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

select all ratios equivalent to 3:6. 4:8, 2:3, 7:14
At which joint do the scapula and humerus meet? a. Hip b. Wrist c. Shoulder d. Elbow
1. Дано: а II b, с - секущая. <1 = 64°. Найти все углы.
The height of a fireplace must be 36 inches or less ?
for what purpose is a nuclear power plant typically used? why must the nuclear power plants of some countries that signed the nonproliferation treaty be monitor
The equation of a line is y=2/3x+1. Find the equation of a parallel line that goes through the point (6, 1)
PLEASE HELP Use the image of the rectangular prism to find the surface area. Round your answer to the nearest hundredth.​
Use the sets below to answer parts (a) through (f). U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} A: the numbers in U that divide
select all ratios equivalent to 3:6. 4:8, 2:3, 7:14
how can i solve this answer in 7th grade math