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

The cost of a calculus textbook is $185.67 after a 6.75% sales tax is applied. What was the cost of the textbook before the tax was added?

1. select the best answer. which of these describes the oldest surviving instruments? they are flutes made from bones. they are harp-like instruments made from

A survey of a random sample of 210 male teens and 228 female teens, ages 13 years to 17 years, found that 122 of the male teens and 160 of the female teens brus

An owl eats its pray whole or in large pieces summarize what is found in an owl pellet and why it is regurgitated

give two coterminal angles (one positive and one negative) and the reference angle -4 pi/5

Can someone please answer this.

Find an equation of the circle that has center (-3, -6) and passes through (0, 1).

Alors that pulls water up, slowing its downward movement is O A permeability O B. capillary action O C. gravity O D. porosity SUBMIT

PLEASE HELP!!!! ILL GIVE BRAINLIEST

I WILL GIVE BRAINLIEST FOR THE FIRST RIGHT QUESTION Construct an argument supported by evidence to describe the connections between the number of people in a s