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

The elongation E of a spring balance varies directly with

The elongation E of a spring balance varies directly with the applied weight. If E=5 when W=26, find E when W=21.… read more

In a certain distribution the mean is 40 with a standard

In a certain distribution the mean is 40 with a standard deviation of 2. At least what fraction of the numbers are between 34 and 46?… read more

Use division to divide. (Simplify your answer completely.)

Use long division to divide. (Simplify your answer completely.) (3x2 + 13x + 14) ÷ (x + 2) , x ≠ −2… read more

For the function below find the vertex axis of symmetry maximum

For the function below find the vertex axis of symmetry maximum or minimum value and graph the function ￼ the vertex is _______ (ordered pair) The axis of symmetry is x=______ Does it have a maximum o… read more

1. complete the equation, to the right of the equal sign,

1. complete the equation, to the right of the equal sign, to illustrate the commutative property of multiplication. d.z= 2. Use the commutative property of addition to write an equivalent algebraic ex… read more

Use the properties of real numbers to simplify the following

Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w – 3 + 3(w – 4) – 5(w – 6) 0.05(0.3m + 35n) – 0.8(-0.09n – 22m) Write a two to three page paper that is… read more

1) Simplify. 125 – 2^2 x 5 / (13 x 3 – 7 x 5) 2) Simplify.

1) Simplify. 125 – 2^2 x 5 / (13 x 3 – 7 x 5) 2) Simplify. (13 + 2)^2 – (7-6)^2 3) Simplify. (77 – 17) x [(10 + 12 / 2) – (3 x 3 – 2 x 2)] 4) Simplify the expression by collecting like terms. 7x – 19 … read more

Simplify. State all restrictions on the variables 1) 20m

Simplify. State all restrictions on the variables 1) 20m 2power +9m+1, over 5m 2power - 26m+5 Multiplied by 10m 2power -2m, over 1-16m 2power Simplify. assume all variables result in nonzero denominat… read more

1) √4x-5=1 ___A The solution is x=____ (Simplify your answer.

1) √4x-5=1 ___A The solution is x=____ (Simplify your answer. Type an integer or a fraction) ___B There is no solution 2) √5x + 2=13 ___A The solution is x=____ (Simplify your answer. Type an integer … read more

Hey Ryan! math 117 week 5 discussion questions. #1 In your

Hey Ryan! math 117 week 5 discussion questions. #1 In your own words, explain the first condition that must be met for a simplified radical. Explain why 5/ sq rt 2 is not simplified and demonstrate th… read more

The smaller of two similar rectangles has dimensions 4 and

The smaller of two similar rectangles has dimensions 4 and 6. Find the dimensions of the larger rectangle if the ratio of the perimeters is 2 to 3. shorter side x = , longer side y = . The perimeters … read more

#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3)

#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3) divide and simplify #7 (5-x)/(7-x)=2/(x-7) solve #8 [ 2/(4+z)]+[5/(4+z)] add #9 3/(z+7)=2/(z-2) solve #10 [(-44+11y)/2]/[(49… read more

#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3)

#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3) divide and simplify #7 (5-x)/(7-x)=2/(x-7) solve #8 [ 2/(4+z)]+[5/(4+z)] add #9 3/(z+7)=2/(z-2) solve #10 [(-44+11y)/2]/[(49… read more

I will tip as usual, more based on the number of problems:

I will tip as usual, more based on the number of problems: Multiply: (9y-7)(81y^2 + 63y + 49) (x+3)(x-5) (3a^2b^4)(4a^2b^2) -12(6x + 2) (7p -1)(49p^2 + 7p +1) (x+3)(x-3) 7ax^5(4ax^4 + 6x^2 +7) (x-3)(9… read more

Did I add/subract these rational expressions correctly? 33)

Did I add/subract these rational expressions correctly? 33) Add & Simplify if possible x+3/x-5+x-5/x+3 Multiply terms by factor of 1 x+3/x-5*x+3/x+3+x-5/x+3*x-5/x-5 Multiply the expression by 1 to get… read more

3. Find the slope if it exits, of the line containing the pair

3. Find the slope if it exits, of the line containing the pair of points (9,8) and (-1,8) 6. Give the slope of each line and then determine whether the two lines are parallel, perpendicular, or neithe… read more

1). factor the perfact square trionial completely. 36y^

1). factor the perfact square trionial completely. 36y^ + 84y + 49 = 2). Factor the polynomial if it is a perfact square trinomial, or state tha the polynomial is prime x^ + 10xy + 25y ^= 3). factor t… read more

Hello Scott, Why is it important to simplify radical expressions

Hello Scott, Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide … 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 >

Mr. Gregory White

Master's Degree

167 satisfied customers

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

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

judybailey61

Bachelors Degree

11 satisfied customers

20 years teaching and tutoring experience.

Ashleigh T

Educator

1,942 satisfied customers

Highly-Qualified Educator

Scott

MIT Graduate

1,818 satisfied customers

Over 13,000 accepts & 100% feedback in the old math category

Kofi

PhD in Statistics

17,344 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.