Pre-Calculus

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

Related Pre-Calculus Questions
The director of research and development is testing a new
The director of research and development is testing a new drug. She wants to know if there is evidence at the 0.01 level that the drug stays in the system for less than 398 minutes. For a sample of 67… read more
Kofi
PhD in Statistics
Ph.D.
888 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
M.Tech.
Master's Degree
6,087 satisfied customers
Carbon-14 has a half life of 5730 years, a fossil human bone
carbon-14 has a half life of 5730 years, a fossil human bone that contains 0.031g of carbon-14 is estimated to have contained 3.9g of carbon-14 when the person was alive, how old is the fossil? you mu… read more
akch2002
M.Tech.
Master's Degree
6,087 satisfied customers
Question 1. t^3/2 = 16. how do I write this in logarithmic
question 1. t^3/2 = 16. how do I write this in logarithmic form?question 2. z^−3t = 2P + 5. How do I write this in logarithmic form?question 3. 10 x = 0.003a. Solve each equation, writing your answer … read more
Kofi
PhD in Statistics
Ph.D.
888 satisfied customers
A) Find the magnitude of an earthquake that has an
(a) Find the magnitude of an earthquake that has an intensity that is 38.25 (that is, the amplitude of the seismograph reading is 38.25 cm). (Round your answer to one decimal place.)(b) An earthquake … read more
Ryan
Bachelor's Degree
4,665 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
Bachelor's Degree
4,665 satisfied customers
An investment of \$4000 is deposited into an account in which
An investment of \$4000 is deposited into an account in which interest is compounded monthly. Complete the table by filling in the amounts to which the investment grows at the indicated interest rates.… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Name: valencia XXXXXXXXX _________ Student Number:
Name: valencia XXXXXXXXX _________ Student Number: XXXXXXXXXXX___________________ 1. Elsie is making a quilt using quilt blocks like the one in the diagram. a. How many lines of symmetry are there? Ty… read more
Ray Atkinson
Bachelor's Degree
1,687 satisfied customers
Question 1 Assume that the weight loss first month
Question 1 Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform dis… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Ryan, I need help with this exponential question: A bowl of
Ryan, I need help with this exponential question: A bowl of soup at 170° F. is placed in a room of constant temperature of 60° F. The temperature T of the soup t minutes after it is placed in the room… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Question 1: (1 point) Evaluate log3127‾‾‾√4without using
Question 1: (1 point) Evaluate log3127‾‾‾√4without using a calculator. If the answer is not an integer, enter it as a fraction in simplest form. log3127‾‾‾√4 = __________ Question 2: (1 point) Evaluat… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1) Describe the transformations on the following graph of f
1) Describe the transformations on the following graph of f (x)  log( x) . State the placement of the vertical asymptote and x-intercept after the transformation. For example, vertical shift up 2 or … read more
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
Bachelor's Degree
4,665 satisfied customers
"For Guru2009 only 1. Using the formula for simple interest
"For Guru2009 only 1. Using the formula for simple interest and the given values, find I. P=\$200; r=6%; t=4 years; I=? I=\$__ 2. Using the formula for simple interest, I=Prt, to find the indicated quan… read more
Chirag
Master's Degree
10,329 satisfied customers
1. One estimate for the ideal body weight is shown below. Use
1. One estimate for the ideal body weight is shown below. Use this information to answer (a). 47 kg + 1.2 kg for each inch over 5 feet (a) Find a linear model for an estimate of the idea weight of a w… read more
Chirag
Master's Degree
10,329 satisfied customers
ASSIGNMENT 7 MA240 College Algebra Directions: Be sure
ASSIGNMENT 7 MA240 College Algebra Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sente… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
NOTE: Can you please show your work on the problems. Thanks 2. \$2,350
NOTE: Can you please show your work on the problems. Thanks 2. \$2,350 is invested in account paying 9% compounded semiannually. How much will the account be worth after 8 years? Show your work. 3. Cha… read more
Scott
Master's Degree
17,212 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
Bachelor's Degree
4,665 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.

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.
...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:

rajeevanpillai

Master's Degree

490 satisfied customers

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

Mr. Gregory White

Master's Degree

167 satisfied customers

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

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

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

Master's Degree

1,250 satisfied customers

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

Kofi

PhD in Statistics

888 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