Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

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

Related Pre-Calculus Questions
A sample of 800 computer chips revealed that 72% of the
A sample of 800 computer chips revealed that 72% of the chips fail in the first 1000 hours of their use. The company's promotional literature claimed that under 76% fail in the first 1000 hours of the… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
7,016 satisfied customers
The number of bacteria in a certain population increases
The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 3.6% per hour. How many hours does it take for the size of … read more
akch2002
akch2002
Master's Degree
2,971 satisfied customers
I need help with exponential and logarithmic models. I have
I need help with exponential and logarithmic models. I have 2 questions and 1 hour to complete them.Question 1: The doubling time of a bacterial population is 15 minutes. After 110 minutes, the bacter… read more
akch2002
akch2002
Master's Degree
2,971 satisfied customers
A leg starts with a population of 2,000 fish. Each year, the
a leg starts with a population of 2,000 fish. Each year, the population of the fish decreases by 40% due to either fishing or natural causes. The pond is then restocked with a thousand fish. How many … read more
Keith Pelletier
Keith Pelletier
Master's Degree
154 satisfied customers
After knee surgery your trainer tells you to return to your
after knee surgery your trainer tells you to return to your jogging program slowly. He suggests jogging for 12 minutes per day for the first week. He suggests that you increase that time by 6 minutes … read more
Tom Piscaer
Tom Piscaer
Master's Degree
915 satisfied customers
Gerda discovers that the lifetime of light bulbs is normally
Gerda discovers that the lifetime of light bulbs is normally distributed with mean 1000 hours and standard deviation 100 hours.If Gerda buys 50 bulbs, how many of them are expected to last less than 8… read more
akch2002
akch2002
Master's Degree
2,971 satisfied customers
A survey of 30 adults found that the mean age of a persons
A survey of 30 adults found that the mean age of a persons primary vehicle is 5.6 years. Assuming normal distribution and the standard deviation of the population is 0.8 years find the 99% confidence … read more
Kimberley Wright
Kimberley Wright
Masters
130 satisfied customers
Find the solution of the exponential equation, as in
*Find the solution of the exponential equation, as in Example 1. (Enter your answers as a comma-separated list.) 15^3x − 4 = 1/15 x =*A small lake is stocked with a certain species of fish. The fish p… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Select one (1) of the three (3) problems listed here. Start
Select one (1) of the three (3) problems listed here. Start this assignment by solving the problem. 1. Under ideal conditions, a population of rats has an exponential growth rate of 13.6% per day. Con… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
A student club is planning a fundraising car wash. Last year
A student club is planning a fundraising car wash. Last year they charged $10 per vehicle and washed 120 vehicles. They would like to earn more money this year. For every $1 increase in price, they kn… read more
akch2002
akch2002
Master's Degree
2,971 satisfied customers
The next number in the series 2, 5, 11, 20, 32, 47, is: 25
The next number in the series 2, 5, 11, 20, 32, 47, is: 25 56 65 66 74 2. The next number in the series 38, 36, 30, 28, 22, is: 12 14 16 18 20 3. You want to get an oil change every 4,000 miles. How m… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
I have some science questions. The link to the website to answer
I have some science questions. The link to the website to answer the questions in on the sheet. Can you please answer in complete sentences. Thanks. 1) Go to the website and download the simulation. h… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Hi Ryan, I need help with this problem - You deposit $1K
Hi Ryan, I need help with this problem - You deposit $1K in a saving account at a bank that has a rate of 4%. Find the amount "A" of money in the account after 5 years subject to compound interest and… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Are you able to help me this homework. I have about 9 questions
Are you able to help me this homework. I have about 9 questions if can be possibly answered. If not thanks anyway. 1. Elizabeth made $7.15 per hour working at JaboWorld. If she worked 21.9 hours in a … read more
Math-John
Math-John
30 satisfied customers
I need your help in this 5 questions please. Q1) Find an
I need your help in this 5 questions please. Q1) Find an approximate of Log[3] 40 to the three decimal points. Q2) Solve 5^(2x+1) = 30 . Give the answer to the nearest thousandth. Q3) The bacteria in … read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Q1: Find the variation constant and an equation of variation
Q1: Find the variation constant and an equation of variation where y varies directly as x and y = 56 when x = 7. The variation constant is k = ? The equation of variation is y = ? Q2: Convert to a dec… read more
ck_mba
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
Please justify your answers to the following questions 2. Biologists
Please justify your answers to the following questions 2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $2,750 f… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
Master's Degree
960 satisfied customers
I am working on math homework and can not figure this out.
I am working on math homework and can not figure this out. Once I have the equation or expression I can work it, but putting the information together from a word problem is not my strong suit. There a… read more
Eric M.
Eric M.
PhD Candidate
Master's Degree
1,258 satisfied customers
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.

JustAnswer in the News:

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.
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.

What Customers are Saying:

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

Mary C.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!!!!

AlexLos 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.

GPHesperia, CA

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

JustinKernersville, 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.

EstherWoodstock, 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.

RobinElkton, 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.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Mr. Gregory White

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

rajeevanpillai

rajeevanpillai

Master's Degree

69 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

mhasan420

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Sandhya_sharma

Master's Degree

960 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

Kofi

PhD in Statistics

7,016 satisfied customers

Masters in Mathematics and Statistics

< 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.

Show MoreShow Less

Ask Your Question

x