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

an increase in the transparency of earths atmosphere is often caused by
Why have the Atlantic Provinces developed differently than the Northwest territories? a. The Atlantic Provinces have a more temperate climate and are suitable f
What is separation of powers? A. dividing legal powers among different courts B. dividing military powers among branches of the military C. dividing politica
Unlike some of its neighbors, the country of Jordan lacks natural resources like water and oil. Instead, Jordan’s main industries refine products like petroleum
Who fought in the Punic Wars? A. Rome and Greece B. Athens and Sparta C. Rome and Carthage D. Rome and Egypt
three more than two times a number is three
Eric's notebook has 30 pages. He wants to writes a number on each page. How many digits will he write when he numbers all the pages in the notebook? A. 9
When the sum of an unknown number z and twenty-two is divided by the same unknown number, the quotient is twelve. What is the unknown number?
if a 12-Newton force is applied to a 6-kg object, what is the objects rate of acceleration or speed?
What is the length of each side of a room if it is 784 square feet?