ginajoseph509 ginajoseph509
  • 19-10-2017
  • Mathematics
contestada

When x = 8, y = 20. Find y when x = 42

Respuesta :

vk2892
vk2892 vk2892
  • 19-10-2017
The answer that I got was y=105
     
Hope this helps!
Answer Link
umerakh
umerakh umerakh
  • 19-10-2017
8x20
42xy
cross multiply both the equation 
8y=42*20
8y=840
y=840/8
y=105
Answer Link

Otras preguntas

Solve 2x2 + x - 6 = 0 {-3/2, 2) {-2, 3/2)
y = -(x + 5)(x + 1)​
PLSSS HELP!! WILL GIVE BRAINLIEST!
How do fungi benefit trees?
A cone has a volume of 769.3 cubic yards and a height of 15 yards. What is its radius? Use ​ ≈ 3.14 and round your answer to the nearest hundredth.
You arrive in my class 45 seconds after leaving math which is 90 meters away. How fast did you travel?
6x2+40=31x factorise the quadratic equation
A population of tree frogs lives in a forest. A river runs through the middle of the forest. A particularly snowy winter is followed by an unusually rainy sprin
What is the speed of a wave with a frequency of 6oHz and a wavelength of 20m
The rising action in this story is best characterized by which event? The narrator explains that she doesn't really like the yellow wallpaper in the playroom o