FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is V = 2rr3

image text in transcribed
image text in transcribed
Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is V = 2rr3 and its suri area is 4mg. Determine the rate at which the surface area is changing with respect to time when r = 40 cm. (Use symbolic notation and fractions where needed.) dA cmzln

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

College Algebra

College Algebra

Authors: Michael Sullivan

9th Edition

0321830725, 9780321830722

More Books

Students also viewed these Mathematics questions

Question

★★★★★
Explain the extended disbursements float. How is it related to a nation's check clearing system? How can companies use it for cash management purposes?

Answered: 1 week ago

Question

★★★★★
An analyst forecasts corporate earnings, and her record is evaluated by comparing actual earnings with predicted earnings. Define the following: actual earnings = predicted earnings + forecast error....

Answered: 1 week ago

Question

★★★★★
In what research projects are your students currently involved?

Answered: 1 week ago

Question

★★★★★
Why was it profitable for General Motors and Ford to integrate backward into component-parts manufacturing in the past, and why are both companies now trying to buy more of their parts from outside?

Answered: 1 week ago

Question

★★★★★
Below is the pre-adjusted trial balance of Brothers Stores for the period ended 30 June 2019: DR CR R R Land and Buildings (Land at cost: R50 000) 550 000 Machinery 220 000 Fixed Deposit (10%) 180...

Answered: 1 week ago

Question

★★★★★
In a survey of 130 people who used food delivery services, it was determined that 74 used Grubhub. 70 used Uber Eats. 41 used both Grubhub and Uber Eats. Of those surveyed, a) How many used only...

Answered: 1 week ago

Question

★★★★★
Keesha Co. borrows $195,000 cash on November 1, 2017, by signing a 120-day, 11% note with a face value of $195,000 1. On what date does this note mature? (Assume that February has 28 days) March 27,...

Answered: 1 week ago

Question

★★★★★
3. Develop a database program that creates a database named cities.db. The cities.db database must have a table named Cities, with the following columns: Column Name Data Type I Attributes City Name...

Answered: 1 week ago

Question

★★★★★
Prior to the Holiday season, Toys-R-Us would increase their on-hand inventory levels. What is the rational for this (see chapter 9)? What are some of the reasons why Toys-R-Us would not purchase more...

Answered: 1 week ago

Question

★★★★★
Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of 275 units from the January 30 purchase, 5 units...

Answered: 1 week ago

Question

★★★★★
On March 1, 2025, Oriole Company purchased land for an office site by paying $2520000 cash. Oriole began construction on the office building on March 1. The following expenditures were incurred for...

Answered: 1 week ago

Question

★★★★★
Icebreaker Company (a U.S.-based company) purchases materials from a foreign supplier on December 1, 2020, with payment of 17,000 dinars to be made on March 1, 2021. The materials are consumed...

Answered: 1 week ago

Question

★★★★★
3. How can rumours about someone contribute to creating the behaviour we expect him / her to have? Use examples from your own everyday life.

Answered: 1 week ago

Question

★★★★★
2. How can the expectations we have of a person contribute to the image we have of him / her? Give some examples from your own everyday life.

Answered: 1 week ago

Question

★★★★★
9. Discuss the statement: If the actors mainly act on the basis of a view of human-ity as driven by self-interest, and incorporate this idea into their models, they may end up with their premises...

Answered: 1 week ago

Previous Question Next Question