Homework

Homework Questions? Ask a Tutor for Answers ASAP

Connect one-on-one with {0} who will answer your question

exponentially is given by the...

The quantity Q of a substance in grams that is decaying exponentially is given by the formula

Q(t)=35(.88)^t

where t is the time in hours

.

How much is left after 5 hours?How fast is the substance decaying after 5 hours?Use these values to estimate the quantity remaining after 7 hours.

Q(t)=35(.88)^t

where t is the time in hours

.

How much is left after 5 hours?How fast is the substance decaying after 5 hours?Use these values to estimate the quantity remaining after 7 hours.

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Homework Questions

The quantity Q(t) of a medication in the bloodstream in

The quantity Q(t) of a medication in the bloodstream in milligrams since the time t in hours it was administered is given by the formula Q(t)=30te^(-.25t). What is the amount in the bloodstream after … read more

If $2,000 is invested at 6% compounded continuously, how

If $2,000 is invested at 6% compounded continuously, how long (rounded to the nearest year) will it take for the investment to grow to $5,500?… read more

Write a program that calculates the remaining balance on a

Write a program that calculates the remaining balance on a loan after the first, second, and third monthly payments … read more

A sample contained 1.00 g of 14C exactly 2,000 years ago. (1)

A sample contained 1.00 g of 14C exactly 2,000 years ago. (1) How much 14C is present today (g)? (2) What is the activity of the 14C present in the sample today (use units of Bq)? You will need to kno… read more

Scintillatium has a halflife of 11 minutes. If a sample has

Scintillatium has a halflife of 11 minutes. If a sample has 800 grams, find a formula for its mass after t minutes. How much is left after 60 minutes? When will there be 50 grams left?… read more

How many mg of Radium-226 will remain after 1000 years?

The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years? Hint: Recall P=P0ekt where P0 is the initial amount of such a substance, P is the amou… read more

A cup of coffee at 195 degrees is poured into a mug and left

1)A cup of coffee at 195 degrees is poured into a mug and left in a room at 72 degrees. After 1 minutes, the coffee is 144 degrees. Assume that the differential equation describing Newton's Law of Coo… read more

The U. S. population growth rate in the decade 1990 - 2000

The U. S. population growth rate in the decade 1990 - 2000 was approximately 1.2%. Source: U. S. Census Bureau. If you use the model for compound interest (Page 6 in the Lecture Notes) with annual com… read more

The atmosphere and oceans, and parts of the atmosphere and

The atmosphere and oceans, and parts of the atmosphere and oceans, are systems that store, among other environmental pollutants. There is some flow of pollutants into the system, there is transition, … read more

An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C

Please show all work :) 1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silve… read more

find the logarithmic formula that gives the pH of a substance.

find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show how to find … read more

RRJha, Please help me with the following problems. Same

RRJha, Please help me with the following problems. Same as always, I will give bonuses based on detail in the response, help with additional questions, and review of my final answer. Thank you! Questi… read more

Part 1 find the logarithmic formula that gives the pH of a ...

Part 1: find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the hydrogen ion content of a substance of your choice. Using this hyd… read more

Deliverable Length 2-3 paragraphs Details Part 1 ...

Deliverable Length: 2-3 paragraphs Details: Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in… read more

Part 1 Suppose that the number of new homes built, H, in a ...

Part 1: Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number o… read more

13.john Forgetsalot deposited 500 dollers at 3% annual ...

13.john Forgetsalot deposited 500 dollers at 3% annual intrest rate in savings acount 50 years ago and then he promptly forgot he had done it. recently, he was cleaning out his home office and found t… read more

When 418 calories of heat are applied to a 180 gram piece ...

When 418 calories of heat are applied to a 180 gram piece of an unknown metal the temperature rises 75 degrees celsius. What is the metal?… read more

Question 1 The amount A in an account after t years from

Question 1: The amount A in an account after t years from an initial principle P invested at an annual rate r compounded continuously is given by A=Pe^rt where r is expressed as a decimal. How many ye… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

LogicPro

Engineer

14,482 satisfied customers

Expert in Python,Java C++ C C# VB Javascript Design SQL HTML

Manal Elkhoshkhany

Tutor

4,720 satisfied customers

More than 5000 online tutoring sessions.

Linda_us

Finance, Accounts & Homework Tutor

3,138 satisfied customers

Post Graduate Diploma in Management (MBA)

Chris M.

M.S.W. Social Work

2,850 satisfied customers

Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)

F. Naz

Chartered Accountant

2,270 satisfied customers

Experience with chartered accountancy

Bizhelp

CPA

1,887 satisfied customers

Bachelors Degree and CPA with Accounting work experience

Jabi

Tutor

1,795 satisfied customers

I've been an Expert on JustAnswer since July 2010.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.