annacruzbhwille annacruzbhwille

17-10-2015
Mathematics

contestada

If y varies directly as the cube of x, what is the value of y in the ordered pairs (4, 16)(2, y)?

Respuesta :

konrad509 konrad509

17-10-2015

[tex]y=kx^3\\\\ 16=k\cdot4^3\\ 64k=16\\ k=\dfrac{16}{64}=\dfrac{1}{4}\\\\ y=\dfrac{1}{4}\cdot2^3\\ y=\dfrac{1}{4}\cdot8\\ \boxed{y=2} [/tex]

Answer Link

Otras preguntas

A speech on "books are the best companions".

Solve for x 2x^2/3=dg

Contrast inference and prediction.

Give an example of an ethical or moral question that science cannot address.

Number 23 please show me how to do it and the answer

which types of laws does judasim uphold?

If a leaf branch of a healthy potted plant is covered a polythene bag tiny water droplets are seen .why does this happen ? Which part of the leaf is responsible

The density of gold is 19.3g/cm3. The density or iron pyrite is 5.0g/cm3. If a nugget of iron pyrite and a nugget of gold each have a mass of 50g, what can you

The density of gold is 19.3g/cm3. The density or iron pyrite is 5.0g/cm3. If a nugget of iron pyrite and a nugget of gold each have a mass of 50g, what can you

A roller coaster car rapidly picks up speed as it rolls down a hlope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of