Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,216)
GEOMETRY (864)
ALGEBRA 2 (2,745)
TRIGONOMETRY (1,186)
PRECALCULUS (1,903)
CALCULUS (2,791)
STATISTICS (129)
PHYSICS (658)
CHEMISTRY (136)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration substitution-method limits calculus

13,435 questions

17,804 answers

1,438 comments

777,686 users

What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2?

0 votes

finding the average

averages
arithmetic-mean

asked Nov 27, 2013 in ALGEBRA 1 by linda Scholar

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

Average = sum of observations /number of observations

Arithemeti mean of 4x+5,7x-6, -8x+2

[(4x+5)+(7x-6)+(-8x+2)]/3

= (4x+5+7x-6-8x+2)/3

= (3x+1)/3

= 3x/3+1/3

= x+1/3

answered Nov 27, 2013 by william Mentor

Please log in or register to add a comment.

Related questions

What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2, and 2? as a fraction

asked Nov 27, 2013 in PRE-ALGEBRA by angel12 Scholar

arithmetic-mean

what is the average (arithmetic mean)

asked Jul 20, 2013 in ALGEBRA 1 by futai Scholar

arithmetic-mean

what is the average of 4.9, 0.5, 3.1, 7.7, and 9.3?

asked Nov 27, 2013 in ALGEBRA 1 by chrisgirl Apprentice

averages

What is the arithmetic mean of 18, 12, 14, 26, 5?

asked Jun 17, 2014 in ALGEBRA 2 by anonymous

arithmetic-mean
geometric-mean

What is the average of 28 33 29 32 25 34 28

asked Nov 27, 2013 in ALGEBRA 1 by skylar Apprentice

averages

Calculate the arithmetic mean of

asked Jun 15, 2013 in ALGEBRA 2 by linda Scholar

arithmetic-mean

Arithmatic mean

asked Nov 22, 2013 in ALGEBRA 1 by johnkelly Apprentice

arithmetic-mean

geometric mean

asked Nov 2, 2013 in GEOMETRY by mathgirl Apprentice

geometric-mean
arithmetic-mean
geometry

What is the greatest common factor of 35x^6 and 7x^2?

asked Feb 20, 2015 in ALGEBRA 2 by anonymous

greatest-common-factor

what is standard form of the ellipse equation: 4X^2 + 8X + 9Y^2 -54Y + 49 = 0

asked Dec 6, 2013 in ALGEBRA 2 by linda Scholar

standard-form-of-an-ellipse-equation

what is the average value of f(x)=(x-3)^2 on the intergral [2,5]

asked Mar 5, 2014 in ALGEBRA 2 by payton Apprentice

average-rate-of-change
integral

Choose the graph which matches the following system of equations. 8x + 5y = –5 7x – 3y = 3

asked Mar 30, 2013 in ALGEBRA 1 by anonymous Apprentice

graph
slope

What is the slope and Y-intercept for 7x + 8y − 5 = 0?

asked Feb 24, 2014 in ALGEBRA 1 by linda Scholar

y-intercept
slope
slope-intercept-form

On what interval/s is the following function increasing? f(x)=4x^3-5x^2-7x?

asked Feb 9, 2015 in CALCULUS by anonymous

increasing-decreasing

finding numbers withe the mean is 6 mode is 4 and median is 5

asked Mar 3, 2014 in GEOMETRY by angel12 Scholar

mean-median-modes-of-numbers

Classify the system of equations and identify the number of solutions 3 = 4x + y 2y = 6 − 8x

asked Oct 18, 2018 in ALGEBRA 2 by anonymous

system-of-equations

What is the median,mode,range,and outliers of the following data 7,7,12,10,5,10,9,7,9,6,10,5,8,7,8 ?

asked Feb 28, 2014 in ALGEBRA 1 by abstain12 Apprentice

mean-median-modes-of-numbers
range

what is the slope of (5,3) and (6,9)

asked Feb 21, 2014 in ALGEBRA 1 by abstain12 Apprentice

slope-of-a-line-through-2points
slope-of-a-line

x^5+2x^4-3x^3-8x^2-4x

asked Feb 18, 2014 in ALGEBRA 1 by andrew Scholar

polynomial-function
factoring-polynomials

given the function f(x)= 2x^3+5. find the average rate of change between x=-3 and x= 6.

asked Nov 23, 2013 in CALCULUS by payton Apprentice

average-rate-of-change

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...