Briannalyse Briannalyse
  • 25-07-2015
  • Mathematics
contestada

the variables x and y are inversely proportional, and y=2 when x=3 what is the value of y when x=9

Respuesta :

naǫ
naǫ naǫ
  • 25-07-2015
Inverse proportion:
[tex]xy=k[/tex]

y=2 when x=3.
[tex]3 \times 2=k \\ k=6 \\ \\ xy=6[/tex]

y=? when x=9.
[tex]9y=6 \\ y=\frac{6}{9} \\ y=\frac{2}{3}[/tex]

y=2/3 when x=9.
Answer Link

Otras preguntas

Sarah bought a motorcycle. She paid 15.5% in tax. The tax added $1535.50 to the price of the motorcycle. What was the price of the motorcycle, not including t
Why was the House of Burgesses so important? It was the first colonial representative body It was the first sight of a colonial constitution It was the first ju
why did people flock to the cities in the late 1800's?
I NEED TO KNOW NOW! IS THE LIZZIE MCGUIRE MOVIE A MUSICAL!??? TELLL MEEE
according to the graph of F(x), which of the statements below are true? check all that apply​
You adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30°C to 36°C. What's the velocity of th
Marta grows crops on one section of land for several years, and then lets it lie fallow for many years after that. Which type of crop production is this conside
Why isn't this thesis statement acceptable? "I am going to tell you why you should add solar panels to your home." Question 10 options: A) It is not acceptable
Can someone help me with this please
Why do bullies and criminals often say things online they otherwise wouldn’t say