muhammadatiya548 muhammadatiya548
  • 22-11-2021
  • Mathematics
contestada

f x and r are inversely proportional and x = 9 when r = 72, then what is x when r = 40?

Respuesta :

VirαtKσhli
VirαtKσhli VirαtKσhli
  • 22-11-2021

Answer:

16.2

Step-by-step explanation:

r = k/x

  • when x = 9 and r = 72 ,

72 = k/9

k = 72*9

When r = 40 ,

x = k/r

x = 72*9/40 = 16.2

Answer Link

Otras preguntas

Ms. Johnson and Ms. Siple were folding report cards to send home to parents. The ratio of report cards Ms. Johnson folded to the number of report cards Ms. Sipl
How do you solve x+5=14?
A number is K units to the left of 0 on the number line. Describe the location of its opposite
Which group of algae is responsible for the formation of kelp beds along the north american coast?
Martha bought a $60 skirt at 40% off and a $40 blouse at 20% off. what percent discount did she receive on the total purchase?
what is the idiom of to start something
find 4 consecutive even integers whose sum is 244
round 1,129.872 to the nearest whole number
round 207,689 to the ten thousands place
what is 64 mi/h =_____ft/s ?