cindyy3 cindyy3
  • 01-09-2017
  • Mathematics
contestada

If z varies directly as x and z=30 when x=8 fine z when x=4

Respuesta :

stevemosby0
stevemosby0 stevemosby0
  • 01-09-2017
So for this one all you have to do is use the formular

Z*k=x

30k=8

K=4/15

Then when x=4


4/15x=4

So x=15
Answer Link

Otras preguntas

What is the exact volume of a cylinder that has a height of 1.8 ft and a radius of 6.1 ft? ft3
12 bags of plaster do 54m squared, how many bags are needed for 36m squared
Which are accurate statements about the Mormon faith and its founders? Choose all answers that are correct. A.Brigham Young became rich by leading Mormons to t
−4x + y = 6 −5x − y = 21
What is the volume of a cone that has a radius of 4 cm and a height of 9 cm? Use 3.14 to approximate pi and express your answer in hundredths. cm3
I need help factoring this trinomeal: 2x squared + 3x + 1
List three important steps in the early development of life on Earth?
decrease 64 by 60% what's the answer
−4x + y = 6 −5x − y = 21
Tetrachloromethane, CCl4, is classified as a (1) compound because the atoms of the elements are combined in a fixed proportion (2) compound because the atoms of