the functions of:Salivary Glands...Gallbladder...Liver...Pancreas..
Julius Caesar, hero or tyrant?! And why????
what event triggered world war i ?
Our body needs iron. Certain foods are rich in iron and iron tablets are usually recommended by doctors. but neither the food nor tablets are hard like iron? Wh