Pre-Calculus

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

Related Pre-Calculus Questions
I would appreciate help with these! Please write clearly and
I would appreciate help with these! Please write clearly and show all work in order to solve, thank you very much.… read more
Math-expert
Teacher at High school level
Doctoral Degree
486 satisfied customers
There are two vectors A and whose magnitudes are A= 7.1 and
There are two vectors A and B whose magnitudes are A= 7.1 and B= 5.5 what is the vector of C? C=A+B Express your answer using three significant figures. Assume positive sign for the positive direction… read more
DebdattaBhattacharya
Doctoral Degree
669 satisfied customers
I'm helping my daughter with her homework. She just
I'm helping my daughter with her homework. She just asked me, what's -6 to the third power. What is the answer and how did you come up with it? Using a calculator, I came up with 216 one time and 264 … read more
Ryan
Engineer
9,218 satisfied customers
Ryan I am Sal. I am trying to figure out the QR question: On
Ryan I am Sal. I am trying to figure out the QR question: On a particular day in April... My data matches exactly to the one here. What I do not have anything like an assigned target value. I just nee… read more
Ryan
Engineer
9,218 satisfied customers
I am working on a problem math class and I think that
I am working on a problem for my math class and I think that I have it figured out but would like to check my answers.… read more
Ryan
Engineer
9,218 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
Engineer
9,218 satisfied customers
1. Simplify the following expression: sin 4x cos 3x + sin 3x
1. Simplify the following expression: sin 4x cos 3x + sin 3x cos 4x 2. Use half-angle formulas to solve the given problem. Find tanx if sin (x/2)=24/26 *x represents the angle sign-looks like a 0 with… read more
Chirag
Master's Degree
10,329 satisfied customers
Calculate the spherical distances between the following
Calculate the spherical distances between the following points.(0,1,0) and (0,-1,0) ii (0,1/ROOT2,1/ROOT2) and (0,-1/2,-ROOT3/2) IV (1,0,0,) and(0,1/root2,1/root2). b. Calculate the area of the spheri… read more
Math-John
30 satisfied customers
For Mijcar Hi I have this paper on volume to do and I also
For Mijcar Hi I have this paper on volume to do and I also have some questions on surface area to do today. I have no idea for this volume stuff as I missed the lesson on it and have to do this tonigh… read more
Mijcar
Consultant
Master's Degree
67 satisfied customers
75+ words Use Internet research to write one paragraph about
75+ words Use Internet research to write one paragraph about Heron of Alexandria. What are three interesting facts about his mathematical work?… read more
Mijcar
Consultant
Master's Degree
67 satisfied customers
** For Greg ** The perimeter of some traffic signs must be
** For Greg ** The perimeter of some traffic signs must be 122 inches. Also, it's length is 15 inches longer than its width. Width of sign?? Length of sign??… read more
Mr. Gregory White
Master's Degree
Master's Degree
167 satisfied customers
The rate of speed of a tsunami in feet per second is given
The rate of speed of a tsunami in feet per second is given by the formula on your answer sheet where d is the water depth in feet. The depth of water in the 2011 Tokoyo tsunami was 168 feet. What rate… read more
Math-John
30 satisfied customers
use a graphing utility to solve the equation. sin x - cos
use a graphing utility to solve the equation. sin x - cos x = x x=? (round two decimal places as needed.)… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1 a) Differentiate each of the following functions, identifying
1 a) Differentiate each of the following functions, identifying any general rules of calculus that you use, and simplify your answers as far as possible F(x) = sec(5x)In(cos(5x)) (-1/10 pie < x <… read more
Math-John
30 satisfied customers
I need some help 18. Factor 72r^2-50 19. Factor v^4-100 20.
I need some help 18. Factor 72r^2-50 19. Factor v^4-100 20. Factor the special product 36w^2-60w+25= 21. Factor 25s^2+70sp+49p^2= 22. Factor the fllowing polynomial completely 64b^2-49d^2= 23. Factor … read more
Ryan
Engineer
9,218 satisfied customers
I have an algebra assignment due tonight by midnight can someone
I have an algebra assignment due tonight by midnight can someone help me please?? There are two things needing done...here is the first... In this discussion, you will solve quadratic equations by two… read more
Osbert12
Master's Degree
2,468 satisfied customers
For Neomat/1161 Essay: Concept CheckIn the space below,
For Neo mat/116 1 Essay: Concept Check In the space below, type a response to the concept check question(s). Your response must be at least 50 words; it must come from the text book but be explained i… read more
JACUSTOMER-yrynbdjl-
Master's Degree
13 satisfied customers
Hello, I am going to need some ongoing assistance with MAT
Hello, I am going to need some ongoing assistance with MAT 116 and I was looking for Scott. Is he available?… read more
Scott
Master's Degree
16,093 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

181 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

1,101 satisfied customers

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

Kofi

PhD in Statistics

772 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