Find the constant of variation

Assignment Help Mathematics
Reference no: EM13199156

The volume of a cone varies jointly as the height and the square of the radius of the base. A cone height 8 cm and a base of diameter 9 cm has volume 54π. Find the constant of variation and use it to develop the general formula for the volume of a cone.

Reference no: EM13199156

Questions Cloud

What must be the amount of the finance charge : The store uses the unpaid balance method. According to this information, what must be the amount of the finance charge?
For what values of p is the population in equilibrium : Consider the population model dP/dt=.3(1-P/200)(P/50-1)where P(t) is the population at time t. For what values of P is the population in equilibrium?
The advantage of a centrally planned economy : What is the advantage of a centrally planned economy. low unemployment due to guaranteed jobs or high levels of consumer satisfaction or else.
Interpret the practice of prostitution : You are a sociologist who uses the conflict perspective to study various aspects of our society. How do you think you would interpret the practice of prostitution? Contrast this view with the functionalist perspective.
Find the constant of variation : The volume of a cone varies jointly as the height and the square of the radius of the base. A cone height 8 cm and a base of diameter 9 cm has volume 54π. Find the constant of variation and use it to develop the general formula for the volume of a..
Write an equation for the profit : If $40 is charged for a set up fee, and the monthly hanger rental is $800; write an equation for the profit, P, in terms of x.
State development differs from the life-span approach : Describe how the traditional approach to development differs from the life-span approach. 2 what are cephalocaudal and proximodistal patters of development
Need to compute weighted average cost of capital : Initial investment outlay of $30 million, consisting of $25 million for equipment and $5 million for net working capital (NWC) (plastic substrate and ink inventory); NWC recoverable in terminal year
Describe significant legislation : Describe significant legislation that has shaped federal and state policy language in the United States in the last 30 years. What are the effects of these policies, particularly in the education system?

Reviews

Write a Review

Mathematics Questions & Answers

  Important information about probability and statisics

Important information about Probability and Statisics. Find the probability that a randomly selected adult has an IQ between 90 and 110

  How long will it take for the purchasing power

The purchasing power of a dollar is decreasing at the rate of 7.3% annually, compounded continuously. How long will it take for the purchasing power of $1.00 to be worth $0.42? Round answers to the nearest hundredth.

  How fast is the radian measure of the angle

How fast is the radian measure of the angle between the ladder and the ground changing at the moment when the bottom of the ladder is 12 feet away from the wall?

  Vectors-resultant and angle

Two forces of 255 N and 325 N act on an object. The angle between the forces is 64 degree. Find the magnitude of the resultant and the angle that it makes with the smaller force.

  What is the circumference of the circle

You have a wire that is 38 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The other piece will be bent into the shape of a circle. Let A represent the total area of the square and the circle. What i..

  Formulas for volumes of cone and sphere

Please explain how to solve the following: Use the disk method to verify that the volume of a right circular cone is 1/3pir^2h.

  What is the standard deviation of the number of correct ans

A test consists of 810 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers?

  How long would they take to copy the dissertation

The officejet printer can copy Maria's dissertation in 16 min. The laser Jet printer can copy the same document in 12 min. If the two machines work together, how long would they take to copy the dissertation?

  Minimax and decision tree payoff questions

For a given event, if the payoffs for alternatives 1, 2, and 3 (the only alternatives) are 50, 125, and -50 respectively, what is the regret associated with alternative 1?

  Why might the results of this survey be inaccurate

A female student wants to determine whether or not students at the college like the cafeteria's food. This student uses a random number generator to help randomly select students in the cafeteria during lunch hour.

  Distance between a point and a line

Determine the length of pipe that a gas company will need to connect a house which is situated at the point (-6,8) to a gas line whose equation is y=-3x+2.

  Find how much radioactive material remains

Find how much radioactive material remains after 8 hours. Round your answer to the nearest thousandth.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd