Pre-Calculus

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

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

A pet store currently has...

A pet store currently has a total of 45 cats and dogs. There are 7 more cats than dogs. Find the number of cats and dogs in the store. Write and solve a system of equations that represents the situation.

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 Pre-Calculus Questions

Person 1 just bought 3 pizzas to eat with 2 other friends.

Person 1 just bought 3 pizzas to eat with 2 other friends. Person 1 ate 3/8 of her pizza, Person 2 ate 5/9 of his pizza and Person 3 ate 5/12 of his pizza. In order to determine who ate more pizza, pu… read more

The family and the family each used their sprinklers last

The Cooper family and the Smith family each used their sprinklers last summer. The water output rate for the Cooper family's sprinkler was 15 L per hour. The water output rate for the Smith family's s… read more

1. write using exponents. (-4)(-4) 2.simplify show your work.

1. write using exponents. (-4)(-4) 2.simplify show your work. 5 1/3+(-3 9/18 3.what type of measurement would you use to describe the amount of water a pot can hold? 4. estimate the sum of 9.327+5.72+… read more

1.If a merchant deposits $1,500 annually at the end of each

1.If a merchant deposits $1,500 annually at the end of each tax year in an IRA account paying interest at the rate of 10%/year compounded annually, how much will she have in her account at the end of … read more

Use this template to insert your answers for the assignment.

Use this template to insert your answers for the assignment. Please use one of the four methods for showing your work (EE, Math Type, ALT keys, or neatly typed). Remember that your work should be clea… read more

AFor Ryan, Find the area of the triangle with bsse 2 2/5

AFor Ryan, Find the area of the triangle with bsse 2 2/5 yards and height 5/6 yard. (Hint: the area Of the triangle equals half the product of its base and height. I am in 116math/ pre-algebra.… read more

Directions: Solve the problems below. Make sure to show your

Directions: Solve the problems below. Make sure to show your work when applicable. 1. Simplify the expression. + (32 – 42) 2. Simplify the expression. √625 3. Evaluate the expression for a = –1 and b … read more

1. Solve the absolute value equation. Check your solutions.

1. Solve the absolute value equation. Check your solutions. |5x + 13| = –7 2. Simplify the expression below. 6n2 - 5n2 + 7n2 3. The total cost for 8 bracelets, including shipping was $54. The shipping… read more

(For guru2009 only) 1. 2x-5y=10; for y Y=___ (Use integers

(For guru2009 only) 1. 2x-5y=10; for y Y=___ (Use integers or fractions for any numbers in the expression. Simplify your answer) 2. Retail prices in a department store are obtained by marketing up the… read more

Im not sure who to ask, but I have math problem I need help

I'm not sure who to ask, but I have math problem I need help with. The math question is: IN PRINTING AN ARTICLE OF 48,000 WORDS, A PRINTER DECIDES TO USE TWO SIZES OF TYPE. USING THE LARGER TYPE, A PR… read more

I need help with the following problems, I have done many of

I need help with the following problems, I have done many of these over and over, I just do not know the formulas. I was hoping that I can get an answer, and the steps to solve each of the following q… read more

Suppose that in one week, your company takes in $2,220 in sales

Suppose that in one week, your company takes in $2,220 in sales at one of its cell phone stores. The price breakdown per phone is as follows: Cell phone model A4: $35 Smartphone Z20: $50 Suppose that … read more

Background: Your boss has asked you to come up with a price

Background: Your boss has asked you to come up with a price model for one of the cell phone models that your company produces. In the model, costs and length of service are directly related. You are a… read more

Please help me solve these algebra problems 1. Decide whether

Please help me solve these algebra problems 1. Decide whether or not the ordered pair is a solution of the system a. (4,-5) 3x=-17-y 2x=-23-3y b. (6,1) x+y= -5 x-y= -7 c. (-3,3) x+y=0 x-y=-6 2. Solve … read more

1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2.

1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2. solve the following system by the substitution method x-y=1 x^2-xy-y^2=-1 the solution set is 3.Solve the system by the addition metho… read more

I also need help with the following. 14. The lowest temperatur

I also need help with the following. 14. The lowest temperatur ever recorded in a certain town was -27f. The highest temperature ever recorded there was 136F more than the lowest. What was the highest… read more

solve the system by subtitiution method1.x^2+y^2=148

solve the system by subtitiution method 1.x^2+y^2=148 x-y=10 2.x-y=1 x^2-xy-y^2=-19 3.solve the system by addition method 2x^2-4y^2=-8 5x^2+3y^2=32 4.solve the system x^2+(y+8)^2=81 x^2-9y=153 5.diffe… read more

I need help with 26 questions on my Final Exam for my Math

I need help with 26 questions on my Final Exam for my Math 116 class? I need to score extremely well on this exam, can anyone help? I need these answers by tomorrow before 5:00 p.m. Pacific Standard T… 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

rajeevanpillai

Master's Degree

149 satisfied customers

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

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

13,543 satisfied customers

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

Kofi

PhD in Statistics

765 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.