Mialock2108 Mialock2108
  • 18-07-2017
  • Mathematics
contestada

Y varies jointly with w and z inversely with x. If y=36, when x=14, w=7 and z=8. Then what is y when x=20, w=16, and z=10?

Respuesta :

Аноним Аноним
  • 18-07-2017
y = kwz / x


36 = k*7*8 / 14 =  56k/14  = 4k

k  = 36 / 4  = 9 

so equation is y = 9wz/x

when x=20,w=16 and z=10:-

y= 9* 16*10 / 20  = 72
Answer Link

Otras preguntas

Jesse's dog Angel weights 18 1/2 lbs.. How many ounces does Angel weight?
What are the factors of 65. Like a factor tree.
Is 3/4 and 3/8 equivalent fractions and why? Thanks
Describe how you solved the following problem:I have a jar filled with $100 worth of quarters, nickels, and dimes. I have the same amount of each type of coin.
come si dice come ti chiami in spagnolo???
What are the factors of 65. Like a factor tree.
If the speedometer on a car indicates a constant speed, can you be sure the car is not accelerating? Explain
why did the intolerable acts happened??
What does Hajj mean?
A restaurant received a shipment of 42 gal of orange juice and 18 gal of cranberry juice. The juice needs to be poured into equal-sized containers. What is the