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

The orchestra at millard middle school has 120 members,Of these,30% are eighth-grades students.Find the number of 6th and 7th grade students in the orchestra. s
What was President Anson Jones most pressing issues
Ten more than twice a number is 34 plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help
Cary is 7 years older than Dan. In 7 years the sum of their ages will be 79. Find the age of each man now.
Every bill which shall have passed the House of Representatives and the Senate, shall, before it become a Law, be presented to the President of the United State
Can you plz help me with this problem I’ve been stuck on it for a long time
What happens to the value of the expression 5/x+5 as x decreases from a large positive number to a small positive number? 1.It increases 2.it decreases 3.it sta
Can someone please help me i have to present this slide and i dont know what to say about it and my topic is Should a University education be free in the United
in of mice and men what happens to the girl in weed
define redistrict in government​