STARTER1986 STARTER1986

02-12-2017
Mathematics

contestada

If we know that u varies inversely as x and y =8 when x=15, what is y when x=10? What is the constant of variation?

Respuesta :

altavistard altavistard

02-12-2017

The appropriate math model would be y = k/x.

Unsure of why you are using " u " here.

If y = 8 when x = 15, then 8 = k/15, and k = 120. This is the const. of var.

Then y = 120/x. If x = 10, y = 120/10 = 12.

Answer Link

Otras preguntas

What is the solution set to the equation (3x−9)(5x−3)=0? {35,3} {3} {35,53} {−3,−35}

if 15 baseballs weigh 75 ounces how many baseballs weigh 1 5 ounces

PLEASEEEEE HELPPPPP ASAPPPP

Below is an image of a well. Explain what type of well this is and how it works

slope and y-intercept from graphs

People are often reminded to conserve water. Explain why we should conserve water if water is never lost but is constantly recycled throughout Earth.

which from of democracy dose the United States have?

Hey i really need help plus I will mark BRAINLEST.... :) I need you to come up with a topic sentence for antibiotics and there history. I think it’s pretty easy

1) A region of the country is rapidly growing in population, causing the demand for electricity to go up each year. As a result, a new source of electricity is

Annabelle went rock climbing. The below graph is a model of her climbing as time passes. Answer the following questions about the graph: a. What are the labels